//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2009 Aaron Newton <http://clientcide.com/>, Valerio Proietti <http://mad4milk.net> & the MooTools team <http://mootools.net/developers>, MIT Style License.

/*
---

script: More.js

description: MooTools More

license: MIT-style license

authors:
- Guillermo Rauch
- Thomas Aylott
- Scott Kyle

requires:
- core:1.2.4/MooTools

provides: [MooTools.More]

...
*/

MooTools.More = {
	'version': '1.2.4.4'
};

/*
---

script: MooTools.Lang.js

description: Provides methods for localization.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Events
- /MooTools.More

provides: [MooTools.Lang]

...
*/

(function(){

	var data = {
		language: 'en-US',
		languages: {
			'en-US': {}
		},
		cascades: ['en-US']
	};
	
	var cascaded;

	MooTools.lang = new Events();

	$extend(MooTools.lang, {

		setLanguage: function(lang){
			if (!data.languages[lang]) return this;
			data.language = lang;
			this.load();
			this.fireEvent('langChange', lang);
			return this;
		},

		load: function() {
			var langs = this.cascade(this.getCurrentLanguage());
			cascaded = {};
			$each(langs, function(set, setName){
				cascaded[setName] = this.lambda(set);
			}, this);
		},

		getCurrentLanguage: function(){
			return data.language;
		},

		addLanguage: function(lang){
			data.languages[lang] = data.languages[lang] || {};
			return this;
		},

		cascade: function(lang){
			var cascades = (data.languages[lang] || {}).cascades || [];
			cascades.combine(data.cascades);
			cascades.erase(lang).push(lang);
			var langs = cascades.map(function(lng){
				return data.languages[lng];
			}, this);
			return $merge.apply(this, langs);
		},

		lambda: function(set) {
			(set || {}).get = function(key, args){
				return $lambda(set[key]).apply(this, $splat(args));
			};
			return set;
		},

		get: function(set, key, args){
			if (cascaded && cascaded[set]) return (key ? cascaded[set].get(key, args) : cascaded[set]);
		},

		set: function(lang, set, members){
			this.addLanguage(lang);
			langData = data.languages[lang];
			if (!langData[set]) langData[set] = {};
			$extend(langData[set], members);
			if (lang == this.getCurrentLanguage()){
				this.load();
				this.fireEvent('langChange', lang);
			}
			return this;
		},

		list: function(){
			return Hash.getKeys(data.languages);
		}

	});

})();

/*
---

script: Log.js

description: Provides basic logging functionality for plugins to implement.

license: MIT-style license

authors:
- Guillermo Rauch
- Thomas Aylott
- Scott Kyle

requires:
- core:1.2.4/Class
- /MooTools.More

provides: [Log]

...
*/

(function(){

var global = this;

var log = function(){
	if (global.console && console.log){
		try {
			console.log.apply(console, arguments);
		} catch(e) {
			console.log(Array.slice(arguments));
		}
	} else {
		Log.logged.push(arguments);
	}
	return this;
};

var disabled = function(){
	this.logged.push(arguments);
	return this;
};

this.Log = new Class({
	
	logged: [],
	
	log: disabled,
	
	resetLog: function(){
		this.logged.empty();
		return this;
	},

	enableLog: function(){
		this.log = log;
		this.logged.each(function(args){
			this.log.apply(this, args);
		}, this);
		return this.resetLog();
	},

	disableLog: function(){
		this.log = disabled;
		return this;
	}
	
});

Log.extend(new Log).enableLog();

// legacy
Log.logger = function(){
	return this.log.apply(this, arguments);
};

})();

/*
---

script: Class.Refactor.js

description: Extends a class onto itself with new property, preserving any items attached to the class's namespace.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Class
- /MooTools.More

provides: [Class.refactor]

...
*/

Class.refactor = function(original, refactors){

	$each(refactors, function(item, name){
		var origin = original.prototype[name];
		if (origin && (origin = origin._origin) && typeof item == 'function') original.implement(name, function(){
			var old = this.previous;
			this.previous = origin;
			var value = item.apply(this, arguments);
			this.previous = old;
			return value;
		}); else original.implement(name, item);
	});

	return original;

};

/*
---

script: Class.Binds.js

description: Automagically binds specified methods in a class to the instance of the class.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Class
- /MooTools.More

provides: [Class.Binds]

...
*/

Class.Mutators.Binds = function(binds){
    return binds;
};

Class.Mutators.initialize = function(initialize){
	return function(){
		$splat(this.Binds).each(function(name){
			var original = this[name];
			if (original) this[name] = original.bind(this);
		}, this);
		return initialize.apply(this, arguments);
	};
};


/*
---

script: Class.Occlude.js

description: Prevents a class from being applied to a DOM element twice.

license: MIT-style license.

authors:
- Aaron Newton

requires: 
- core/1.2.4/Class
- core:1.2.4/Element
- /MooTools.More

provides: [Class.Occlude]

...
*/

Class.Occlude = new Class({

	occlude: function(property, element){
		element = document.id(element || this.element);
		var instance = element.retrieve(property || this.property);
		if (instance && !$defined(this.occluded))
			return this.occluded = instance;

		this.occluded = false;
		element.store(property || this.property, this);
		return this.occluded;
	}

});

/*
---

script: Chain.Wait.js

description: value, Adds a method to inject pauses between chained events.

license: MIT-style license.

authors:
- Aaron Newton

requires: 
- core:1.2.4/Chain 
- core:1.2.4/Element
- core:1.2.4/Fx
- /MooTools.More

provides: [Chain.Wait]

...
*/

(function(){

	var wait = {
		wait: function(duration){
			return this.chain(function(){
				this.callChain.delay($pick(duration, 500), this);
			}.bind(this));
		}
	};

	Chain.implement(wait);

	if (window.Fx){
		Fx.implement(wait);
		['Css', 'Tween', 'Elements'].each(function(cls){
			if (Fx[cls]) Fx[cls].implement(wait);
		});
	}

	Element.implement({
		chains: function(effects){
			$splat($pick(effects, ['tween', 'morph', 'reveal'])).each(function(effect){
				effect = this.get(effect);
				if (!effect) return;
				effect.setOptions({
					link:'chain'
				});
			}, this);
			return this;
		},
		pauseFx: function(duration, effect){
			this.chains(effect).get($pick(effect, 'tween')).wait(duration);
			return this;
		}
	});

})();

/*
---

script: Array.Extras.js

description: Extends the Array native object to include useful methods to work with arrays.

license: MIT-style license

authors:
- Christoph Pojer

requires:
- core:1.2.4/Array

provides: [Array.Extras]

...
*/
Array.implement({

	min: function(){
		return Math.min.apply(null, this);
	},

	max: function(){
		return Math.max.apply(null, this);
	},

	average: function(){
		return this.length ? this.sum() / this.length : 0;
	},

	sum: function(){
		var result = 0, l = this.length;
		if (l){
			do {
				result += this[--l];
			} while (l);
		}
		return result;
	},

	unique: function(){
		return [].combine(this);
	},

	shuffle: function(){
		for (var i = this.length; i && --i;){
			var temp = this[i], r = Math.floor(Math.random() * ( i + 1 ));
			this[i] = this[r];
			this[r] = temp;
		}
		return this;
	}

});

/*
---

script: Date.js

description: Extends the Date native object to include methods useful in managing dates.

license: MIT-style license

authors:
- Aaron Newton
- Nicholas Barthelemy - https://svn.nbarthelemy.com/date-js/
- Harald Kirshner - mail [at] digitarald.de; http://digitarald.de
- Scott Kyle - scott [at] appden.com; http://appden.com

requires:
- core:1.2.4/Array
- core:1.2.4/String
- core:1.2.4/Number
- core:1.2.4/Lang
- core:1.2.4/Date.English.US
- /MooTools.More

provides: [Date]

...
*/

(function(){

var Date = this.Date;

if (!Date.now) Date.now = $time;

Date.Methods = {
	ms: 'Milliseconds',
	year: 'FullYear',
	min: 'Minutes',
	mo: 'Month',
	sec: 'Seconds',
	hr: 'Hours'
};

['Date', 'Day', 'FullYear', 'Hours', 'Milliseconds', 'Minutes', 'Month', 'Seconds', 'Time', 'TimezoneOffset',
	'Week', 'Timezone', 'GMTOffset', 'DayOfYear', 'LastMonth', 'LastDayOfMonth', 'UTCDate', 'UTCDay', 'UTCFullYear',
	'AMPM', 'Ordinal', 'UTCHours', 'UTCMilliseconds', 'UTCMinutes', 'UTCMonth', 'UTCSeconds'].each(function(method){
	Date.Methods[method.toLowerCase()] = method;
});

var pad = function(what, length){
	return new Array(length - String(what).length + 1).join('0') + what;
};

Date.implement({

	set: function(prop, value){
		switch ($type(prop)){
			case 'object':
				for (var p in prop) this.set(p, prop[p]);
				break;
			case 'string':
				prop = prop.toLowerCase();
				var m = Date.Methods;
				if (m[prop]) this['set' + m[prop]](value);
		}
		return this;
	},

	get: function(prop){
		prop = prop.toLowerCase();
		var m = Date.Methods;
		if (m[prop]) return this['get' + m[prop]]();
		return null;
	},

	clone: function(){
		return new Date(this.get('time'));
	},

	increment: function(interval, times){
		interval = interval || 'day';
		times = $pick(times, 1);

		switch (interval){
			case 'year':
				return this.increment('month', times * 12);
			case 'month':
				var d = this.get('date');
				this.set('date', 1).set('mo', this.get('mo') + times);
				return this.set('date', d.min(this.get('lastdayofmonth')));
			case 'week':
				return this.increment('day', times * 7);
			case 'day':
				return this.set('date', this.get('date') + times);
		}

		if (!Date.units[interval]) throw new Error(interval + ' is not a supported interval');

		return this.set('time', this.get('time') + times * Date.units[interval]());
	},

	decrement: function(interval, times){
		return this.increment(interval, -1 * $pick(times, 1));
	},

	isLeapYear: function(){
		return Date.isLeapYear(this.get('year'));
	},

	clearTime: function(){
		return this.set({hr: 0, min: 0, sec: 0, ms: 0});
	},

	diff: function(date, resolution){
		if ($type(date) == 'string') date = Date.parse(date);
		
		return ((date - this) / Date.units[resolution || 'day'](3, 3)).toInt(); // non-leap year, 30-day month
	},

	getLastDayOfMonth: function(){
		return Date.daysInMonth(this.get('mo'), this.get('year'));
	},

	getDayOfYear: function(){
		return (Date.UTC(this.get('year'), this.get('mo'), this.get('date') + 1) 
			- Date.UTC(this.get('year'), 0, 1)) / Date.units.day();
	},

	getWeek: function(){
		return (this.get('dayofyear') / 7).ceil();
	},
	
	getOrdinal: function(day){
		return Date.getMsg('ordinal', day || this.get('date'));
	},

	getTimezone: function(){
		return this.toString()
			.replace(/^.*? ([A-Z]{3}).[0-9]{4}.*$/, '$1')
			.replace(/^.*?\(([A-Z])[a-z]+ ([A-Z])[a-z]+ ([A-Z])[a-z]+\)$/, '$1$2$3');
	},

	getGMTOffset: function(){
		var off = this.get('timezoneOffset');
		return ((off > 0) ? '-' : '+') + pad((off.abs() / 60).floor(), 2) + pad(off % 60, 2);
	},

	setAMPM: function(ampm){
		ampm = ampm.toUpperCase();
		var hr = this.get('hr');
		if (hr > 11 && ampm == 'AM') return this.decrement('hour', 12);
		else if (hr < 12 && ampm == 'PM') return this.increment('hour', 12);
		return this;
	},

	getAMPM: function(){
		return (this.get('hr') < 12) ? 'AM' : 'PM';
	},

	parse: function(str){
		this.set('time', Date.parse(str));
		return this;
	},

	isValid: function(date) {
		return !!(date || this).valueOf();
	},

	format: function(f){
		if (!this.isValid()) return 'invalid date';
		f = f || '%x %X';
		f = formats[f.toLowerCase()] || f; // replace short-hand with actual format
		var d = this;
		return f.replace(/%([a-z%])/gi,
			function($0, $1){
				switch ($1){
					case 'a': return Date.getMsg('days')[d.get('day')].substr(0, 3);
					case 'A': return Date.getMsg('days')[d.get('day')];
					case 'b': return Date.getMsg('months')[d.get('month')].substr(0, 3);
					case 'B': return Date.getMsg('months')[d.get('month')];
					case 'c': return d.toString();
					case 'd': return pad(d.get('date'), 2);
					case 'H': return pad(d.get('hr'), 2);
					case 'I': return ((d.get('hr') % 12) || 12);
					case 'j': return pad(d.get('dayofyear'), 3);
					case 'm': return pad((d.get('mo') + 1), 2);
					case 'M': return pad(d.get('min'), 2);
					case 'o': return d.get('ordinal');
					case 'p': return Date.getMsg(d.get('ampm'));
					case 'S': return pad(d.get('seconds'), 2);
					case 'U': return pad(d.get('week'), 2);
					case 'w': return d.get('day');
					case 'x': return d.format(Date.getMsg('shortDate'));
					case 'X': return d.format(Date.getMsg('shortTime'));
					case 'y': return d.get('year').toString().substr(2);
					case 'Y': return d.get('year');
					case 'T': return d.get('GMTOffset');
					case 'Z': return d.get('Timezone');
				}
				return $1;
			}
		);
	},

	toISOString: function(){
		return this.format('iso8601');
	}

});

Date.alias('toISOString', 'toJSON');
Date.alias('diff', 'compare');
Date.alias('format', 'strftime');

var formats = {
	db: '%Y-%m-%d %H:%M:%S',
	compact: '%Y%m%dT%H%M%S',
	iso8601: '%Y-%m-%dT%H:%M:%S%T',
	rfc822: '%a, %d %b %Y %H:%M:%S %Z',
	'short': '%d %b %H:%M',
	'long': '%B %d, %Y %H:%M'
};

var parsePatterns = [];
var nativeParse = Date.parse;

var parseWord = function(type, word, num){
	var ret = -1;
	var translated = Date.getMsg(type + 's');

	switch ($type(word)){
		case 'object':
			ret = translated[word.get(type)];
			break;
		case 'number':
			ret = translated[month - 1];
			if (!ret) throw new Error('Invalid ' + type + ' index: ' + index);
			break;
		case 'string':
			var match = translated.filter(function(name){
				return this.test(name);
			}, new RegExp('^' + word, 'i'));
			if (!match.length)    throw new Error('Invalid ' + type + ' string');
			if (match.length > 1) throw new Error('Ambiguous ' + type);
			ret = match[0];
	}

	return (num) ? translated.indexOf(ret) : ret;
};

Date.extend({

	getMsg: function(key, args) {
		return MooTools.lang.get('Date', key, args);
	},

	units: {
		ms: $lambda(1),
		second: $lambda(1000),
		minute: $lambda(60000),
		hour: $lambda(3600000),
		day: $lambda(86400000),
		week: $lambda(608400000),
		month: function(month, year){
			var d = new Date;
			return Date.daysInMonth($pick(month, d.get('mo')), $pick(year, d.get('year'))) * 86400000;
		},
		year: function(year){
			year = year || new Date().get('year');
			return Date.isLeapYear(year) ? 31622400000 : 31536000000;
		}
	},

	daysInMonth: function(month, year){
		return [31, Date.isLeapYear(year) ? 29 : 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month];
	},

	isLeapYear: function(year){
		return ((year % 4 === 0) && (year % 100 !== 0)) || (year % 400 === 0);
	},

	parse: function(from){
		var t = $type(from);
		if (t == 'number') return new Date(from);
		if (t != 'string') return from;
		from = from.clean();
		if (!from.length) return null;

		var parsed;
		parsePatterns.some(function(pattern){
			var bits = pattern.re.exec(from);
			return (bits) ? (parsed = pattern.handler(bits)) : false;
		});

		return parsed || new Date(nativeParse(from));
	},

	parseDay: function(day, num){
		return parseWord('day', day, num);
	},

	parseMonth: function(month, num){
		return parseWord('month', month, num);
	},

	parseUTC: function(value){
		var localDate = new Date(value);
		var utcSeconds = Date.UTC(
			localDate.get('year'),
			localDate.get('mo'),
			localDate.get('date'),
			localDate.get('hr'),
			localDate.get('min'),
			localDate.get('sec')
		);
		return new Date(utcSeconds);
	},

	orderIndex: function(unit){
		return Date.getMsg('dateOrder').indexOf(unit) + 1;
	},

	defineFormat: function(name, format){
		formats[name] = format;
	},

	defineFormats: function(formats){
		for (var name in formats) Date.defineFormat(name, formats[name]);
	},

	parsePatterns: parsePatterns, // this is deprecated
	
	defineParser: function(pattern){
		parsePatterns.push((pattern.re && pattern.handler) ? pattern : build(pattern));
	},
	
	defineParsers: function(){
		Array.flatten(arguments).each(Date.defineParser);
	},
	
	define2DigitYearStart: function(year){
		startYear = year % 100;
		startCentury = year - startYear;
	}

});

var startCentury = 1900;
var startYear = 70;

var regexOf = function(type){
	return new RegExp('(?:' + Date.getMsg(type).map(function(name){
		return name.substr(0, 3);
	}).join('|') + ')[a-z]*');
};

var replacers = function(key){
	switch(key){
		case 'x': // iso8601 covers yyyy-mm-dd, so just check if month is first
			return ((Date.orderIndex('month') == 1) ? '%m[.-/]%d' : '%d[.-/]%m') + '([.-/]%y)?';
		case 'X':
			return '%H([.:]%M)?([.:]%S([.:]%s)?)? ?%p? ?%T?';
	}
	return null;
};

var keys = {
	d: /[0-2]?[0-9]|3[01]/,
	H: /[01]?[0-9]|2[0-3]/,
	I: /0?[1-9]|1[0-2]/,
	M: /[0-5]?\d/,
	s: /\d+/,
	o: /[a-z]*/,
	p: /[ap]\.?m\.?/,
	y: /\d{2}|\d{4}/,
	Y: /\d{4}/,
	T: /Z|[+-]\d{2}(?::?\d{2})?/
};

keys.m = keys.I;
keys.S = keys.M;

var currentLanguage;

var recompile = function(language){
	currentLanguage = language;
	
	keys.a = keys.A = regexOf('days');
	keys.b = keys.B = regexOf('months');
	
	parsePatterns.each(function(pattern, i){
		if (pattern.format) parsePatterns[i] = build(pattern.format);
	});
};

var build = function(format){
	if (!currentLanguage) return {format: format};
	
	var parsed = [];
	var re = (format.source || format) // allow format to be regex
	 .replace(/%([a-z])/gi,
		function($0, $1){
			return replacers($1) || $0;
		}
	).replace(/\((?!\?)/g, '(?:') // make all groups non-capturing
	 .replace(/ (?!\?|\*)/g, ',? ') // be forgiving with spaces and commas
	 .replace(/%([a-z%])/gi,
		function($0, $1){
			var p = keys[$1];
			if (!p) return $1;
			parsed.push($1);
			return '(' + p.source + ')';
		}
	).replace(/\[a-z\]/gi, '[a-z\\u00c0-\\uffff]'); // handle unicode words

	return {
		format: format,
		re: new RegExp('^' + re + '$', 'i'),
		handler: function(bits){
			bits = bits.slice(1).associate(parsed);
			var date = new Date().clearTime();
			if ('d' in bits) handle.call(date, 'd', 1);
			if ('m' in bits || 'b' in bits || 'B' in bits) handle.call(date, 'm', 1);
			for (var key in bits) handle.call(date, key, bits[key]);
			return date;
		}
	};
};

var handle = function(key, value){
	if (!value) return this;

	switch(key){
		case 'a': case 'A': return this.set('day', Date.parseDay(value, true));
		case 'b': case 'B': return this.set('mo', Date.parseMonth(value, true));
		case 'd': return this.set('date', value);
		case 'H': case 'I': return this.set('hr', value);
		case 'm': return this.set('mo', value - 1);
		case 'M': return this.set('min', value);
		case 'p': return this.set('ampm', value.replace(/\./g, ''));
		case 'S': return this.set('sec', value);
		case 's': return this.set('ms', ('0.' + value) * 1000);
		case 'w': return this.set('day', value);
		case 'Y': return this.set('year', value);
		case 'y':
			value = +value;
			if (value < 100) value += startCentury + (value < startYear ? 100 : 0);
			return this.set('year', value);
		case 'T':
			if (value == 'Z') value = '+00';
			var offset = value.match(/([+-])(\d{2}):?(\d{2})?/);
			offset = (offset[1] + '1') * (offset[2] * 60 + (+offset[3] || 0)) + this.getTimezoneOffset();
			return this.set('time', this - offset * 60000);
	}

	return this;
};

Date.defineParsers(
	'%Y([-./]%m([-./]%d((T| )%X)?)?)?', // "1999-12-31", "1999-12-31 11:59pm", "1999-12-31 23:59:59", ISO8601
	'%Y%m%d(T%H(%M%S?)?)?', // "19991231", "19991231T1159", compact
	'%x( %X)?', // "12/31", "12.31.99", "12-31-1999", "12/31/2008 11:59 PM"
	'%d%o( %b( %Y)?)?( %X)?', // "31st", "31st December", "31 Dec 1999", "31 Dec 1999 11:59pm"
	'%b( %d%o)?( %Y)?( %X)?', // Same as above with month and day switched
	'%Y %b( %d%o( %X)?)?', // Same as above with year coming first
	'%o %b %d %X %T %Y' // "Thu Oct 22 08:11:23 +0000 2009"
);

MooTools.lang.addEvent('langChange', function(language){
	if (MooTools.lang.get('Date')) recompile(language);
}).fireEvent('langChange', MooTools.lang.getCurrentLanguage());

})();

/*
---

script: Date.Extras.js

description: Extends the Date native object to include extra methods (on top of those in Date.js).

license: MIT-style license

authors:
- Aaron Newton
- Scott Kyle

requires:
- /Date

provides: [Date.Extras]

...
*/

Date.implement({

	timeDiffInWords: function(relative_to){
		return Date.distanceOfTimeInWords(this, relative_to || new Date);
	},

	timeDiff: function(to, joiner){
		if (to == null) to = new Date;
		var delta = ((to - this) / 1000).toInt();
		if (!delta) return '0s';
		
		var durations = {s: 60, m: 60, h: 24, d: 365, y: 0};
		var duration, vals = [];
		
		for (var step in durations){
			if (!delta) break;
			if ((duration = durations[step])){
				vals.unshift((delta % duration) + step);
				delta = (delta / duration).toInt();
			} else {
				vals.unshift(delta + step);
			}
		}
		
		return vals.join(joiner || ':');
	}

});

Date.alias('timeDiffInWords', 'timeAgoInWords');

Date.extend({

	distanceOfTimeInWords: function(from, to){
		return Date.getTimePhrase(((to - from) / 1000).toInt());
	},

	getTimePhrase: function(delta){
		var suffix = (delta < 0) ? 'Until' : 'Ago';
		if (delta < 0) delta *= -1;
		
		var units = {
			minute: 60,
			hour: 60,
			day: 24,
			week: 7,
			month: 52 / 12,
			year: 12,
			eon: Infinity
		};
		
		var msg = 'lessThanMinute';
		
		for (var unit in units){
			var interval = units[unit];
			if (delta < 1.5 * interval){
				if (delta > 0.75 * interval) msg = unit;
				break;
			}
			delta /= interval;
			msg = unit + 's';
		}
		
		return Date.getMsg(msg + suffix).substitute({delta: delta.round()});
	}

});


Date.defineParsers(

	{
		// "today", "tomorrow", "yesterday"
		re: /^(?:tod|tom|yes)/i,
		handler: function(bits){
			var d = new Date().clearTime();
			switch(bits[0]){
				case 'tom': return d.increment();
				case 'yes': return d.decrement();
				default: 	return d;
			}
		}
	},

	{
		// "next Wednesday", "last Thursday"
		re: /^(next|last) ([a-z]+)$/i,
		handler: function(bits){
			var d = new Date().clearTime();
			var day = d.getDay();
			var newDay = Date.parseDay(bits[2], true);
			var addDays = newDay - day;
			if (newDay <= day) addDays += 7;
			if (bits[1] == 'last') addDays -= 7;
			return d.set('date', d.getDate() + addDays);
		}
	}

);


/*
---

script: Hash.Extras.js

description: Extends the Hash native object to include getFromPath which allows a path notation to child elements.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Hash.base
- /MooTools.More

provides: [Hash.Extras]

...
*/

Hash.implement({

	getFromPath: function(notation){
		var source = this.getClean();
		notation.replace(/\[([^\]]+)\]|\.([^.[]+)|[^[.]+/g, function(match){
			if (!source) return null;
			var prop = arguments[2] || arguments[1] || arguments[0];
			source = (prop in source) ? source[prop] : null;
			return match;
		});
		return source;
	},

	cleanValues: function(method){
		method = method || $defined;
		this.each(function(v, k){
			if (!method(v)) this.erase(k);
		}, this);
		return this;
	},

	run: function(){
		var args = arguments;
		this.each(function(v, k){
			if ($type(v) == 'function') v.run(args);
		});
	}

});

/*
---

script: String.Extras.js

description: Extends the String native object to include methods useful in managing various kinds of strings (query strings, urls, html, etc).

license: MIT-style license

authors:
- Aaron Newton
- Guillermo Rauch

requires:
- core:1.2.4/String
- core:1.2.4/$util
- core:1.2.4/Array

provides: [String.Extras]

...
*/

(function(){
  
var special = ['À','à','Á','á','Â','â','Ã','ã','Ä','ä','Å','å','Ă','ă','Ą','ą','Ć','ć','Č','č','Ç','ç', 'Ď','ď','Đ','đ', 'È','è','É','é','Ê','ê','Ë','ë','Ě','ě','Ę','ę', 'Ğ','ğ','Ì','ì','Í','í','Î','î','Ï','ï', 'Ĺ','ĺ','Ľ','ľ','Ł','ł', 'Ñ','ñ','Ň','ň','Ń','ń','Ò','ò','Ó','ó','Ô','ô','Õ','õ','Ö','ö','Ø','ø','ő','Ř','ř','Ŕ','ŕ','Š','š','Ş','ş','Ś','ś', 'Ť','ť','Ť','ť','Ţ','ţ','Ù','ù','Ú','ú','Û','û','Ü','ü','Ů','ů', 'Ÿ','ÿ','ý','Ý','Ž','ž','Ź','ź','Ż','ż', 'Þ','þ','Ð','ð','ß','Œ','œ','Æ','æ','µ'];

var standard = ['A','a','A','a','A','a','A','a','Ae','ae','A','a','A','a','A','a','C','c','C','c','C','c','D','d','D','d', 'E','e','E','e','E','e','E','e','E','e','E','e','G','g','I','i','I','i','I','i','I','i','L','l','L','l','L','l', 'N','n','N','n','N','n', 'O','o','O','o','O','o','O','o','Oe','oe','O','o','o', 'R','r','R','r', 'S','s','S','s','S','s','T','t','T','t','T','t', 'U','u','U','u','U','u','Ue','ue','U','u','Y','y','Y','y','Z','z','Z','z','Z','z','TH','th','DH','dh','ss','OE','oe','AE','ae','u'];

var tidymap = {
	"[\xa0\u2002\u2003\u2009]": " ",
	"\xb7": "*",
	"[\u2018\u2019]": "'",
	"[\u201c\u201d]": '"',
	"\u2026": "...",
	"\u2013": "-",
	"\u2014": "--",
	"\uFFFD": "&raquo;"
};

var getRegForTag = function(tag, contents) {
	tag = tag || '';
	var regstr = contents ? "<" + tag + "[^>]*>([\\s\\S]*?)<\/" + tag + ">" : "<\/?" + tag + "([^>]+)?>";
	reg = new RegExp(regstr, "gi");
	return reg;
};

String.implement({

	standardize: function(){
		var text = this;
		special.each(function(ch, i){
			text = text.replace(new RegExp(ch, 'g'), standard[i]);
		});
		return text;
	},

	repeat: function(times){
		return new Array(times + 1).join(this);
	},

	pad: function(length, str, dir){
		if (this.length >= length) return this;
		var pad = (str == null ? ' ' : '' + str).repeat(length - this.length).substr(0, length - this.length);
		if (!dir || dir == 'right') return this + pad;
		if (dir == 'left') return pad + this;
		return pad.substr(0, (pad.length / 2).floor()) + this + pad.substr(0, (pad.length / 2).ceil());
	},

	getTags: function(tag, contents){
		return this.match(getRegForTag(tag, contents)) || [];
	},

	stripTags: function(tag, contents){
		return this.replace(getRegForTag(tag, contents), '');
	},

	tidy: function(){
		var txt = this.toString();
		$each(tidymap, function(value, key){
			txt = txt.replace(new RegExp(key, 'g'), value);
		});
		return txt;
	}

});

})();

/*
---

script: String.QueryString.js

description: Methods for dealing with URI query strings.

license: MIT-style license

authors:
- Sebastian Markbåge, Aaron Newton, Lennart Pilon, Valerio Proietti

requires:
- core:1.2.4/Array
- core:1.2.4/String
- /MooTools.More

provides: [String.QueryString]

...
*/

String.implement({

	parseQueryString: function(){
		var vars = this.split(/[&;]/), res = {};
		if (vars.length) vars.each(function(val){
			var index = val.indexOf('='),
				keys = index < 0 ? [''] : val.substr(0, index).match(/[^\]\[]+/g),
				value = decodeURIComponent(val.substr(index + 1)),
				obj = res;
			keys.each(function(key, i){
				var current = obj[key];
				if(i < keys.length - 1)
					obj = obj[key] = current || {};
				else if($type(current) == 'array')
					current.push(value);
				else
					obj[key] = $defined(current) ? [current, value] : value;
			});
		});
		return res;
	},

	cleanQueryString: function(method){
		return this.split('&').filter(function(val){
			var index = val.indexOf('='),
			key = index < 0 ? '' : val.substr(0, index),
			value = val.substr(index + 1);
			return method ? method.run([key, value]) : $chk(value);
		}).join('&');
	}

});

/*
---

script: URI.js

description: Provides methods useful in managing the window location and uris.

license: MIT-style license

authors:
- Sebastian Markb�ge
- Aaron Newton

requires:
- core:1.2.4/Selectors
- /String.QueryString

provides: URI

...
*/

var URI = new Class({

	Implements: Options,

	options: {
		/*base: false*/
	},

	regex: /^(?:(\w+):)?(?:\/\/(?:(?:([^:@\/]*):?([^:@\/]*))?@)?([^:\/?#]*)(?::(\d*))?)?(\.\.?$|(?:[^?#\/]*\/)*)([^?#]*)(?:\?([^#]*))?(?:#(.*))?/,
	parts: ['scheme', 'user', 'password', 'host', 'port', 'directory', 'file', 'query', 'fragment'],
	schemes: {http: 80, https: 443, ftp: 21, rtsp: 554, mms: 1755, file: 0},

	initialize: function(uri, options){
		this.setOptions(options);
		var base = this.options.base || URI.base;
		if(!uri) uri = base;
		
		if (uri && uri.parsed) this.parsed = $unlink(uri.parsed);
		else this.set('value', uri.href || uri.toString(), base ? new URI(base) : false);
	},

	parse: function(value, base){
		var bits = value.match(this.regex);
		if (!bits) return false;
		bits.shift();
		return this.merge(bits.associate(this.parts), base);
	},

	merge: function(bits, base){
		if ((!bits || !bits.scheme) && (!base || !base.scheme)) return false;
		if (base){
			this.parts.every(function(part){
				if (bits[part]) return false;
				bits[part] = base[part] || '';
				return true;
			});
		}
		bits.port = bits.port || this.schemes[bits.scheme.toLowerCase()];
		bits.directory = bits.directory ? this.parseDirectory(bits.directory, base ? base.directory : '') : '/';
		return bits;
	},

	parseDirectory: function(directory, baseDirectory) {
		directory = (directory.substr(0, 1) == '/' ? '' : (baseDirectory || '/')) + directory;
		if (!directory.test(URI.regs.directoryDot)) return directory;
		var result = [];
		directory.replace(URI.regs.endSlash, '').split('/').each(function(dir){
			if (dir == '..' && result.length > 0) result.pop();
			else if (dir != '.') result.push(dir);
		});
		return result.join('/') + '/';
	},

	combine: function(bits){
		return bits.value || bits.scheme + '://' +
			(bits.user ? bits.user + (bits.password ? ':' + bits.password : '') + '@' : '') +
			(bits.host || '') + (bits.port && bits.port != this.schemes[bits.scheme] ? ':' + bits.port : '') +
			(bits.directory || '/') + (bits.file || '') +
			(bits.query ? '?' + bits.query : '') +
			(bits.fragment ? '#' + bits.fragment : '');
	},

	set: function(part, value, base){
		if (part == 'value'){
			var scheme = value.match(URI.regs.scheme);
			if (scheme) scheme = scheme[1];
			if (scheme && !$defined(this.schemes[scheme.toLowerCase()])) this.parsed = { scheme: scheme, value: value };
			else this.parsed = this.parse(value, (base || this).parsed) || (scheme ? { scheme: scheme, value: value } : { value: value });
		} else if (part == 'data') {
			this.setData(value);
		} else {
			this.parsed[part] = value;
		}
		return this;
	},

	get: function(part, base){
		switch(part){
			case 'value': return this.combine(this.parsed, base ? base.parsed : false);
			case 'data' : return this.getData();
		}
		return this.parsed[part] || '';
	},

	go: function(){
		document.location.href = this.toString();
	},

	toURI: function(){
		return this;
	},

	getData: function(key, part){
		var qs = this.get(part || 'query');
		if (!$chk(qs)) return key ? null : {};
		var obj = qs.parseQueryString();
		return key ? obj[key] : obj;
	},

	setData: function(values, merge, part){
		if (typeof values == 'string'){
			data = this.getData();
			data[arguments[0]] = arguments[1];
			values = data;
		} else if (merge) {
			values = $merge(this.getData(), values);
		}
		return this.set(part || 'query', Hash.toQueryString(values));
	},

	clearData: function(part){
		return this.set(part || 'query', '');
	}

});

URI.prototype.toString = URI.prototype.valueOf = function(){
	return this.get('value');
};

URI.regs = {
	endSlash: /\/$/,
	scheme: /^(\w+):/,
	directoryDot: /\.\/|\.$/
};

URI.base = new URI(document.getElements('base[href]', true).getLast(), {base: document.location});

String.implement({

	toURI: function(options){
		return new URI(this, options);
	}

});

/*
---

script: URI.Relative.js

description: Extends the URI class to add methods for computing relative and absolute urls.

license: MIT-style license

authors:
- Sebastian Markbåge


requires:
- /Class.refactor
- /URI

provides: [URI.Relative]

...
*/

URI = Class.refactor(URI, {

	combine: function(bits, base){
		if (!base || bits.scheme != base.scheme || bits.host != base.host || bits.port != base.port)
			return this.previous.apply(this, arguments);
		var end = bits.file + (bits.query ? '?' + bits.query : '') + (bits.fragment ? '#' + bits.fragment : '');

		if (!base.directory) return (bits.directory || (bits.file ? '' : './')) + end;

		var baseDir = base.directory.split('/'),
			relDir = bits.directory.split('/'),
			path = '',
			offset;

		var i = 0;
		for(offset = 0; offset < baseDir.length && offset < relDir.length && baseDir[offset] == relDir[offset]; offset++);
		for(i = 0; i < baseDir.length - offset - 1; i++) path += '../';
		for(i = offset; i < relDir.length - 1; i++) path += relDir[i] + '/';

		return (path || (bits.file ? '' : './')) + end;
	},

	toAbsolute: function(base){
		base = new URI(base);
		if (base) base.set('directory', '').set('file', '');
		return this.toRelative(base);
	},

	toRelative: function(base){
		return this.get('value', new URI(base));
	}

});

/*
---

script: Element.Forms.js

description: Extends the Element native object to include methods useful in managing inputs.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element
- /MooTools.More

provides: [Element.Forms]

...
*/

Element.implement({

	tidy: function(){
		this.set('value', this.get('value').tidy());
	},

	getTextInRange: function(start, end){
		return this.get('value').substring(start, end);
	},

	getSelectedText: function(){
		if (this.setSelectionRange) return this.getTextInRange(this.getSelectionStart(), this.getSelectionEnd());
		return document.selection.createRange().text;
	},

	getSelectedRange: function() {
		if ($defined(this.selectionStart)) return {start: this.selectionStart, end: this.selectionEnd};
		var pos = {start: 0, end: 0};
		var range = this.getDocument().selection.createRange();
		if (!range || range.parentElement() != this) return pos;
		var dup = range.duplicate();
		if (this.type == 'text') {
			pos.start = 0 - dup.moveStart('character', -100000);
			pos.end = pos.start + range.text.length;
		} else {
			var value = this.get('value');
			var offset = value.length;
			dup.moveToElementText(this);
			dup.setEndPoint('StartToEnd', range);
			if(dup.text.length) offset -= value.match(/[\n\r]*$/)[0].length;
			pos.end = offset - dup.text.length;
			dup.setEndPoint('StartToStart', range);
			pos.start = offset - dup.text.length;
		}
		return pos;
	},

	getSelectionStart: function(){
		return this.getSelectedRange().start;
	},

	getSelectionEnd: function(){
		return this.getSelectedRange().end;
	},

	setCaretPosition: function(pos){
		if (pos == 'end') pos = this.get('value').length;
		this.selectRange(pos, pos);
		return this;
	},

	getCaretPosition: function(){
		return this.getSelectedRange().start;
	},

	selectRange: function(start, end){
		if (this.setSelectionRange) {
			this.focus();
			this.setSelectionRange(start, end);
		} else {
			var value = this.get('value');
			var diff = value.substr(start, end - start).replace(/\r/g, '').length;
			start = value.substr(0, start).replace(/\r/g, '').length;
			var range = this.createTextRange();
			range.collapse(true);
			range.moveEnd('character', start + diff);
			range.moveStart('character', start);
			range.select();
		}
		return this;
	},

	insertAtCursor: function(value, select){
		var pos = this.getSelectedRange();
		var text = this.get('value');
		this.set('value', text.substring(0, pos.start) + value + text.substring(pos.end, text.length));
		if ($pick(select, true)) this.selectRange(pos.start, pos.start + value.length);
		else this.setCaretPosition(pos.start + value.length);
		return this;
	},

	insertAroundCursor: function(options, select){
		options = $extend({
			before: '',
			defaultMiddle: '',
			after: ''
		}, options);
		var value = this.getSelectedText() || options.defaultMiddle;
		var pos = this.getSelectedRange();
		var text = this.get('value');
		if (pos.start == pos.end){
			this.set('value', text.substring(0, pos.start) + options.before + value + options.after + text.substring(pos.end, text.length));
			this.selectRange(pos.start + options.before.length, pos.end + options.before.length + value.length);
		} else {
			var current = text.substring(pos.start, pos.end);
			this.set('value', text.substring(0, pos.start) + options.before + current + options.after + text.substring(pos.end, text.length));
			var selStart = pos.start + options.before.length;
			if ($pick(select, true)) this.selectRange(selStart, selStart + current.length);
			else this.setCaretPosition(selStart + text.length);
		}
		return this;
	}

});

/*
---

script: Element.Measure.js

description: Extends the Element native object to include methods useful in measuring dimensions.

credits: "Element.measure / .expose methods by Daniel Steigerwald License: MIT-style license. Copyright: Copyright (c) 2008 Daniel Steigerwald, daniel.steigerwald.cz"

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element.Style
- core:1.2.4/Element.Dimensions
- /MooTools.More

provides: [Element.Measure]

...
*/

Element.implement({

	measure: function(fn){
		var vis = function(el) {
			return !!(!el || el.offsetHeight || el.offsetWidth);
		};
		if (vis(this)) return fn.apply(this);
		var parent = this.getParent(),
			restorers = [],
			toMeasure = []; 
		while (!vis(parent) && parent != document.body) {
			toMeasure.push(parent.expose());
			parent = parent.getParent();
		}
		var restore = this.expose();
		var result = fn.apply(this);
		restore();
		toMeasure.each(function(restore){
			restore();
		});
		return result;
	},

	expose: function(){
		if (this.getStyle('display') != 'none') return $empty;
		var before = this.style.cssText;
		this.setStyles({
			display: 'block',
			position: 'absolute',
			visibility: 'hidden'
		});
		return function(){
			this.style.cssText = before;
		}.bind(this);
	},

	getDimensions: function(options){
		options = $merge({computeSize: false},options);
		var dim = {};
		var getSize = function(el, options){
			return (options.computeSize)?el.getComputedSize(options):el.getSize();
		};
		var parent = this.getParent('body');
		if (parent && this.getStyle('display') == 'none'){
			dim = this.measure(function(){
				return getSize(this, options);
			});
		} else if (parent){
			try { //safari sometimes crashes here, so catch it
				dim = getSize(this, options);
			}catch(e){}
		} else {
			dim = {x: 0, y: 0};
		}
		return $chk(dim.x) ? $extend(dim, {width: dim.x, height: dim.y}) : $extend(dim, {x: dim.width, y: dim.height});
	},

	getComputedSize: function(options){
		options = $merge({
			styles: ['padding','border'],
			plains: {
				height: ['top','bottom'],
				width: ['left','right']
			},
			mode: 'both'
		}, options);
		var size = {width: 0,height: 0};
		switch (options.mode){
			case 'vertical':
				delete size.width;
				delete options.plains.width;
				break;
			case 'horizontal':
				delete size.height;
				delete options.plains.height;
				break;
		}
		var getStyles = [];
		//this function might be useful in other places; perhaps it should be outside this function?
		$each(options.plains, function(plain, key){
			plain.each(function(edge){
				options.styles.each(function(style){
					getStyles.push((style == 'border') ? style + '-' + edge + '-' + 'width' : style + '-' + edge);
				});
			});
		});
		var styles = {};
		getStyles.each(function(style){ styles[style] = this.getComputedStyle(style); }, this);
		var subtracted = [];
		$each(options.plains, function(plain, key){ //keys: width, height, plains: ['left', 'right'], ['top','bottom']
			var capitalized = key.capitalize();
			size['total' + capitalized] = size['computed' + capitalized] = 0;
			plain.each(function(edge){ //top, left, right, bottom
				size['computed' + edge.capitalize()] = 0;
				getStyles.each(function(style, i){ //padding, border, etc.
					//'padding-left'.test('left') size['totalWidth'] = size['width'] + [padding-left]
					if (style.test(edge)){
						styles[style] = styles[style].toInt() || 0; //styles['padding-left'] = 5;
						size['total' + capitalized] = size['total' + capitalized] + styles[style];
						size['computed' + edge.capitalize()] = size['computed' + edge.capitalize()] + styles[style];
					}
					//if width != width (so, padding-left, for instance), then subtract that from the total
					if (style.test(edge) && key != style &&
						(style.test('border') || style.test('padding')) && !subtracted.contains(style)){
						subtracted.push(style);
						size['computed' + capitalized] = size['computed' + capitalized]-styles[style];
					}
				});
			});
		});

		['Width', 'Height'].each(function(value){
			var lower = value.toLowerCase();
			if(!$chk(size[lower])) return;

			size[lower] = size[lower] + this['offset' + value] + size['computed' + value];
			size['total' + value] = size[lower] + size['total' + value];
			delete size['computed' + value];
		}, this);

		return $extend(styles, size);
	}

});

/*
---

script: Element.Pin.js

description: Extends the Element native object to include the pin method useful for fixed positioning for elements.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element.Event
- core:1.2.4/Element.Dimensions
- core:1.2.4/Element.Style
- /MooTools.More

provides: [Element.Pin]

...
*/

(function(){
	var supportsPositionFixed = false;
	window.addEvent('domready', function(){
		var test = new Element('div').setStyles({
			position: 'fixed',
			top: 0,
			right: 0
		}).inject(document.body);
		supportsPositionFixed = (test.offsetTop === 0);
		test.dispose();
	});

	Element.implement({

		pin: function(enable){
			if (this.getStyle('display') == 'none') return null;
			
			var p,
					scroll = window.getScroll();
			if (enable !== false){
				p = this.getPosition();
				if (!this.retrieve('pinned')){
					var pos = {
						top: p.y - scroll.y,
						left: p.x - scroll.x
					};
					if (supportsPositionFixed){
						this.setStyle('position', 'fixed').setStyles(pos);
					} else {
						this.store('pinnedByJS', true);
						this.setStyles({
							position: 'absolute',
							top: p.y,
							left: p.x
						}).addClass('isPinned');
						this.store('scrollFixer', (function(){
							if (this.retrieve('pinned'))
								var scroll = window.getScroll();
								this.setStyles({
									top: pos.top.toInt() + scroll.y,
									left: pos.left.toInt() + scroll.x
								});
						}).bind(this));
						window.addEvent('scroll', this.retrieve('scrollFixer'));
					}
					this.store('pinned', true);
				}
			} else {
				var op;
				if (!Browser.Engine.trident){
					var parent = this.getParent();
					op = (parent.getComputedStyle('position') != 'static' ? parent : parent.getOffsetParent());
				}
				p = this.getPosition(op);
				this.store('pinned', false);
				var reposition;
				if (supportsPositionFixed && !this.retrieve('pinnedByJS')){
					reposition = {
						top: p.y + scroll.y,
						left: p.x + scroll.x
					};
				} else {
					this.store('pinnedByJS', false);
					window.removeEvent('scroll', this.retrieve('scrollFixer'));
					reposition = {
						top: p.y,
						left: p.x
					};
				}
				this.setStyles($merge(reposition, {position: 'absolute'})).removeClass('isPinned');
			}
			return this;
		},

		unpin: function(){
			return this.pin(false);
		},

		togglepin: function(){
			this.pin(!this.retrieve('pinned'));
		}

	});

})();

/*
---

script: Element.Position.js

description: Extends the Element native object to include methods useful positioning elements relative to others.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element.Dimensions
- /Element.Measure

provides: [Elements.Position]

...
*/

(function(){

var original = Element.prototype.position;

Element.implement({

	position: function(options){
		//call original position if the options are x/y values
		if (options && ($defined(options.x) || $defined(options.y))) return original ? original.apply(this, arguments) : this;
		$each(options||{}, function(v, k){ if (!$defined(v)) delete options[k]; });
		options = $merge({
			// minimum: { x: 0, y: 0 },
			// maximum: { x: 0, y: 0},
			relativeTo: document.body,
			position: {
				x: 'center', //left, center, right
				y: 'center' //top, center, bottom
			},
			edge: false,
			offset: {x: 0, y: 0},
			returnPos: false,
			relFixedPosition: false,
			ignoreMargins: false,
			ignoreScroll: false,
			allowNegative: false
		}, options);
		//compute the offset of the parent positioned element if this element is in one
		var parentOffset = {x: 0, y: 0}, 
				parentPositioned = false;
		/* dollar around getOffsetParent should not be necessary, but as it does not return
		 * a mootools extended element in IE, an error occurs on the call to expose. See:
		 * http://mootools.lighthouseapp.com/projects/2706/tickets/333-element-getoffsetparent-inconsistency-between-ie-and-other-browsers */
		var offsetParent = this.measure(function(){
			return document.id(this.getOffsetParent());
		});
		if (offsetParent && offsetParent != this.getDocument().body){
			parentOffset = offsetParent.measure(function(){
				return this.getPosition();
			});
			parentPositioned = offsetParent != document.id(options.relativeTo);
			options.offset.x = options.offset.x - parentOffset.x;
			options.offset.y = options.offset.y - parentOffset.y;
		}
		//upperRight, bottomRight, centerRight, upperLeft, bottomLeft, centerLeft
		//topRight, topLeft, centerTop, centerBottom, center
		var fixValue = function(option){
			if ($type(option) != 'string') return option;
			option = option.toLowerCase();
			var val = {};
			if (option.test('left')) val.x = 'left';
			else if (option.test('right')) val.x = 'right';
			else val.x = 'center';
			if (option.test('upper') || option.test('top')) val.y = 'top';
			else if (option.test('bottom')) val.y = 'bottom';
			else val.y = 'center';
			return val;
		};
		options.edge = fixValue(options.edge);
		options.position = fixValue(options.position);
		if (!options.edge){
			if (options.position.x == 'center' && options.position.y == 'center') options.edge = {x:'center', y:'center'};
			else options.edge = {x:'left', y:'top'};
		}

		this.setStyle('position', 'absolute');
		var rel = document.id(options.relativeTo) || document.body,
				calc = rel == document.body ? window.getScroll() : rel.getPosition(),
				top = calc.y, left = calc.x;

		var dim = this.getDimensions({computeSize: true, styles:['padding', 'border','margin']});
		var pos = {},
				prefY = options.offset.y,
				prefX = options.offset.x,
				winSize = window.getSize();
		switch(options.position.x){
			case 'left':
				pos.x = left + prefX;
				break;
			case 'right':
				pos.x = left + prefX + rel.offsetWidth;
				break;
			default: //center
				pos.x = left + ((rel == document.body ? winSize.x : rel.offsetWidth)/2) + prefX;
				break;
		}
		switch(options.position.y){
			case 'top':
				pos.y = top + prefY;
				break;
			case 'bottom':
				pos.y = top + prefY + rel.offsetHeight;
				break;
			default: //center
				pos.y = top + ((rel == document.body ? winSize.y : rel.offsetHeight)/2) + prefY;
				break;
		}
		if (options.edge){
			var edgeOffset = {};

			switch(options.edge.x){
				case 'left':
					edgeOffset.x = 0;
					break;
				case 'right':
					edgeOffset.x = -dim.x-dim.computedRight-dim.computedLeft;
					break;
				default: //center
					edgeOffset.x = -(dim.totalWidth/2);
					break;
			}
			switch(options.edge.y){
				case 'top':
					edgeOffset.y = 0;
					break;
				case 'bottom':
					edgeOffset.y = -dim.y-dim.computedTop-dim.computedBottom;
					break;
				default: //center
					edgeOffset.y = -(dim.totalHeight/2);
					break;
			}
			pos.x += edgeOffset.x;
			pos.y += edgeOffset.y;
		}
		pos = {
			left: ((pos.x >= 0 || parentPositioned || options.allowNegative) ? pos.x : 0).toInt(),
			top: ((pos.y >= 0 || parentPositioned || options.allowNegative) ? pos.y : 0).toInt()
		};
		var xy = {left: 'x', top: 'y'};
		['minimum', 'maximum'].each(function(minmax) {
			['left', 'top'].each(function(lr) {
				var val = options[minmax] ? options[minmax][xy[lr]] : null;
				if (val != null && pos[lr] < val) pos[lr] = val;
			});
		});
		if (rel.getStyle('position') == 'fixed' || options.relFixedPosition){
			var winScroll = window.getScroll();
			pos.top+= winScroll.y;
			pos.left+= winScroll.x;
		}
		if (options.ignoreScroll) {
			var relScroll = rel.getScroll();
			pos.top-= relScroll.y;
			pos.left-= relScroll.x;
		}
		if (options.ignoreMargins) {
			pos.left += (
				options.edge.x == 'right' ? dim['margin-right'] : 
				options.edge.x == 'center' ? -dim['margin-left'] + ((dim['margin-right'] + dim['margin-left'])/2) : 
					- dim['margin-left']
			);
			pos.top += (
				options.edge.y == 'bottom' ? dim['margin-bottom'] : 
				options.edge.y == 'center' ? -dim['margin-top'] + ((dim['margin-bottom'] + dim['margin-top'])/2) : 
					- dim['margin-top']
			);
		}
		pos.left = Math.ceil(pos.left);
		pos.top = Math.ceil(pos.top);
		if (options.returnPos) return pos;
		else this.setStyles(pos);
		return this;
	}

});

})();

/*
---

script: Element.Shortcuts.js

description: Extends the Element native object to include some shortcut methods.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element.Style
- /MooTools.More

provides: [Element.Shortcuts]

...
*/

Element.implement({

	isDisplayed: function(){
		return this.getStyle('display') != 'none';
	},

	isVisible: function(){
		var w = this.offsetWidth,
			h = this.offsetHeight;
		return (w == 0 && h == 0) ? false : (w > 0 && h > 0) ? true : this.isDisplayed();
	},

	toggle: function(){
		return this[this.isDisplayed() ? 'hide' : 'show']();
	},

	hide: function(){
		var d;
		try {
			//IE fails here if the element is not in the dom
			d = this.getStyle('display');
		} catch(e){}
		return this.store('originalDisplay', d || '').setStyle('display', 'none');
	},

	show: function(display){
		display = display || this.retrieve('originalDisplay') || 'block';
		return this.setStyle('display', (display == 'none') ? 'block' : display);
	},

	swapClass: function(remove, add){
		return this.removeClass(remove).addClass(add);
	}

});


/*
---

script: Form.Validator.js

description: A css-class based form validation system.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Options
- core:1.2.4/Events
- core:1.2.4/Selectors
- core:1.2.4/Element.Event
- core:1.2.4/Element.Style
- core:1.2.4/JSON
- /Lang- /Class.Binds
- /Date Element.Forms
- /Form.Validator.English
- /Element.Shortcuts

provides: [Form.Validator, InputValidator, FormValidator.BaseValidators]

...
*/
if (!window.Form) window.Form = {};

var InputValidator = new Class({

	Implements: [Options],

	options: {
		errorMsg: 'Validation failed.',
		test: function(field){return true;}
	},

	initialize: function(className, options){
		this.setOptions(options);
		this.className = className;
	},

	test: function(field, props){
		if (document.id(field)) return this.options.test(document.id(field), props||this.getProps(field));
		else return false;
	},

	getError: function(field, props){
		var err = this.options.errorMsg;
		if ($type(err) == 'function') err = err(document.id(field), props||this.getProps(field));
		return err;
	},

	getProps: function(field){
		if (!document.id(field)) return {};
		return field.get('validatorProps');
	}

});

Element.Properties.validatorProps = {

	set: function(props){
		return this.eliminate('validatorProps').store('validatorProps', props);
	},

	get: function(props){
		if (props) this.set(props);
		if (this.retrieve('validatorProps')) return this.retrieve('validatorProps');
		if (this.getProperty('validatorProps')){
			try {
				this.store('validatorProps', JSON.decode(this.getProperty('validatorProps')));
			}catch(e){
				return {};
			}
		} else {
			var vals = this.get('class').split(' ').filter(function(cls){
				return cls.test(':');
			});
			if (!vals.length){
				this.store('validatorProps', {});
			} else {
				props = {};
				vals.each(function(cls){
					var split = cls.split(':');
					if (split[1]) {
						try {
							props[split[0]] = JSON.decode(split[1]);
						} catch(e) {}
					}
				});
				this.store('validatorProps', props);
			}
		}
		return this.retrieve('validatorProps');
	}

};

Form.Validator = new Class({

	Implements:[Options, Events],

	Binds: ['onSubmit'],

	options: {/*
		onFormValidate: $empty(isValid, form, event),
		onElementValidate: $empty(isValid, field, className, warn),
		onElementPass: $empty(field),
		onElementFail: $empty(field, validatorsFailed) */
		fieldSelectors: 'input, select, textarea',
		ignoreHidden: true,
		ignoreDisabled: true,
		useTitles: false,
		evaluateOnSubmit: true,
		evaluateFieldsOnBlur: true,
		evaluateFieldsOnChange: true,
		serial: true,
		stopOnFailure: true,
		warningPrefix: function(){
			return Form.Validator.getMsg('warningPrefix') || 'Warning: ';
		},
		errorPrefix: function(){
			return Form.Validator.getMsg('errorPrefix') || 'Error: ';
		}
	},

	initialize: function(form, options){
		this.setOptions(options);
		this.element = document.id(form);
		this.element.store('validator', this);
		this.warningPrefix = $lambda(this.options.warningPrefix)();
		this.errorPrefix = $lambda(this.options.errorPrefix)();
		if (this.options.evaluateOnSubmit) this.element.addEvent('submit', this.onSubmit);
		if (this.options.evaluateFieldsOnBlur || this.options.evaluateFieldsOnChange) this.watchFields(this.getFields());
	},

	toElement: function(){
		return this.element;
	},

	getFields: function(){
		return (this.fields = this.element.getElements(this.options.fieldSelectors));
	},

	watchFields: function(fields){
		fields.each(function(el){
			if (this.options.evaluateFieldsOnBlur)
				el.addEvent('blur', this.validationMonitor.pass([el, false], this));
			if (this.options.evaluateFieldsOnChange)
				el.addEvent('change', this.validationMonitor.pass([el, true], this));
		}, this);
	},

	validationMonitor: function(){
		$clear(this.timer);
		this.timer = this.validateField.delay(50, this, arguments);
	},

	onSubmit: function(event){
		if (!this.validate(event) && event) event.preventDefault();
		else this.reset();
	},

	reset: function(){
		this.getFields().each(this.resetField, this);
		return this;
	},

	validate: function(event){
		var result = this.getFields().map(function(field){
			return this.validateField(field, true);
		}, this).every(function(v){ return v;});
		this.fireEvent('formValidate', [result, this.element, event]);
		if (this.options.stopOnFailure && !result && event) event.preventDefault();
		return result;
	},

	validateField: function(field, force){
		if (this.paused) return true;
		field = document.id(field);
		var passed = !field.hasClass('validation-failed');
		var failed, warned;
		if (this.options.serial && !force){
			failed = this.element.getElement('.validation-failed');
			warned = this.element.getElement('.warning');
		}
		if (field && (!failed || force || field.hasClass('validation-failed') || (failed && !this.options.serial))){
			var validators = field.className.split(' ').some(function(cn){
				return this.getValidator(cn);
			}, this);
			var validatorsFailed = [];
			field.className.split(' ').each(function(className){
				if (className && !this.test(className, field)) validatorsFailed.include(className);
			}, this);
			passed = validatorsFailed.length === 0;
			if (validators && !field.hasClass('warnOnly')){
				if (passed){
					field.addClass('validation-passed').removeClass('validation-failed');
					this.fireEvent('elementPass', field);
				} else {
					field.addClass('validation-failed').removeClass('validation-passed');
					this.fireEvent('elementFail', [field, validatorsFailed]);
				}
			}
			if (!warned){
				var warnings = field.className.split(' ').some(function(cn){
					if (cn.test('^warn-') || field.hasClass('warnOnly'))
						return this.getValidator(cn.replace(/^warn-/,''));
					else return null;
				}, this);
				field.removeClass('warning');
				var warnResult = field.className.split(' ').map(function(cn){
					if (cn.test('^warn-') || field.hasClass('warnOnly'))
						return this.test(cn.replace(/^warn-/,''), field, true);
					else return null;
				}, this);
			}
		}
		return passed;
	},

	test: function(className, field, warn){
		field = document.id(field);
		if((this.options.ignoreHidden && !field.isVisible()) || (this.options.ignoreDisabled && field.get('disabled'))) return true;
		var validator = this.getValidator(className);
		if (field.hasClass('ignoreValidation')) return true;
		warn = $pick(warn, false);
		if (field.hasClass('warnOnly')) warn = true;
		var isValid = validator ? validator.test(field) : true;
		if (validator && field.isVisible()) this.fireEvent('elementValidate', [isValid, field, className, warn]);
		if (warn) return true;
		return isValid;
	},

	resetField: function(field){
		field = document.id(field);
		if (field){
			field.className.split(' ').each(function(className){
				if (className.test('^warn-')) className = className.replace(/^warn-/, '');
				field.removeClass('validation-failed');
				field.removeClass('warning');
				field.removeClass('validation-passed');
			}, this);
		}
		return this;
	},

	stop: function(){
		this.paused = true;
		return this;
	},

	start: function(){
		this.paused = false;
		return this;
	},

	ignoreField: function(field, warn){
		field = document.id(field);
		if (field){
			this.enforceField(field);
			if (warn) field.addClass('warnOnly');
			else field.addClass('ignoreValidation');
		}
		return this;
	},

	enforceField: function(field){
		field = document.id(field);
		if (field) field.removeClass('warnOnly').removeClass('ignoreValidation');
		return this;
	}

});

Form.Validator.getMsg = function(key){
	return MooTools.lang.get('Form.Validator', key);
};

Form.Validator.adders = {

	validators:{},

	add : function(className, options){
		this.validators[className] = new InputValidator(className, options);
		//if this is a class (this method is used by instances of Form.Validator and the Form.Validator namespace)
		//extend these validators into it
		//this allows validators to be global and/or per instance
		if (!this.initialize){
			this.implement({
				validators: this.validators
			});
		}
	},

	addAllThese : function(validators){
		$A(validators).each(function(validator){
			this.add(validator[0], validator[1]);
		}, this);
	},

	getValidator: function(className){
		return this.validators[className.split(':')[0]];
	}

};

$extend(Form.Validator, Form.Validator.adders);

Form.Validator.implement(Form.Validator.adders);

Form.Validator.add('IsEmpty', {

	errorMsg: false,
	test: function(element){
		if (element.type == 'select-one' || element.type == 'select')
			return !(element.selectedIndex >= 0 && element.options[element.selectedIndex].value != '');
		else
			return ((element.get('value') == null) || (element.get('value').length == 0));
	}

});

Form.Validator.addAllThese([

	['required', {
		errorMsg: function(){
			return Form.Validator.getMsg('required');
		},
		test: function(element){
			return !Form.Validator.getValidator('IsEmpty').test(element);
		}
	}],

	['minLength', {
		errorMsg: function(element, props){
			if ($type(props.minLength))
				return Form.Validator.getMsg('minLength').substitute({minLength:props.minLength,length:element.get('value').length });
			else return '';
		},
		test: function(element, props){
			if ($type(props.minLength)) return (element.get('value').length >= $pick(props.minLength, 0));
			else return true;
		}
	}],

	['maxLength', {
		errorMsg: function(element, props){
			//props is {maxLength:10}
			if ($type(props.maxLength))
				return Form.Validator.getMsg('maxLength').substitute({maxLength:props.maxLength,length:element.get('value').length });
			else return '';
		},
		test: function(element, props){
			//if the value is <= than the maxLength value, element passes test
			return (element.get('value').length <= $pick(props.maxLength, 10000));
		}
	}],

	['validate-integer', {
		errorMsg: Form.Validator.getMsg.pass('integer'),
		test: function(element){
			return Form.Validator.getValidator('IsEmpty').test(element) || (/^(-?[1-9]\d*|0)$/).test(element.get('value'));
		}
	}],

	['validate-numeric', {
		errorMsg: Form.Validator.getMsg.pass('numeric'),
		test: function(element){
			return Form.Validator.getValidator('IsEmpty').test(element) ||
				(/^-?(?:0$0(?=\d*\.)|[1-9]|0)\d*(\.\d+)?$/).test(element.get('value'));
		}
	}],

	['validate-digits', {
		errorMsg: Form.Validator.getMsg.pass('digits'),
		test: function(element){
			return Form.Validator.getValidator('IsEmpty').test(element) || (/^[\d() .:\-\+#]+$/.test(element.get('value')));
		}
	}],

	['validate-alpha', {
		errorMsg: Form.Validator.getMsg.pass('alpha'),
		test: function(element){
			return Form.Validator.getValidator('IsEmpty').test(element) ||  (/^[a-zA-Z]+$/).test(element.get('value'));
		}
	}],

	['validate-alphanum', {
		errorMsg: Form.Validator.getMsg.pass('alphanum'),
		test: function(element){
			return Form.Validator.getValidator('IsEmpty').test(element) || !(/\W/).test(element.get('value'));
		}
	}],

	['validate-date', {
		errorMsg: function(element, props){
			if (Date.parse){
				var format = props.dateFormat || '%x';
				return Form.Validator.getMsg('dateSuchAs').substitute({date: new Date().format(format)});
			} else {
				return Form.Validator.getMsg('dateInFormatMDY');
			}
		},
		test: function(element, props){
			if (Form.Validator.getValidator('IsEmpty').test(element)) return true;
			var d;
			if (Date.parse){
				var format = props.dateFormat || '%x';
				d = Date.parse(element.get('value'));
				var formatted = d.format(format);
				if (formatted != 'invalid date') element.set('value', formatted);
				return !isNaN(d);
			} else {
				var regex = /^(\d{2})\/(\d{2})\/(\d{4})$/;
				if (!regex.test(element.get('value'))) return false;
				d = new Date(element.get('value').replace(regex, '$1/$2/$3'));
				return (parseInt(RegExp.$1, 10) == (1 + d.getMonth())) &&
					(parseInt(RegExp.$2, 10) == d.getDate()) &&
					(parseInt(RegExp.$3, 10) == d.getFullYear());
			}
		}
	}],

	['validate-email', {
		errorMsg: Form.Validator.getMsg.pass('email'),
		test: function(element){
			return Form.Validator.getValidator('IsEmpty').test(element) || (/^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i).test(element.get('value'));
		}
	}],

	['validate-url', {
		errorMsg: Form.Validator.getMsg.pass('url'),
		test: function(element){
			return Form.Validator.getValidator('IsEmpty').test(element) || (/^(https?|ftp|rmtp|mms):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i).test(element.get('value'));
		}
	}],

	['validate-currency-dollar', {
		errorMsg: Form.Validator.getMsg.pass('currencyDollar'),
		test: function(element){
			// [$]1[##][,###]+[.##]
			// [$]1###+[.##]
			// [$]0.##
			// [$].##
			return Form.Validator.getValidator('IsEmpty').test(element) ||  (/^\$?\-?([1-9]{1}[0-9]{0,2}(\,[0-9]{3})*(\.[0-9]{0,2})?|[1-9]{1}\d*(\.[0-9]{0,2})?|0(\.[0-9]{0,2})?|(\.[0-9]{1,2})?)$/).test(element.get('value'));
		}
	}],

	['validate-one-required', {
		errorMsg: Form.Validator.getMsg.pass('oneRequired'),
		test: function(element, props){
			var p = document.id(props['validate-one-required']) || element.getParent();
			return p.getElements('input').some(function(el){
				if (['checkbox', 'radio'].contains(el.get('type'))) return el.get('checked');
				return el.get('value');
			});
		}
	}]

]);

Element.Properties.validator = {

	set: function(options){
		var validator = this.retrieve('validator');
		if (validator) validator.setOptions(options);
		return this.store('validator:options');
	},

	get: function(options){
		if (options || !this.retrieve('validator')){
			if (options || !this.retrieve('validator:options')) this.set('validator', options);
			this.store('validator', new Form.Validator(this, this.retrieve('validator:options')));
		}
		return this.retrieve('validator');
	}

};

Element.implement({

	validate: function(options){
		this.set('validator', options);
		return this.get('validator', options).validate();
	}

});
//legacy
var FormValidator = Form.Validator;

/*
---

script: Form.Validator.Inline.js

description: Extends Form.Validator to add inline messages.

license: MIT-style license

authors:
- Aaron Newton

requires:
- /Form.Validator

provides: [Form.Validator.Inline]

...
*/

Form.Validator.Inline = new Class({

	Extends: Form.Validator,

	options: {
		scrollToErrorsOnSubmit: true,
		scrollFxOptions: {
			transition: 'quad:out',
			offset: {
				y: -20
			}
		}
	},

	initialize: function(form, options){
		this.parent(form, options);
		this.addEvent('onElementValidate', function(isValid, field, className, warn){
			var validator = this.getValidator(className);
			if (!isValid && validator.getError(field)){
				if (warn) field.addClass('warning');
				var advice = this.makeAdvice(className, field, validator.getError(field), warn);
				this.insertAdvice(advice, field);
				this.showAdvice(className, field);
			} else {
				this.hideAdvice(className, field);
			}
		});
	},

	makeAdvice: function(className, field, error, warn){
		var errorMsg = (warn)?this.warningPrefix:this.errorPrefix;
			errorMsg += (this.options.useTitles) ? field.title || error:error;
		var cssClass = (warn) ? 'warning-advice' : 'validation-advice';
		var advice = this.getAdvice(className, field);
		if(advice) {
			advice = advice.set('html', errorMsg);
		} else {
			advice = new Element('div', {
				html: errorMsg,
				styles: { display: 'none' },
				id: 'advice-' + className + '-' + this.getFieldId(field)
			}).addClass(cssClass);
		}
		field.store('advice-' + className, advice);
		return advice;
	},

	getFieldId : function(field){
		return field.id ? field.id : field.id = 'input_' + field.name;
	},

	showAdvice: function(className, field){
		var advice = this.getAdvice(className, field);
		if (advice && !field.retrieve(this.getPropName(className))
				&& (advice.getStyle('display') == 'none'
				|| advice.getStyle('visiblity') == 'hidden'
				|| advice.getStyle('opacity') == 0)){
			field.store(this.getPropName(className), true);
			if (advice.reveal) advice.reveal();
			else advice.setStyle('display', 'block');
		}
	},

	hideAdvice: function(className, field){
		var advice = this.getAdvice(className, field);
		if (advice && field.retrieve(this.getPropName(className))){
			field.store(this.getPropName(className), false);
			//if Fx.Reveal.js is present, transition the advice out
			if (advice.dissolve) advice.dissolve();
			else advice.setStyle('display', 'none');
		}
	},

	getPropName: function(className){
		return 'advice' + className;
	},

	resetField: function(field){
		field = document.id(field);
		if (!field) return this;
		this.parent(field);
		field.className.split(' ').each(function(className){
			this.hideAdvice(className, field);
		}, this);
		return this;
	},

	getAllAdviceMessages: function(field, force){
		var advice = [];
		if (field.hasClass('ignoreValidation') && !force) return advice;
		var validators = field.className.split(' ').some(function(cn){
			var warner = cn.test('^warn-') || field.hasClass('warnOnly');
			if (warner) cn = cn.replace(/^warn-/, '');
			var validator = this.getValidator(cn);
			if (!validator) return;
			advice.push({
				message: validator.getError(field),
				warnOnly: warner,
				passed: validator.test(),
				validator: validator
			});
		}, this);
		return advice;
	},

	getAdvice: function(className, field){
		return field.retrieve('advice-' + className);
	},

	insertAdvice: function(advice, field){
		//Check for error position prop
		var props = field.get('validatorProps');
		//Build advice
		if (!props.msgPos || !document.id(props.msgPos)){
			if(field.type.toLowerCase() == 'radio') field.getParent().adopt(advice);
			else advice.inject(document.id(field), 'after');
		} else {
			document.id(props.msgPos).grab(advice);
		}
	},

	validateField: function(field, force){
		var result = this.parent(field, force);
		if (this.options.scrollToErrorsOnSubmit && !result){
			var failed = document.id(this).getElement('.validation-failed');
			var par = document.id(this).getParent();
			while (par != document.body && par.getScrollSize().y == par.getSize().y){
				par = par.getParent();
			}
			var fx = par.retrieve('fvScroller');
			if (!fx && window.Fx && Fx.Scroll){
				fx = new Fx.Scroll(par, this.options.scrollFxOptions);
				par.store('fvScroller', fx);
			}
			if (failed){
				if (fx) fx.toElement(failed);
				else par.scrollTo(par.getScroll().x, failed.getPosition(par).y - 20);
			}
		}
		return result;
	}

});


/*
---

script: Form.Validator.Extras.js

description: Additional validators for the Form.Validator class.

license: MIT-style license

authors:
- Aaron Newton

requires:
- /Form.Validator

provides: [Form.Validator.Extras]

...
*/
Form.Validator.addAllThese([

	['validate-enforce-oncheck', {
		test: function(element, props){
			if (element.checked){
				var fv = element.getParent('form').retrieve('validator');
				if (!fv) return true;
				(props.toEnforce || document.id(props.enforceChildrenOf).getElements('input, select, textarea')).map(function(item){
					fv.enforceField(item);
				});
			}
			return true;
		}
	}],

	['validate-ignore-oncheck', {
		test: function(element, props){
			if (element.checked){
				var fv = element.getParent('form').retrieve('validator');
				if (!fv) return true;
				(props.toIgnore || document.id(props.ignoreChildrenOf).getElements('input, select, textarea')).each(function(item){
					fv.ignoreField(item);
					fv.resetField(item);
				});
			}
			return true;
		}
	}],

	['validate-nospace', {
		errorMsg: function(){
			return Form.Validator.getMsg('noSpace');
		},
		test: function(element, props){
			return !element.get('value').test(/\s/);
		}
	}],

	['validate-toggle-oncheck', {
		test: function(element, props){
			var fv = element.getParent('form').retrieve('validator');
			if (!fv) return true;
			var eleArr = props.toToggle || document.id(props.toToggleChildrenOf).getElements('input, select, textarea');
			if (!element.checked){
				eleArr.each(function(item){
					fv.ignoreField(item);
					fv.resetField(item);
				});
			} else {
				eleArr.each(function(item){
					fv.enforceField(item);
				});
			}
			return true;
		}
	}],

	['validate-reqchk-bynode', {
		errorMsg: function(){
			return Form.Validator.getMsg('reqChkByNode');
		},
		test: function(element, props){
			return (document.id(props.nodeId).getElements(props.selector || 'input[type=checkbox], input[type=radio]')).some(function(item){
				return item.checked;
			});
		}
	}],

	['validate-required-check', {
		errorMsg: function(element, props){
			return props.useTitle ? element.get('title') : Form.Validator.getMsg('requiredChk');
		},
		test: function(element, props){
			return !!element.checked;
		}
	}],

	['validate-reqchk-byname', {
		errorMsg: function(element, props){
			return Form.Validator.getMsg('reqChkByName').substitute({label: props.label || element.get('type')});
		},
		test: function(element, props){
			var grpName = props.groupName || element.get('name');
			var oneCheckedItem = $$(document.getElementsByName(grpName)).some(function(item, index){
				return item.checked;
			});
			var fv = element.getParent('form').retrieve('validator');
			if (oneCheckedItem && fv) fv.resetField(element);
			return oneCheckedItem;
		}
	}],

	['validate-match', {
		errorMsg: function(element, props){
			return Form.Validator.getMsg('match').substitute({matchName: props.matchName || document.id(props.matchInput).get('name')});
		},
		test: function(element, props){
			var eleVal = element.get('value');
			var matchVal = document.id(props.matchInput) && document.id(props.matchInput).get('value');
			return eleVal && matchVal ? eleVal == matchVal : true;
		}
	}],

	['validate-after-date', {
		errorMsg: function(element, props){
			return Form.Validator.getMsg('afterDate').substitute({
				label: props.afterLabel || (props.afterElement ? Form.Validator.getMsg('startDate') : Form.Validator.getMsg('currentDate'))
			});
		},
		test: function(element, props){
			var start = document.id(props.afterElement) ? Date.parse(document.id(props.afterElement).get('value')) : new Date();
			var end = Date.parse(element.get('value'));
			return end && start ? end >= start : true;
		}
	}],

	['validate-before-date', {
		errorMsg: function(element, props){
			return Form.Validator.getMsg('beforeDate').substitute({
				label: props.beforeLabel || (props.beforeElement ? Form.Validator.getMsg('endDate') : Form.Validator.getMsg('currentDate'))
			});
		},
		test: function(element, props){
			var start = Date.parse(element.get('value'));
			var end = document.id(props.beforeElement) ? Date.parse(document.id(props.beforeElement).get('value')) : new Date();
			return end && start ? end >= start : true;
		}
	}],

	['validate-custom-required', {
		errorMsg: function(){
			return Form.Validator.getMsg('required');
		},
		test: function(element, props){
			return element.get('value') != props.emptyValue;
		}
	}],

	['validate-same-month', {
		errorMsg: function(element, props){
			var startMo = document.id(props.sameMonthAs) && document.id(props.sameMonthAs).get('value');
			var eleVal = element.get('value');
			if (eleVal != '') return Form.Validator.getMsg(startMo ? 'sameMonth' : 'startMonth');
		},
		test: function(element, props){
			var d1 = Date.parse(element.get('value'));
			var d2 = Date.parse(document.id(props.sameMonthAs) && document.id(props.sameMonthAs).get('value'));
			return d1 && d2 ? d1.format('%B') == d2.format('%B') : true;
		}
	}],


	['validate-cc-num', {
		errorMsg: function(element){
			var ccNum = element.get('value').replace(/[^0-9]/g, '');
			return Form.Validator.getMsg('creditcard').substitute({length: ccNum.length});
		},
		test: function(element){
			// required is a different test
			if (Form.Validator.getValidator('IsEmpty').test(element)) { return true; }

			// Clean number value
			var ccNum = element.get('value');
			ccNum = ccNum.replace(/[^0-9]/g, '');

			var valid_type = false;

			if (ccNum.test(/^4[0-9]{12}([0-9]{3})?$/)) valid_type = 'Visa';
			else if (ccNum.test(/^5[1-5]([0-9]{14})$/)) valid_type = 'Master Card';
			else if (ccNum.test(/^3[47][0-9]{13}$/)) valid_type = 'American Express';
			else if (ccNum.test(/^6011[0-9]{12}$/)) valid_type = 'Discover';

			if (valid_type) {
				var sum = 0;
				var cur = 0;

				for(var i=ccNum.length-1; i>=0; --i) {
					cur = ccNum.charAt(i).toInt();
					if (cur == 0) { continue; }

					if ((ccNum.length-i) % 2 == 0) { cur += cur; }
					if (cur > 9) { cur = cur.toString().charAt(0).toInt() + cur.toString().charAt(1).toInt(); }

					sum += cur;
				}
				if ((sum % 10) == 0) { return true; }
			}

			var chunks = '';
			while (ccNum != '') {
				chunks += ' ' + ccNum.substr(0,4);
				ccNum = ccNum.substr(4);
			}

			element.getParent('form').retrieve('validator').ignoreField(element);
			element.set('value', chunks.clean());
			element.getParent('form').retrieve('validator').enforceField(element);
			return false;
		}
	}]


]);

/*
---

script: OverText.js

description: Shows text over an input that disappears when the user clicks into it. The text remains hidden if the user adds a value.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Options
- core:1.2.4/Events
- core:1.2.4/Element.Event
- /Class.Binds
- /Class.Occlude
- /Element.Position
- /Element.Shortcuts

provides: [OverText]

...
*/

var OverText = new Class({

	Implements: [Options, Events, Class.Occlude],

	Binds: ['reposition', 'assert', 'focus', 'hide'],

	options: {/*
		textOverride: null,
		onFocus: $empty()
		onTextHide: $empty(textEl, inputEl),
		onTextShow: $empty(textEl, inputEl), */
		element: 'label',
		positionOptions: {
			position: 'upperLeft',
			edge: 'upperLeft',
			offset: {
				x: 4,
				y: 2
			}
		},
		poll: false,
		pollInterval: 250,
		wrap: false
	},

	property: 'OverText',

	initialize: function(element, options){
		this.element = document.id(element);
		if (this.occlude()) return this.occluded;
		this.setOptions(options);
		this.attach(this.element);
		OverText.instances.push(this);
		if (this.options.poll) this.poll();
		return this;
	},

	toElement: function(){
		return this.element;
	},

	attach: function(){
		var val = this.options.textOverride || this.element.get('alt') || this.element.get('title');
		if (!val) return;
		this.text = new Element(this.options.element, {
			'class': 'overTxtLabel',
			styles: {
				lineHeight: 'normal',
				position: 'absolute',
				cursor: 'text'
			},
			html: val,
			events: {
				click: this.hide.pass(this.options.element == 'label', this)
			}
		}).inject(this.element, 'after');
		if (this.options.element == 'label') {
			if (!this.element.get('id')) this.element.set('id', 'input_' + new Date().getTime());
			this.text.set('for', this.element.get('id'));
		}

		if (this.options.wrap) {
			this.textHolder = new Element('div', {
				styles: {
					lineHeight: 'normal',
					position: 'relative'
				},
				'class':'overTxtWrapper'
			}).adopt(this.text).inject(this.element, 'before');
		}

		this.element.addEvents({
			focus: this.focus,
			blur: this.assert,
			change: this.assert
		}).store('OverTextDiv', this.text);
		window.addEvent('resize', this.reposition.bind(this));
		this.assert(true);
		this.reposition();
	},

	wrap: function(){
		if (this.options.element == 'label') {
			if (!this.element.get('id')) this.element.set('id', 'input_' + new Date().getTime());
			this.text.set('for', this.element.get('id'));
		}
	},

	startPolling: function(){
		this.pollingPaused = false;
		return this.poll();
	},

	poll: function(stop){
		//start immediately
		//pause on focus
		//resumeon blur
		if (this.poller && !stop) return this;
		var test = function(){
			if (!this.pollingPaused) this.assert(true);
		}.bind(this);
		if (stop) $clear(this.poller);
		else this.poller = test.periodical(this.options.pollInterval, this);
		return this;
	},

	stopPolling: function(){
		this.pollingPaused = true;
		return this.poll(true);
	},

	focus: function(){
		if (this.text && (!this.text.isDisplayed() || this.element.get('disabled'))) return;
		this.hide();
	},

	hide: function(suppressFocus, force){
		if (this.text && (this.text.isDisplayed() && (!this.element.get('disabled') || force))){
			this.text.hide();
			this.fireEvent('textHide', [this.text, this.element]);
			this.pollingPaused = true;
			if (!suppressFocus){
				try {
					this.element.fireEvent('focus');
					this.element.focus();
				} catch(e){} //IE barfs if you call focus on hidden elements
			}
		}
		return this;
	},

	show: function(){
		if (this.text && !this.text.isDisplayed()){
			this.text.show();
			this.reposition();
			this.fireEvent('textShow', [this.text, this.element]);
			this.pollingPaused = false;
		}
		return this;
	},

	assert: function(suppressFocus){
		this[this.test() ? 'show' : 'hide'](suppressFocus);
	},

	test: function(){
		var v = this.element.get('value');
		return !v;
	},

	reposition: function(){
		this.assert(true);
		if (!this.element.isVisible()) return this.stopPolling().hide();
		if (this.text && this.test()) this.text.position($merge(this.options.positionOptions, {relativeTo: this.element}));
		return this;
	}

});

OverText.instances = [];

$extend(OverText, {

	each: function(fn) {
		return OverText.instances.map(function(ot, i){
			if (ot.element && ot.text) return fn.apply(OverText, [ot, i]);
			return null; //the input or the text was destroyed
		});
	},
	
	update: function(){

		return OverText.each(function(ot){
			return ot.reposition();
		});

	},

	hideAll: function(){

		return OverText.each(function(ot){
			return ot.hide(true, true);
		});

	},

	showAll: function(){
		return OverText.each(function(ot) {
			return ot.show();
		});
	}

});

if (window.Fx && Fx.Reveal) {
	Fx.Reveal.implement({
		hideInputs: Browser.Engine.trident ? 'select, input, textarea, object, embed, .overTxtLabel' : false
	});
}

/*
---

script: Fx.Elements.js

description: Effect to change any number of CSS properties of any number of Elements.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Fx.CSS
- /MooTools.More

provides: [Fx.Elements]

...
*/

Fx.Elements = new Class({

	Extends: Fx.CSS,

	initialize: function(elements, options){
		this.elements = this.subject = $$(elements);
		this.parent(options);
	},

	compute: function(from, to, delta){
		var now = {};
		for (var i in from){
			var iFrom = from[i], iTo = to[i], iNow = now[i] = {};
			for (var p in iFrom) iNow[p] = this.parent(iFrom[p], iTo[p], delta);
		}
		return now;
	},

	set: function(now){
		for (var i in now){
			var iNow = now[i];
			for (var p in iNow) this.render(this.elements[i], p, iNow[p], this.options.unit);
		}
		return this;
	},

	start: function(obj){
		if (!this.check(obj)) return this;
		var from = {}, to = {};
		for (var i in obj){
			var iProps = obj[i], iFrom = from[i] = {}, iTo = to[i] = {};
			for (var p in iProps){
				var parsed = this.prepare(this.elements[i], p, iProps[p]);
				iFrom[p] = parsed.from;
				iTo[p] = parsed.to;
			}
		}
		return this.parent(from, to);
	}

});

/*
---

script: Fx.Accordion.js

description: An Fx.Elements extension which allows you to easily create accordion type controls.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Element.Event
- /Fx.Elements

provides: [Fx.Accordion]

...
*/

Fx.Accordion = new Class({

	Extends: Fx.Elements,

	options: {/*
		onActive: $empty(toggler, section),
		onBackground: $empty(toggler, section),
		fixedHeight: false,
		fixedWidth: false,
		*/
		display: 0,
		show: false,
		height: true,
		width: false,
		opacity: true,
		alwaysHide: false,
		trigger: 'click',
		initialDisplayFx: true,
		returnHeightToAuto: true
	},

	initialize: function(){
		var params = Array.link(arguments, {
			'container': Element.type, //deprecated
			'options': Object.type,
			'togglers': $defined,
			'elements': $defined
		});
		this.parent(params.elements, params.options);
		this.togglers = $$(params.togglers);
		this.previous = -1;
		this.internalChain = new Chain();
		if (this.options.alwaysHide) this.options.wait = true;
		if ($chk(this.options.show)){
			this.options.display = false;
			this.previous = this.options.show;
		}
		if (this.options.start){
			this.options.display = false;
			this.options.show = false;
		}
		this.effects = {};
		if (this.options.opacity) this.effects.opacity = 'fullOpacity';
		if (this.options.width) this.effects.width = this.options.fixedWidth ? 'fullWidth' : 'offsetWidth';
		if (this.options.height) this.effects.height = this.options.fixedHeight ? 'fullHeight' : 'scrollHeight';
		for (var i = 0, l = this.togglers.length; i < l; i++) this.addSection(this.togglers[i], this.elements[i]);
		this.elements.each(function(el, i){
			if (this.options.show === i){
				this.fireEvent('active', [this.togglers[i], el]);
			} else {
				for (var fx in this.effects) el.setStyle(fx, 0);
			}
		}, this);
		if ($chk(this.options.display) || this.options.initialDisplayFx === false) this.display(this.options.display, this.options.initialDisplayFx);
		if (this.options.fixedHeight !== false) this.options.returnHeightToAuto = false;
		this.addEvent('complete', this.internalChain.callChain.bind(this.internalChain));
	},

	addSection: function(toggler, element){
		toggler = document.id(toggler);
		element = document.id(element);
		var test = this.togglers.contains(toggler);
		this.togglers.include(toggler);
		this.elements.include(element);
		var idx = this.togglers.indexOf(toggler);
		var displayer = this.display.bind(this, idx);
		toggler.store('accordion:display', displayer);
		toggler.addEvent(this.options.trigger, displayer);
		if (this.options.height) element.setStyles({'padding-top': 0, 'border-top': 'none', 'padding-bottom': 0, 'border-bottom': 'none'});
		if (this.options.width) element.setStyles({'padding-left': 0, 'border-left': 'none', 'padding-right': 0, 'border-right': 'none'});
		element.fullOpacity = 1;
		if (this.options.fixedWidth) element.fullWidth = this.options.fixedWidth;
		if (this.options.fixedHeight) element.fullHeight = this.options.fixedHeight;
		element.setStyle('overflow', 'hidden');
		if (!test){
			for (var fx in this.effects) element.setStyle(fx, 0);
		}
		return this;
	},

	detach: function(){
		this.togglers.each(function(toggler) {
			toggler.removeEvent(this.options.trigger, toggler.retrieve('accordion:display'));
		}, this);
	},

	display: function(index, useFx){
		if (!this.check(index, useFx)) return this;
		useFx = $pick(useFx, true);
		if (this.options.returnHeightToAuto){
			var prev = this.elements[this.previous];
			if (prev && !this.selfHidden){
				for (var fx in this.effects){
					prev.setStyle(fx, prev[this.effects[fx]]);
				}
			}
		}
		index = ($type(index) == 'element') ? this.elements.indexOf(index) : index;
		if ((this.timer && this.options.wait) || (index === this.previous && !this.options.alwaysHide)) return this;
		this.previous = index;
		var obj = {};
		this.elements.each(function(el, i){
			obj[i] = {};
			var hide;
			if (i != index){
				hide = true;
			} else if (this.options.alwaysHide && ((el.offsetHeight > 0 && this.options.height) || el.offsetWidth > 0 && this.options.width)){
				hide = true;
				this.selfHidden = true;
			}
			this.fireEvent(hide ? 'background' : 'active', [this.togglers[i], el]);
			for (var fx in this.effects) obj[i][fx] = hide ? 0 : el[this.effects[fx]];
		}, this);
		this.internalChain.chain(function(){
			if (this.options.returnHeightToAuto && !this.selfHidden){
				var el = this.elements[index];
				if (el) el.setStyle('height', 'auto');
			};
		}.bind(this));
		return useFx ? this.start(obj) : this.set(obj);
	}

});

/*
	Compatibility with 1.2.0
*/
var Accordion = new Class({

	Extends: Fx.Accordion,

	initialize: function(){
		this.parent.apply(this, arguments);
		var params = Array.link(arguments, {'container': Element.type});
		this.container = params.container;
	},

	addSection: function(toggler, element, pos){
		toggler = document.id(toggler);
		element = document.id(element);
		var test = this.togglers.contains(toggler);
		var len = this.togglers.length;
		if (len && (!test || pos)){
			pos = $pick(pos, len - 1);
			toggler.inject(this.togglers[pos], 'before');
			element.inject(toggler, 'after');
		} else if (this.container && !test){
			toggler.inject(this.container);
			element.inject(this.container);
		}
		return this.parent.apply(this, arguments);
	}

});

/*
---

script: Fx.Move.js

description: Defines Fx.Move, a class that works with Element.Position.js to transition an element from one location to another.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Fx.Morph
- /Element.Position

provides: [Fx.Move]

...
*/

Fx.Move = new Class({

	Extends: Fx.Morph,

	options: {
		relativeTo: document.body,
		position: 'center',
		edge: false,
		offset: {x: 0, y: 0}
	},

	start: function(destination){
		return this.parent(this.element.position($merge(this.options, destination, {returnPos: true})));
	}

});

Element.Properties.move = {

	set: function(options){
		var morph = this.retrieve('move');
		if (morph) morph.cancel();
		return this.eliminate('move').store('move:options', $extend({link: 'cancel'}, options));
	},

	get: function(options){
		if (options || !this.retrieve('move')){
			if (options || !this.retrieve('move:options')) this.set('move', options);
			this.store('move', new Fx.Move(this, this.retrieve('move:options')));
		}
		return this.retrieve('move');
	}

};

Element.implement({

	move: function(options){
		this.get('move').start(options);
		return this;
	}

});


/*
---

script: Fx.Reveal.js

description: Defines Fx.Reveal, a class that shows and hides elements with a transition.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Fx.Morph
- /Element.Shortcuts
- /Element.Measure

provides: [Fx.Reveal]

...
*/

Fx.Reveal = new Class({

	Extends: Fx.Morph,

	options: {/*	  
		onShow: $empty(thisElement),
		onHide: $empty(thisElement),
		onComplete: $empty(thisElement),
		heightOverride: null,
		widthOverride: null, */
		link: 'cancel',
		styles: ['padding', 'border', 'margin'],
		transitionOpacity: !Browser.Engine.trident4,
		mode: 'vertical',
		display: 'block',
		hideInputs: Browser.Engine.trident ? 'select, input, textarea, object, embed' : false
	},

	dissolve: function(){
		try {
			if (!this.hiding && !this.showing){
				if (this.element.getStyle('display') != 'none'){
					this.hiding = true;
					this.showing = false;
					this.hidden = true;
					this.cssText = this.element.style.cssText;
					var startStyles = this.element.getComputedSize({
						styles: this.options.styles,
						mode: this.options.mode
					});
					this.element.setStyle('display', this.options.display);
					if (this.options.transitionOpacity) startStyles.opacity = 1;
					var zero = {};
					$each(startStyles, function(style, name){
						zero[name] = [style, 0];
					}, this);
					this.element.setStyle('overflow', 'hidden');
					var hideThese = this.options.hideInputs ? this.element.getElements(this.options.hideInputs) : null;
					this.$chain.unshift(function(){
						if (this.hidden){
							this.hiding = false;
							$each(startStyles, function(style, name){
								startStyles[name] = style;
							}, this);
							this.element.style.cssText = this.cssText;
							this.element.setStyle('display', 'none');
							if (hideThese) hideThese.setStyle('visibility', 'visible');
						}
						this.fireEvent('hide', this.element);
						this.callChain();
					}.bind(this));
					if (hideThese) hideThese.setStyle('visibility', 'hidden');
					this.start(zero);
				} else {
					this.callChain.delay(10, this);
					this.fireEvent('complete', this.element);
					this.fireEvent('hide', this.element);
				}
			} else if (this.options.link == 'chain'){
				this.chain(this.dissolve.bind(this));
			} else if (this.options.link == 'cancel' && !this.hiding){
				this.cancel();
				this.dissolve();
			}
		} catch(e){
			this.hiding = false;
			this.element.setStyle('display', 'none');
			this.callChain.delay(10, this);
			this.fireEvent('complete', this.element);
			this.fireEvent('hide', this.element);
		}
		return this;
	},

	reveal: function(){
		try {
			if (!this.showing && !this.hiding){
				if (this.element.getStyle('display') == 'none' ||
					 this.element.getStyle('visiblity') == 'hidden' ||
					 this.element.getStyle('opacity') == 0){
					this.showing = true;
					this.hiding = this.hidden =  false;
					var startStyles;
					this.cssText = this.element.style.cssText;
					//toggle display, but hide it
					this.element.measure(function(){
						//create the styles for the opened/visible state
						startStyles = this.element.getComputedSize({
							styles: this.options.styles,
							mode: this.options.mode
						});
					}.bind(this));
					$each(startStyles, function(style, name){
						startStyles[name] = style;
					});
					//if we're overridding height/width
					if ($chk(this.options.heightOverride)) startStyles.height = this.options.heightOverride.toInt();
					if ($chk(this.options.widthOverride)) startStyles.width = this.options.widthOverride.toInt();
					if (this.options.transitionOpacity) {
						this.element.setStyle('opacity', 0);
						startStyles.opacity = 1;
					}
					//create the zero state for the beginning of the transition
					var zero = {
						height: 0,
						display: this.options.display
					};
					$each(startStyles, function(style, name){ zero[name] = 0; });
					//set to zero
					this.element.setStyles($merge(zero, {overflow: 'hidden'}));
					//hide inputs
					var hideThese = this.options.hideInputs ? this.element.getElements(this.options.hideInputs) : null;
					if (hideThese) hideThese.setStyle('visibility', 'hidden');
					//start the effect
					this.start(startStyles);
					this.$chain.unshift(function(){
						this.element.style.cssText = this.cssText;
						this.element.setStyle('display', this.options.display);
						if (!this.hidden) this.showing = false;
						if (hideThese) hideThese.setStyle('visibility', 'visible');
						this.callChain();
						this.fireEvent('show', this.element);
					}.bind(this));
				} else {
					this.callChain();
					this.fireEvent('complete', this.element);
					this.fireEvent('show', this.element);
				}
			} else if (this.options.link == 'chain'){
				this.chain(this.reveal.bind(this));
			} else if (this.options.link == 'cancel' && !this.showing){
				this.cancel();
				this.reveal();
			}
		} catch(e){
			this.element.setStyles({
				display: this.options.display,
				visiblity: 'visible',
				opacity: 1
			});
			this.showing = false;
			this.callChain.delay(10, this);
			this.fireEvent('complete', this.element);
			this.fireEvent('show', this.element);
		}
		return this;
	},

	toggle: function(){
		if (this.element.getStyle('display') == 'none' ||
			 this.element.getStyle('visiblity') == 'hidden' ||
			 this.element.getStyle('opacity') == 0){
			this.reveal();
		} else {
			this.dissolve();
		}
		return this;
	},

	cancel: function(){
		this.parent.apply(this, arguments);
		this.element.style.cssText = this.cssText;
		this.hidding = false;
		this.showing = false;
	}

});

Element.Properties.reveal = {

	set: function(options){
		var reveal = this.retrieve('reveal');
		if (reveal) reveal.cancel();
		return this.eliminate('reveal').store('reveal:options', options);
	},

	get: function(options){
		if (options || !this.retrieve('reveal')){
			if (options || !this.retrieve('reveal:options')) this.set('reveal', options);
			this.store('reveal', new Fx.Reveal(this, this.retrieve('reveal:options')));
		}
		return this.retrieve('reveal');
	}

};

Element.Properties.dissolve = Element.Properties.reveal;

Element.implement({

	reveal: function(options){
		this.get('reveal', options).reveal();
		return this;
	},

	dissolve: function(options){
		this.get('reveal', options).dissolve();
		return this;
	},

	nix: function(){
		var params = Array.link(arguments, {destroy: Boolean.type, options: Object.type});
		this.get('reveal', params.options).dissolve().chain(function(){
			this[params.destroy ? 'destroy' : 'dispose']();
		}.bind(this));
		return this;
	},

	wink: function(){
		var params = Array.link(arguments, {duration: Number.type, options: Object.type});
		var reveal = this.get('reveal', params.options);
		reveal.reveal().chain(function(){
			(function(){
				reveal.dissolve();
			}).delay(params.duration || 2000);
		});
	}


});

/*
---

script: Fx.Scroll.js

description: Effect to smoothly scroll any element, including the window.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Fx
- core:1.2.4/Element.Event
- core:1.2.4/Element.Dimensions
- /MooTools.More

provides: [Fx.Scroll]

...
*/

Fx.Scroll = new Class({

	Extends: Fx,

	options: {
		offset: {x: 0, y: 0},
		wheelStops: true
	},

	initialize: function(element, options){
		this.element = this.subject = document.id(element);
		this.parent(options);
		var cancel = this.cancel.bind(this, false);

		if ($type(this.element) != 'element') this.element = document.id(this.element.getDocument().body);

		var stopper = this.element;

		if (this.options.wheelStops){
			this.addEvent('start', function(){
				stopper.addEvent('mousewheel', cancel);
			}, true);
			this.addEvent('complete', function(){
				stopper.removeEvent('mousewheel', cancel);
			}, true);
		}
	},

	set: function(){
		var now = Array.flatten(arguments);
		if (Browser.Engine.gecko) now = [Math.round(now[0]), Math.round(now[1])];
		this.element.scrollTo(now[0], now[1]);
	},

	compute: function(from, to, delta){
		return [0, 1].map(function(i){
			return Fx.compute(from[i], to[i], delta);
		});
	},

	start: function(x, y){
		if (!this.check(x, y)) return this;
		var scrollSize = this.element.getScrollSize(),
			scroll = this.element.getScroll(), 
			values = {x: x, y: y};
		for (var z in values){
			var max = scrollSize[z];
			if ($chk(values[z])) values[z] = ($type(values[z]) == 'number') ? values[z] : max;
			else values[z] = scroll[z];
			values[z] += this.options.offset[z];
		}
		return this.parent([scroll.x, scroll.y], [values.x, values.y]);
	},

	toTop: function(){
		return this.start(false, 0);
	},

	toLeft: function(){
		return this.start(0, false);
	},

	toRight: function(){
		return this.start('right', false);
	},

	toBottom: function(){
		return this.start(false, 'bottom');
	},

	toElement: function(el){
		var position = document.id(el).getPosition(this.element);
		return this.start(position.x, position.y);
	},

	scrollIntoView: function(el, axes, offset){
		axes = axes ? $splat(axes) : ['x','y'];
		var to = {};
		el = document.id(el);
		var pos = el.getPosition(this.element);
		var size = el.getSize();
		var scroll = this.element.getScroll();
		var containerSize = this.element.getSize();
		var edge = {
			x: pos.x + size.x,
			y: pos.y + size.y
		};
		['x','y'].each(function(axis) {
			if (axes.contains(axis)) {
				if (edge[axis] > scroll[axis] + containerSize[axis]) to[axis] = edge[axis] - containerSize[axis];
				if (pos[axis] < scroll[axis]) to[axis] = pos[axis];
			}
			if (to[axis] == null) to[axis] = scroll[axis];
			if (offset && offset[axis]) to[axis] = to[axis] + offset[axis];
		}, this);
		if (to.x != scroll.x || to.y != scroll.y) this.start(to.x, to.y);
		return this;
	},

	scrollToCenter: function(el, axes, offset){
		axes = axes ? $splat(axes) : ['x', 'y'];
		el = $(el);
		var to = {},
			pos = el.getPosition(this.element),
			size = el.getSize(),
			scroll = this.element.getScroll(),
			containerSize = this.element.getSize(),
			edge = {
				x: pos.x + size.x,
				y: pos.y + size.y
			};

		['x','y'].each(function(axis){
			if(axes.contains(axis)){
				to[axis] = pos[axis] - (containerSize[axis] - size[axis])/2;
			}
			if(to[axis] == null) to[axis] = scroll[axis];
			if(offset && offset[axis]) to[axis] = to[axis] + offset[axis];
		}, this);
		if (to.x != scroll.x || to.y != scroll.y) this.start(to.x, to.y);
		return this;
	}

});


/*
---

script: Fx.Slide.js

description: Effect to slide an element in and out of view.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Fx Element.Style
- /MooTools.More

provides: [Fx.Slide]

...
*/

Fx.Slide = new Class({

	Extends: Fx,

	options: {
		mode: 'vertical',
		wrapper: false,
		hideOverflow: true
	},

	initialize: function(element, options){
		this.addEvent('complete', function(){
			this.open = (this.wrapper['offset' + this.layout.capitalize()] != 0);
			if (this.open) this.wrapper.setStyle('height', '');
			if (this.open && Browser.Engine.webkit419) this.element.dispose().inject(this.wrapper);
		}, true);
		this.element = this.subject = document.id(element);
		this.parent(options);
		var wrapper = this.element.retrieve('wrapper');
		var styles = this.element.getStyles('margin', 'position', 'overflow');
		if (this.options.hideOverflow) styles = $extend(styles, {overflow: 'hidden'});
		if (this.options.wrapper) wrapper = document.id(this.options.wrapper).setStyles(styles);
		this.wrapper = wrapper || new Element('div', {
			styles: styles
		}).wraps(this.element);
		this.element.store('wrapper', this.wrapper).setStyle('margin', 0);
		this.now = [];
		this.open = true;
	},

	vertical: function(){
		this.margin = 'margin-top';
		this.layout = 'height';
		this.offset = this.element.offsetHeight;
	},

	horizontal: function(){
		this.margin = 'margin-left';
		this.layout = 'width';
		this.offset = this.element.offsetWidth;
	},

	set: function(now){
		this.element.setStyle(this.margin, now[0]);
		this.wrapper.setStyle(this.layout, now[1]);
		return this;
	},

	compute: function(from, to, delta){
		return [0, 1].map(function(i){
			return Fx.compute(from[i], to[i], delta);
		});
	},

	start: function(how, mode){
		if (!this.check(how, mode)) return this;
		this[mode || this.options.mode]();
		var margin = this.element.getStyle(this.margin).toInt();
		var layout = this.wrapper.getStyle(this.layout).toInt();
		var caseIn = [[margin, layout], [0, this.offset]];
		var caseOut = [[margin, layout], [-this.offset, 0]];
		var start;
		switch (how){
			case 'in': start = caseIn; break;
			case 'out': start = caseOut; break;
			case 'toggle': start = (layout == 0) ? caseIn : caseOut;
		}
		return this.parent(start[0], start[1]);
	},

	slideIn: function(mode){
		return this.start('in', mode);
	},

	slideOut: function(mode){
		return this.start('out', mode);
	},

	hide: function(mode){
		this[mode || this.options.mode]();
		this.open = false;
		return this.set([-this.offset, 0]);
	},

	show: function(mode){
		this[mode || this.options.mode]();
		this.open = true;
		return this.set([0, this.offset]);
	},

	toggle: function(mode){
		return this.start('toggle', mode);
	}

});

Element.Properties.slide = {

	set: function(options){
		var slide = this.retrieve('slide');
		if (slide) slide.cancel();
		return this.eliminate('slide').store('slide:options', $extend({link: 'cancel'}, options));
	},

	get: function(options){
		if (options || !this.retrieve('slide')){
			if (options || !this.retrieve('slide:options')) this.set('slide', options);
			this.store('slide', new Fx.Slide(this, this.retrieve('slide:options')));
		}
		return this.retrieve('slide');
	}

};

Element.implement({

	slide: function(how, mode){
		how = how || 'toggle';
		var slide = this.get('slide'), toggle;
		switch (how){
			case 'hide': slide.hide(mode); break;
			case 'show': slide.show(mode); break;
			case 'toggle':
				var flag = this.retrieve('slide:flag', slide.open);
				slide[flag ? 'slideOut' : 'slideIn'](mode);
				this.store('slide:flag', !flag);
				toggle = true;
			break;
			default: slide.start(how, mode);
		}
		if (!toggle) this.eliminate('slide:flag');
		return this;
	}

});


/*
---

script: Fx.SmoothScroll.js

description: Class for creating a smooth scrolling effect to all internal links on the page.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Selectors
- /Fx.Scroll

provides: [Fx.SmoothScroll]

...
*/

var SmoothScroll = Fx.SmoothScroll = new Class({

	Extends: Fx.Scroll,

	initialize: function(options, context){
		context = context || document;
		this.doc = context.getDocument();
		var win = context.getWindow();
		this.parent(this.doc, options);
		this.links = $$(this.options.links || this.doc.links);
		var location = win.location.href.match(/^[^#]*/)[0] + '#';
		this.links.each(function(link){
			if (link.href.indexOf(location) != 0) {return;}
			var anchor = link.href.substr(location.length);
			if (anchor) this.useLink(link, anchor);
		}, this);
		if (!Browser.Engine.webkit419) {
			this.addEvent('complete', function(){
				win.location.hash = this.anchor;
			}, true);
		}
	},

	useLink: function(link, anchor){
		var el;
		link.addEvent('click', function(event){
			if (el !== false && !el) el = document.id(anchor) || this.doc.getElement('a[name=' + anchor + ']');
			if (el) {
				event.preventDefault();
				this.anchor = anchor;
				this.toElement(el).chain(function(){
					this.fireEvent('scrolledTo', [link, el]);
				}.bind(this));
				link.blur();
			}
		}.bind(this));
	}
});

/*
---

script: Fx.Sort.js

description: Defines Fx.Sort, a class that reorders lists with a transition.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element.Dimensions
- /Fx.Elements
- /Element.Measure

provides: [Fx.Sort]

...
*/

Fx.Sort = new Class({

	Extends: Fx.Elements,

	options: {
		mode: 'vertical'
	},

	initialize: function(elements, options){
		this.parent(elements, options);
		this.elements.each(function(el){
			if (el.getStyle('position') == 'static') el.setStyle('position', 'relative');
		});
		this.setDefaultOrder();
	},

	setDefaultOrder: function(){
		this.currentOrder = this.elements.map(function(el, index){
			return index;
		});
	},

	sort: function(newOrder){
		if ($type(newOrder) != 'array') return false;
		var top = 0,
			left = 0,
			next = {},
			zero = {},
			vert = this.options.mode == 'vertical';
		var current = this.elements.map(function(el, index){
			var size = el.getComputedSize({styles: ['border', 'padding', 'margin']});
			var val;
			if (vert){
				val = {
					top: top,
					margin: size['margin-top'],
					height: size.totalHeight
				};
				top += val.height - size['margin-top'];
			} else {
				val = {
					left: left,
					margin: size['margin-left'],
					width: size.totalWidth
				};
				left += val.width;
			}
			var plain = vert ? 'top' : 'left';
			zero[index] = {};
			var start = el.getStyle(plain).toInt();
			zero[index][plain] = start || 0;
			return val;
		}, this);
		this.set(zero);
		newOrder = newOrder.map(function(i){ return i.toInt(); });
		if (newOrder.length != this.elements.length){
			this.currentOrder.each(function(index){
				if (!newOrder.contains(index)) newOrder.push(index);
			});
			if (newOrder.length > this.elements.length)
				newOrder.splice(this.elements.length-1, newOrder.length - this.elements.length);
		}
		var margin = top = left = 0;
		newOrder.each(function(item, index){
			var newPos = {};
			if (vert){
				newPos.top = top - current[item].top - margin;
				top += current[item].height;
			} else {
				newPos.left = left - current[item].left;
				left += current[item].width;
			}
			margin = margin + current[item].margin;
			next[item]=newPos;
		}, this);
		var mapped = {};
		$A(newOrder).sort().each(function(index){
			mapped[index] = next[index];
		});
		this.start(mapped);
		this.currentOrder = newOrder;
		return this;
	},

	rearrangeDOM: function(newOrder){
		newOrder = newOrder || this.currentOrder;
		var parent = this.elements[0].getParent();
		var rearranged = [];
		this.elements.setStyle('opacity', 0);
		//move each element and store the new default order
		newOrder.each(function(index){
			rearranged.push(this.elements[index].inject(parent).setStyles({
				top: 0,
				left: 0
			}));
		}, this);
		this.elements.setStyle('opacity', 1);
		this.elements = $$(rearranged);
		this.setDefaultOrder();
		return this;
	},

	getDefaultOrder: function(){
		return this.elements.map(function(el, index){
			return index;
		});
	},

	forward: function(){
		return this.sort(this.getDefaultOrder());
	},

	backward: function(){
		return this.sort(this.getDefaultOrder().reverse());
	},

	reverse: function(){
		return this.sort(this.currentOrder.reverse());
	},

	sortByElements: function(elements){
		return this.sort(elements.map(function(el){
			return this.elements.indexOf(el);
		}, this));
	},

	swap: function(one, two){
		if ($type(one) == 'element') one = this.elements.indexOf(one);
		if ($type(two) == 'element') two = this.elements.indexOf(two);
		
		var newOrder = $A(this.currentOrder);
		newOrder[this.currentOrder.indexOf(one)] = two;
		newOrder[this.currentOrder.indexOf(two)] = one;
		return this.sort(newOrder);
	}

});

/*
---

script: Drag.js

description: The base Drag Class. Can be used to drag and resize Elements using mouse events.

license: MIT-style license

authors:
- Valerio Proietti
- Tom Occhinno
- Jan Kassens

requires:
- core:1.2.4/Events
- core:1.2.4/Options
- core:1.2.4/Element.Event
- core:1.2.4/Element.Style
- /MooTools.More

provides: [Drag]

*/

var Drag = new Class({

	Implements: [Events, Options],

	options: {/*
		onBeforeStart: $empty(thisElement),
		onStart: $empty(thisElement, event),
		onSnap: $empty(thisElement)
		onDrag: $empty(thisElement, event),
		onCancel: $empty(thisElement),
		onComplete: $empty(thisElement, event),*/
		snap: 6,
		unit: 'px',
		grid: false,
		style: true,
		limit: false,
		handle: false,
		invert: false,
		preventDefault: false,
		stopPropagation: false,
		modifiers: {x: 'left', y: 'top'}
	},

	initialize: function(){
		var params = Array.link(arguments, {'options': Object.type, 'element': $defined});
		this.element = document.id(params.element);
		this.document = this.element.getDocument();
		this.setOptions(params.options || {});
		var htype = $type(this.options.handle);
		this.handles = ((htype == 'array' || htype == 'collection') ? $$(this.options.handle) : document.id(this.options.handle)) || this.element;
		this.mouse = {'now': {}, 'pos': {}};
		this.value = {'start': {}, 'now': {}};

		this.selection = (Browser.Engine.trident) ? 'selectstart' : 'mousedown';

		this.bound = {
			start: this.start.bind(this),
			check: this.check.bind(this),
			drag: this.drag.bind(this),
			stop: this.stop.bind(this),
			cancel: this.cancel.bind(this),
			eventStop: $lambda(false)
		};
		this.attach();
	},

	attach: function(){
		this.handles.addEvent('mousedown', this.bound.start);
		return this;
	},

	detach: function(){
		this.handles.removeEvent('mousedown', this.bound.start);
		return this;
	},

	start: function(event){
		if (event.rightClick) return;
		if (this.options.preventDefault) event.preventDefault();
		if (this.options.stopPropagation) event.stopPropagation();
		this.mouse.start = event.page;
		this.fireEvent('beforeStart', this.element);
		var limit = this.options.limit;
		this.limit = {x: [], y: []};
		for (var z in this.options.modifiers){
			if (!this.options.modifiers[z]) continue;
			if (this.options.style) this.value.now[z] = this.element.getStyle(this.options.modifiers[z]).toInt();
			else this.value.now[z] = this.element[this.options.modifiers[z]];
			if (this.options.invert) this.value.now[z] *= -1;
			this.mouse.pos[z] = event.page[z] - this.value.now[z];
			if (limit && limit[z]){
				for (var i = 2; i--; i){
					if ($chk(limit[z][i])) this.limit[z][i] = $lambda(limit[z][i])();
				}
			}
		}
		if ($type(this.options.grid) == 'number') this.options.grid = {x: this.options.grid, y: this.options.grid};
		this.document.addEvents({mousemove: this.bound.check, mouseup: this.bound.cancel});
		this.document.addEvent(this.selection, this.bound.eventStop);
	},

	check: function(event){
		if (this.options.preventDefault) event.preventDefault();
		var distance = Math.round(Math.sqrt(Math.pow(event.page.x - this.mouse.start.x, 2) + Math.pow(event.page.y - this.mouse.start.y, 2)));
		if (distance > this.options.snap){
			this.cancel();
			this.document.addEvents({
				mousemove: this.bound.drag,
				mouseup: this.bound.stop
			});
			this.fireEvent('start', [this.element, event]).fireEvent('snap', this.element);
		}
	},

	drag: function(event){
		if (this.options.preventDefault) event.preventDefault();
		this.mouse.now = event.page;
		for (var z in this.options.modifiers){
			if (!this.options.modifiers[z]) continue;
			this.value.now[z] = this.mouse.now[z] - this.mouse.pos[z];
			if (this.options.invert) this.value.now[z] *= -1;
			if (this.options.limit && this.limit[z]){
				if ($chk(this.limit[z][1]) && (this.value.now[z] > this.limit[z][1])){
					this.value.now[z] = this.limit[z][1];
				} else if ($chk(this.limit[z][0]) && (this.value.now[z] < this.limit[z][0])){
					this.value.now[z] = this.limit[z][0];
				}
			}
			if (this.options.grid[z]) this.value.now[z] -= ((this.value.now[z] - (this.limit[z][0]||0)) % this.options.grid[z]);
			if (this.options.style) {
				this.element.setStyle(this.options.modifiers[z], this.value.now[z] + this.options.unit);
			} else {
				this.element[this.options.modifiers[z]] = this.value.now[z];
			}
		}
		this.fireEvent('drag', [this.element, event]);
	},

	cancel: function(event){
		this.document.removeEvent('mousemove', this.bound.check);
		this.document.removeEvent('mouseup', this.bound.cancel);
		if (event){
			this.document.removeEvent(this.selection, this.bound.eventStop);
			this.fireEvent('cancel', this.element);
		}
	},

	stop: function(event){
		this.document.removeEvent(this.selection, this.bound.eventStop);
		this.document.removeEvent('mousemove', this.bound.drag);
		this.document.removeEvent('mouseup', this.bound.stop);
		if (event) this.fireEvent('complete', [this.element, event]);
	}

});

Element.implement({

	makeResizable: function(options){
		var drag = new Drag(this, $merge({modifiers: {x: 'width', y: 'height'}}, options));
		this.store('resizer', drag);
		return drag.addEvent('drag', function(){
			this.fireEvent('resize', drag);
		}.bind(this));
	}

});


/*
---

script: Drag.Move.js

description: A Drag extension that provides support for the constraining of draggables to containers and droppables.

license: MIT-style license

authors:
- Valerio Proietti
- Tom Occhinno
- Jan Kassens
- Aaron Newton
- Scott Kyle

requires:
- core:1.2.4/Element.Dimensions
- /Drag

provides: [Drag.Move]

...
*/

Drag.Move = new Class({

	Extends: Drag,

	options: {/*
		onEnter: $empty(thisElement, overed),
		onLeave: $empty(thisElement, overed),
		onDrop: $empty(thisElement, overed, event),*/
		droppables: [],
		container: false,
		precalculate: false,
		includeMargins: true,
		checkDroppables: true
	},

	initialize: function(element, options){
		this.parent(element, options);
		element = this.element;
		
		this.droppables = $$(this.options.droppables);
		this.container = document.id(this.options.container);
		
		if (this.container && $type(this.container) != 'element')
			this.container = document.id(this.container.getDocument().body);
		
		var styles = element.getStyles('left', 'top', 'position');
		if (styles.left == 'auto' || styles.top == 'auto')
			element.setPosition(element.getPosition(element.getOffsetParent()));
		
		if (styles.position == 'static')
			element.setStyle('position', 'absolute');

		this.addEvent('start', this.checkDroppables, true);

		this.overed = null;
	},

	start: function(event){
		if (this.container) this.options.limit = this.calculateLimit();
		
		if (this.options.precalculate){
			this.positions = this.droppables.map(function(el){
				return el.getCoordinates();
			});
		}
		
		this.parent(event);
	},
	
	calculateLimit: function(){
		var offsetParent = this.element.getOffsetParent(),
			containerCoordinates = this.container.getCoordinates(offsetParent),
			containerBorder = {},
			elementMargin = {},
			elementBorder = {},
			containerMargin = {},
			offsetParentPadding = {};

		['top', 'right', 'bottom', 'left'].each(function(pad){
			containerBorder[pad] = this.container.getStyle('border-' + pad).toInt();
			elementBorder[pad] = this.element.getStyle('border-' + pad).toInt();
			elementMargin[pad] = this.element.getStyle('margin-' + pad).toInt();
			containerMargin[pad] = this.container.getStyle('margin-' + pad).toInt();
			offsetParentPadding[pad] = offsetParent.getStyle('padding-' + pad).toInt();
		}, this);

		var width = this.element.offsetWidth + elementMargin.left + elementMargin.right,
			height = this.element.offsetHeight + elementMargin.top + elementMargin.bottom,
			left = 0,
			top = 0,
			right = containerCoordinates.right - containerBorder.right - width,
			bottom = containerCoordinates.bottom - containerBorder.bottom - height;

		if (this.options.includeMargins){
			left += elementMargin.left;
			top += elementMargin.top;
		} else {
			right += elementMargin.right;
			bottom += elementMargin.bottom;
		}
		
		if (this.element.getStyle('position') == 'relative'){
			var coords = this.element.getCoordinates(offsetParent);
			coords.left -= this.element.getStyle('left').toInt();
			coords.top -= this.element.getStyle('top').toInt();
			
			left += containerBorder.left - coords.left;
			top += containerBorder.top - coords.top;
			right += elementMargin.left - coords.left;
			bottom += elementMargin.top - coords.top;
			
			if (this.container != offsetParent){
				left += containerMargin.left + offsetParentPadding.left;
				top += (Browser.Engine.trident4 ? 0 : containerMargin.top) + offsetParentPadding.top;
			}
		} else {
			left -= elementMargin.left;
			top -= elementMargin.top;
			
			if (this.container == offsetParent){
				right -= containerBorder.left;
				bottom -= containerBorder.top;
			} else {
				left += containerCoordinates.left + containerBorder.left;
				top += containerCoordinates.top + containerBorder.top;
			}
		}
		
		return {
			x: [left, right],
			y: [top, bottom]
		};
	},

	checkAgainst: function(el, i){
		el = (this.positions) ? this.positions[i] : el.getCoordinates();
		var now = this.mouse.now;
		return (now.x > el.left && now.x < el.right && now.y < el.bottom && now.y > el.top);
	},

	checkDroppables: function(){
		var overed = this.droppables.filter(this.checkAgainst, this).getLast();
		if (this.overed != overed){
			if (this.overed) this.fireEvent('leave', [this.element, this.overed]);
			if (overed) this.fireEvent('enter', [this.element, overed]);
			this.overed = overed;
		}
	},

	drag: function(event){
		this.parent(event);
		if (this.options.checkDroppables && this.droppables.length) this.checkDroppables();
	},

	stop: function(event){
		this.checkDroppables();
		this.fireEvent('drop', [this.element, this.overed, event]);
		this.overed = null;
		return this.parent(event);
	}

});

Element.implement({

	makeDraggable: function(options){
		var drag = new Drag.Move(this, options);
		this.store('dragger', drag);
		return drag;
	}

});


/*
---

script: Slider.js

description: Class for creating horizontal and vertical slider controls.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Element.Dimensions
- /Class.Binds
- /Drag
- /Element.Dimensions
- /Element.Measure

provides: [Slider]

...
*/

var Slider = new Class({

	Implements: [Events, Options],

	Binds: ['clickedElement', 'draggedKnob', 'scrolledElement'],

	options: {/*
		onTick: $empty(intPosition),
		onChange: $empty(intStep),
		onComplete: $empty(strStep),*/
		onTick: function(position){
			if (this.options.snap) position = this.toPosition(this.step);
			this.knob.setStyle(this.property, position);
		},
		initialStep: 0,
		snap: false,
		offset: 0,
		range: false,
		wheel: false,
		steps: 100,
		mode: 'horizontal'
	},

	initialize: function(element, knob, options){
		this.setOptions(options);
		this.element = document.id(element);
		this.knob = document.id(knob);
		this.previousChange = this.previousEnd = this.step = -1;
		var offset, limit = {}, modifiers = {'x': false, 'y': false};
		switch (this.options.mode){
			case 'vertical':
				this.axis = 'y';
				this.property = 'top';
				offset = 'offsetHeight';
				break;
			case 'horizontal':
				this.axis = 'x';
				this.property = 'left';
				offset = 'offsetWidth';
		}
		
		this.full = this.element.measure(function(){ 
			this.half = this.knob[offset] / 2; 
			return this.element[offset] - this.knob[offset] + (this.options.offset * 2); 
		}.bind(this));
		
		this.min = $chk(this.options.range[0]) ? this.options.range[0] : 0;
		this.max = $chk(this.options.range[1]) ? this.options.range[1] : this.options.steps;
		this.range = this.max - this.min;
		this.steps = this.options.steps || this.full;
		this.stepSize = Math.abs(this.range) / this.steps;
		this.stepWidth = this.stepSize * this.full / Math.abs(this.range) ;

		this.knob.setStyle('position', 'relative').setStyle(this.property, this.options.initialStep ? this.toPosition(this.options.initialStep) : - this.options.offset);
		modifiers[this.axis] = this.property;
		limit[this.axis] = [- this.options.offset, this.full - this.options.offset];

		var dragOptions = {
			snap: 0,
			limit: limit,
			modifiers: modifiers,
			onDrag: this.draggedKnob,
			onStart: this.draggedKnob,
			onBeforeStart: (function(){
				this.isDragging = true;
			}).bind(this),
			onCancel: function() {
				this.isDragging = false;
			}.bind(this),
			onComplete: function(){
				this.isDragging = false;
				this.draggedKnob();
				this.end();
			}.bind(this)
		};
		if (this.options.snap){
			dragOptions.grid = Math.ceil(this.stepWidth);
			dragOptions.limit[this.axis][1] = this.full;
		}

		this.drag = new Drag(this.knob, dragOptions);
		this.attach();
	},

	attach: function(){
		this.element.addEvent('mousedown', this.clickedElement);
		if (this.options.wheel) this.element.addEvent('mousewheel', this.scrolledElement);
		this.drag.attach();
		return this;
	},

	detach: function(){
		this.element.removeEvent('mousedown', this.clickedElement);
		this.element.removeEvent('mousewheel', this.scrolledElement);
		this.drag.detach();
		return this;
	},

	set: function(step){
		if (!((this.range > 0) ^ (step < this.min))) step = this.min;
		if (!((this.range > 0) ^ (step > this.max))) step = this.max;

		this.step = Math.round(step);
		this.checkStep();
		this.fireEvent('tick', this.toPosition(this.step));
		this.end();
		return this;
	},

	clickedElement: function(event){
		if (this.isDragging || event.target == this.knob) return;

		var dir = this.range < 0 ? -1 : 1;
		var position = event.page[this.axis] - this.element.getPosition()[this.axis] - this.half;
		position = position.limit(-this.options.offset, this.full -this.options.offset);

		this.step = Math.round(this.min + dir * this.toStep(position));
		this.checkStep();
		this.fireEvent('tick', position);
		this.end();
	},

	scrolledElement: function(event){
		var mode = (this.options.mode == 'horizontal') ? (event.wheel < 0) : (event.wheel > 0);
		this.set(mode ? this.step - this.stepSize : this.step + this.stepSize);
		event.stop();
	},

	draggedKnob: function(){
		var dir = this.range < 0 ? -1 : 1;
		var position = this.drag.value.now[this.axis];
		position = position.limit(-this.options.offset, this.full -this.options.offset);
		this.step = Math.round(this.min + dir * this.toStep(position));
		this.checkStep();
	},

	checkStep: function(){
		if (this.previousChange != this.step){
			this.previousChange = this.step;
			this.fireEvent('change', this.step);
		}
	},

	end: function(){
		if (this.previousEnd !== this.step){
			this.previousEnd = this.step;
			this.fireEvent('complete', this.step + '');
		}
	},

	toStep: function(position){
		var step = (position + this.options.offset) * this.stepSize / this.full * this.steps;
		return this.options.steps ? Math.round(step -= step % this.stepSize) : step;
	},

	toPosition: function(step){
		return (this.full * Math.abs(this.min - step)) / (this.steps * this.stepSize) - this.options.offset;
	}

});

/*
---

script: Sortables.js

description: Class for creating a drag and drop sorting interface for lists of items.

license: MIT-style license

authors:
- Tom Occhino

requires:
- /Drag.Move

provides: [Slider]

...
*/

var Sortables = new Class({

	Implements: [Events, Options],

	options: {/*
		onSort: $empty(element, clone),
		onStart: $empty(element, clone),
		onComplete: $empty(element),*/
		snap: 4,
		opacity: 1,
		clone: false,
		revert: false,
		handle: false,
		constrain: false
	},

	initialize: function(lists, options){
		this.setOptions(options);
		this.elements = [];
		this.lists = [];
		this.idle = true;

		this.addLists($$(document.id(lists) || lists));
		if (!this.options.clone) this.options.revert = false;
		if (this.options.revert) this.effect = new Fx.Morph(null, $merge({duration: 250, link: 'cancel'}, this.options.revert));
	},

	attach: function(){
		this.addLists(this.lists);
		return this;
	},

	detach: function(){
		this.lists = this.removeLists(this.lists);
		return this;
	},

	addItems: function(){
		Array.flatten(arguments).each(function(element){
			this.elements.push(element);
			var start = element.retrieve('sortables:start', this.start.bindWithEvent(this, element));
			(this.options.handle ? element.getElement(this.options.handle) || element : element).addEvent('mousedown', start);
		}, this);
		return this;
	},

	addLists: function(){
		Array.flatten(arguments).each(function(list){
			this.lists.push(list);
			this.addItems(list.getChildren());
		}, this);
		return this;
	},

	removeItems: function(){
		return $$(Array.flatten(arguments).map(function(element){
			this.elements.erase(element);
			var start = element.retrieve('sortables:start');
			(this.options.handle ? element.getElement(this.options.handle) || element : element).removeEvent('mousedown', start);
			
			return element;
		}, this));
	},

	removeLists: function(){
		return $$(Array.flatten(arguments).map(function(list){
			this.lists.erase(list);
			this.removeItems(list.getChildren());
			
			return list;
		}, this));
	},

	getClone: function(event, element){
		if (!this.options.clone) return new Element('div').inject(document.body);
		if ($type(this.options.clone) == 'function') return this.options.clone.call(this, event, element, this.list);
		var clone = element.clone(true).setStyles({
			margin: '0px',
			position: 'absolute',
			visibility: 'hidden',
			'width': element.getStyle('width')
		});
		//prevent the duplicated radio inputs from unchecking the real one
		if (clone.get('html').test('radio')) {
			clone.getElements('input[type=radio]').each(function(input, i) {
				input.set('name', 'clone_' + i);
			});
		}
		
		return clone.inject(this.list).setPosition(element.getPosition(element.getOffsetParent()));
	},

	getDroppables: function(){
		var droppables = this.list.getChildren();
		if (!this.options.constrain) droppables = this.lists.concat(droppables).erase(this.list);
		return droppables.erase(this.clone).erase(this.element);
	},

	insert: function(dragging, element){
		var where = 'inside';
		if (this.lists.contains(element)){
			this.list = element;
			this.drag.droppables = this.getDroppables();
		} else {
			where = this.element.getAllPrevious().contains(element) ? 'before' : 'after';
		}
		this.element.inject(element, where);
		this.fireEvent('sort', [this.element, this.clone]);
	},

	start: function(event, element){
		if (!this.idle) return;
		this.idle = false;
		this.element = element;
		this.opacity = element.get('opacity');
		this.list = element.getParent();
		this.clone = this.getClone(event, element);

		this.drag = new Drag.Move(this.clone, {
			snap: this.options.snap,
			container: this.options.constrain && this.element.getParent(),
			droppables: this.getDroppables(),
			onSnap: function(){
				event.stop();
				this.clone.setStyle('visibility', 'visible');
				this.element.set('opacity', this.options.opacity || 0);
				this.fireEvent('start', [this.element, this.clone]);
			}.bind(this),
			onEnter: this.insert.bind(this),
			onCancel: this.reset.bind(this),
			onComplete: this.end.bind(this)
		});

		this.clone.inject(this.element, 'before');
		this.drag.start(event);
	},

	end: function(){
		this.drag.detach();
		this.element.set('opacity', this.opacity);
		if (this.effect){
			var dim = this.element.getStyles('width', 'height');
			var pos = this.clone.computePosition(this.element.getPosition(this.clone.offsetParent));
			this.effect.element = this.clone;
			this.effect.start({
				top: pos.top,
				left: pos.left,
				width: dim.width,
				height: dim.height,
				opacity: 0.25
			}).chain(this.reset.bind(this));
		} else {
			this.reset();
		}
	},

	reset: function(){
		this.idle = true;
		this.clone.destroy();
		this.fireEvent('complete', this.element);
	},

	serialize: function(){
		var params = Array.link(arguments, {modifier: Function.type, index: $defined});
		var serial = this.lists.map(function(list){
			return list.getChildren().map(params.modifier || function(element){
				return element.get('id');
			}, this);
		}, this);

		var index = params.index;
		if (this.lists.length == 1) index = 0;
		return $chk(index) && index >= 0 && index < this.lists.length ? serial[index] : serial;
	}

});


/*
---

script: Request.JSONP.js

description: Defines Request.JSONP, a class for cross domain javascript via script injection.

license: MIT-style license

authors:
- Aaron Newton
- Guillermo Rauch

requires:
- core:1.2.4/Element
- core:1.2.4/Request
- /Log

provides: [Request.JSONP]

...
*/

Request.JSONP = new Class({

	Implements: [Chain, Events, Options, Log],

	options: {/*
		onRetry: $empty(intRetries),
		onRequest: $empty(scriptElement),
		onComplete: $empty(data),
		onSuccess: $empty(data),
		onCancel: $empty(),
		log: false,
		*/
		url: '',
		data: {},
		retries: 0,
		timeout: 0,
		link: 'ignore',
		callbackKey: 'callback',
		injectScript: document.head
	},

	initialize: function(options){
		this.setOptions(options);
		if (this.options.log) this.enableLog();
		this.running = false;
		this.requests = 0;
		this.triesRemaining = [];
	},

	check: function(){
		if (!this.running) return true;
		switch (this.options.link){
			case 'cancel': this.cancel(); return true;
			case 'chain': this.chain(this.caller.bind(this, arguments)); return false;
		}
		return false;
	},

	send: function(options){
		if (!$chk(arguments[1]) && !this.check(options)) return this;

		var type = $type(options), 
				old = this.options, 
				index = $chk(arguments[1]) ? arguments[1] : this.requests++;
		if (type == 'string' || type == 'element') options = {data: options};

		options = $extend({data: old.data, url: old.url}, options);

		if (!$chk(this.triesRemaining[index])) this.triesRemaining[index] = this.options.retries;
		var remaining = this.triesRemaining[index];

		(function(){
			var script = this.getScript(options);
			this.log('JSONP retrieving script with url: ' + script.get('src'));
			this.fireEvent('request', script);
			this.running = true;

			(function(){
				if (remaining){
					this.triesRemaining[index] = remaining - 1;
					if (script){
						script.destroy();
						this.send(options, index).fireEvent('retry', this.triesRemaining[index]);
					}
				} else if(script && this.options.timeout){
					script.destroy();
					this.cancel().fireEvent('failure');
				}
			}).delay(this.options.timeout, this);
		}).delay(Browser.Engine.trident ? 50 : 0, this);
		return this;
	},

	cancel: function(){
		if (!this.running) return this;
		this.running = false;
		this.fireEvent('cancel');
		return this;
	},

	getScript: function(options){
		var index = Request.JSONP.counter,
				data;
		Request.JSONP.counter++;

		switch ($type(options.data)){
			case 'element': data = document.id(options.data).toQueryString(); break;
			case 'object': case 'hash': data = Hash.toQueryString(options.data);
		}

		var src = options.url + 
			 (options.url.test('\\?') ? '&' :'?') + 
			 (options.callbackKey || this.options.callbackKey) + 
			 '=Request.JSONP.request_map.request_'+ index + 
			 (data ? '&' + data : '');
		if (src.length > 2083) this.log('JSONP '+ src +' will fail in Internet Explorer, which enforces a 2083 bytes length limit on URIs');

		var script = new Element('script', {type: 'text/javascript', src: src});
		Request.JSONP.request_map['request_' + index] = function(){ this.success(arguments, script); }.bind(this);
		return script.inject(this.options.injectScript);
	},

	success: function(args, script){
		if (script) script.destroy();
		this.running = false;
		this.log('JSONP successfully retrieved: ', args);
		this.fireEvent('complete', args).fireEvent('success', args).callChain();
	}

});

Request.JSONP.counter = 0;
Request.JSONP.request_map = {};

/*
---

script: Request.Queue.js

description: Controls several instances of Request and its variants to run only one request at a time.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element
- core:1.2.4/Request
- /Log

provides: [Request.Queue]

...
*/

Request.Queue = new Class({

	Implements: [Options, Events],

	Binds: ['attach', 'request', 'complete', 'cancel', 'success', 'failure', 'exception'],

	options: {/*
		onRequest: $empty(argsPassedToOnRequest),
		onSuccess: $empty(argsPassedToOnSuccess),
		onComplete: $empty(argsPassedToOnComplete),
		onCancel: $empty(argsPassedToOnCancel),
		onException: $empty(argsPassedToOnException),
		onFailure: $empty(argsPassedToOnFailure),
		onEnd: $empty,
		*/
		stopOnFailure: true,
		autoAdvance: true,
		concurrent: 1,
		requests: {}
	},

	initialize: function(options){
		if(options){
			var requests = options.requests;
			delete options.requests;	
		}
		this.setOptions(options);
		this.requests = new Hash;
		this.queue = [];
		this.reqBinders = {};
		
		if(requests) this.addRequests(requests);
	},

	addRequest: function(name, request){
		this.requests.set(name, request);
		this.attach(name, request);
		return this;
	},

	addRequests: function(obj){
		$each(obj, function(req, name){
			this.addRequest(name, req);
		}, this);
		return this;
	},

	getName: function(req){
		return this.requests.keyOf(req);
	},

	attach: function(name, req){
		if (req._groupSend) return this;
		['request', 'complete', 'cancel', 'success', 'failure', 'exception'].each(function(evt){
			if(!this.reqBinders[name]) this.reqBinders[name] = {};
			this.reqBinders[name][evt] = function(){
				this['on' + evt.capitalize()].apply(this, [name, req].extend(arguments));
			}.bind(this);
			req.addEvent(evt, this.reqBinders[name][evt]);
		}, this);
		req._groupSend = req.send;
		req.send = function(options){
			this.send(name, options);
			return req;
		}.bind(this);
		return this;
	},

	removeRequest: function(req){
		var name = $type(req) == 'object' ? this.getName(req) : req;
		if (!name && $type(name) != 'string') return this;
		req = this.requests.get(name);
		if (!req) return this;
		['request', 'complete', 'cancel', 'success', 'failure', 'exception'].each(function(evt){
			req.removeEvent(evt, this.reqBinders[name][evt]);
		}, this);
		req.send = req._groupSend;
		delete req._groupSend;
		return this;
	},

	getRunning: function(){
		return this.requests.filter(function(r){
			return r.running;
		});
	},

	isRunning: function(){
		return !!(this.getRunning().getKeys().length);
	},

	send: function(name, options){
		var q = function(){
			this.requests.get(name)._groupSend(options);
			this.queue.erase(q);
		}.bind(this);
		q.name = name;
		if (this.getRunning().getKeys().length >= this.options.concurrent || (this.error && this.options.stopOnFailure)) this.queue.push(q);
		else q();
		return this;
	},

	hasNext: function(name){
		return (!name) ? !!this.queue.length : !!this.queue.filter(function(q){ return q.name == name; }).length;
	},

	resume: function(){
		this.error = false;
		(this.options.concurrent - this.getRunning().getKeys().length).times(this.runNext, this);
		return this;
	},

	runNext: function(name){
		if (!this.queue.length) return this;
		if (!name){
			this.queue[0]();
		} else {
			var found;
			this.queue.each(function(q){
				if (!found && q.name == name){
					found = true;
					q();
				}
			});
		}
		return this;
	},

	runAll: function() {
		this.queue.each(function(q) {
			q();
		});
		return this;
	},

	clear: function(name){
		if (!name){
			this.queue.empty();
		} else {
			this.queue = this.queue.map(function(q){
				if (q.name != name) return q;
				else return false;
			}).filter(function(q){ return q; });
		}
		return this;
	},

	cancel: function(name){
		this.requests.get(name).cancel();
		return this;
	},

	onRequest: function(){
		this.fireEvent('request', arguments);
	},

	onComplete: function(){
		this.fireEvent('complete', arguments);
		if (!this.queue.length) this.fireEvent('end');
	},

	onCancel: function(){
		if (this.options.autoAdvance && !this.error) this.runNext();
		this.fireEvent('cancel', arguments);
	},

	onSuccess: function(){
		if (this.options.autoAdvance && !this.error) this.runNext();
		this.fireEvent('success', arguments);
	},

	onFailure: function(){
		this.error = true;
		if (!this.options.stopOnFailure && this.options.autoAdvance) this.runNext();
		this.fireEvent('failure', arguments);
	},

	onException: function(){
		this.error = true;
		if (!this.options.stopOnFailure && this.options.autoAdvance) this.runNext();
		this.fireEvent('exception', arguments);
	}

});


/*
---

script: Request.Periodical.js

description: Requests the same URL to pull data from a server but increases the intervals if no data is returned to reduce the load

license: MIT-style license

authors:
- Christoph Pojer

requires:
- core:1.2.4/Request
- /MooTools.More

provides: [Request.Periodical]

...
*/

Request.implement({

	options: {
		initialDelay: 5000,
		delay: 5000,
		limit: 60000
	},

	startTimer: function(data){
		var fn = function(){
			if (!this.running) this.send({data: data});
		};
		this.timer = fn.delay(this.options.initialDelay, this);
		this.lastDelay = this.options.initialDelay;
		this.completeCheck = function(response){
			$clear(this.timer);
			this.lastDelay = (response) ? this.options.delay : (this.lastDelay + this.options.delay).min(this.options.limit);
			this.timer = fn.delay(this.lastDelay, this);
		};
		return this.addEvent('complete', this.completeCheck);
	},

	stopTimer: function(){
		$clear(this.timer);
		return this.removeEvent('complete', this.completeCheck);
	}

});

/*
---

script: Assets.js

description: Provides methods to dynamically load JavaScript, CSS, and Image files into the document.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Element.Event
- /MooTools.More

provides: [Assets]

...
*/

var Asset = {

	javascript: function(source, properties){
		properties = $extend({
			onload: $empty,
			document: document,
			check: $lambda(true)
		}, properties);
		
		if (properties.onLoad) properties.onload = properties.onLoad;
		
		var script = new Element('script', {src: source, type: 'text/javascript'});

		var load = properties.onload.bind(script), 
			check = properties.check, 
			doc = properties.document;
		delete properties.onload;
		delete properties.check;
		delete properties.document;

		script.addEvents({
			load: load,
			readystatechange: function(){
				if (['loaded', 'complete'].contains(this.readyState)) load();
			}
		}).set(properties);

		if (Browser.Engine.webkit419) var checker = (function(){
			if (!$try(check)) return;
			$clear(checker);
			load();
		}).periodical(50);

		return script.inject(doc.head);
	},

	css: function(source, properties){
		return new Element('link', $merge({
			rel: 'stylesheet',
			media: 'screen',
			type: 'text/css',
			href: source
		}, properties)).inject(document.head);
	},

	image: function(source, properties){
		properties = $merge({
			onload: $empty,
			onabort: $empty,
			onerror: $empty
		}, properties);
		var image = new Image();
		var element = document.id(image) || new Element('img');
		['load', 'abort', 'error'].each(function(name){
			var type = 'on' + name;
			var cap = name.capitalize();
			if (properties['on' + cap]) properties[type] = properties['on' + cap];
			var event = properties[type];
			delete properties[type];
			image[type] = function(){
				if (!image) return;
				if (!element.parentNode){
					element.width = image.width;
					element.height = image.height;
				}
				image = image.onload = image.onabort = image.onerror = null;
				event.delay(1, element, element);
				element.fireEvent(name, element, 1);
			};
		});
		image.src = element.src = source;
		if (image && image.complete) image.onload.delay(1);
		return element.set(properties);
	},

	images: function(sources, options){
		options = $merge({
			onComplete: $empty,
			onProgress: $empty,
			onError: $empty,
			properties: {}
		}, options);
		sources = $splat(sources);
		var images = [];
		var counter = 0;
		return new Elements(sources.map(function(source){
			return Asset.image(source, $extend(options.properties, {
				onload: function(){
					options.onProgress.call(this, counter, sources.indexOf(source));
					counter++;
					if (counter == sources.length) options.onComplete();
				},
				onerror: function(){
					options.onError.call(this, counter, sources.indexOf(source));
					counter++;
					if (counter == sources.length) options.onComplete();
				}
			}));
		}));
	}

};

/*
---

script: Color.js

description: Class for creating and manipulating colors in JavaScript. Supports HSB -> RGB Conversions and vice versa.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Array
- core:1.2.4/String
- core:1.2.4/Number
- core:1.2.4/Hash
- core:1.2.4/Function
- core:1.2.4/$util

provides: [Color]

...
*/

var Color = new Native({

	initialize: function(color, type){
		if (arguments.length >= 3){
			type = 'rgb'; color = Array.slice(arguments, 0, 3);
		} else if (typeof color == 'string'){
			if (color.match(/rgb/)) color = color.rgbToHex().hexToRgb(true);
			else if (color.match(/hsb/)) color = color.hsbToRgb();
			else color = color.hexToRgb(true);
		}
		type = type || 'rgb';
		switch (type){
			case 'hsb':
				var old = color;
				color = color.hsbToRgb();
				color.hsb = old;
			break;
			case 'hex': color = color.hexToRgb(true); break;
		}
		color.rgb = color.slice(0, 3);
		color.hsb = color.hsb || color.rgbToHsb();
		color.hex = color.rgbToHex();
		return $extend(color, this);
	}

});

Color.implement({

	mix: function(){
		var colors = Array.slice(arguments);
		var alpha = ($type(colors.getLast()) == 'number') ? colors.pop() : 50;
		var rgb = this.slice();
		colors.each(function(color){
			color = new Color(color);
			for (var i = 0; i < 3; i++) rgb[i] = Math.round((rgb[i] / 100 * (100 - alpha)) + (color[i] / 100 * alpha));
		});
		return new Color(rgb, 'rgb');
	},

	invert: function(){
		return new Color(this.map(function(value){
			return 255 - value;
		}));
	},

	setHue: function(value){
		return new Color([value, this.hsb[1], this.hsb[2]], 'hsb');
	},

	setSaturation: function(percent){
		return new Color([this.hsb[0], percent, this.hsb[2]], 'hsb');
	},

	setBrightness: function(percent){
		return new Color([this.hsb[0], this.hsb[1], percent], 'hsb');
	}

});

var $RGB = function(r, g, b){
	return new Color([r, g, b], 'rgb');
};

var $HSB = function(h, s, b){
	return new Color([h, s, b], 'hsb');
};

var $HEX = function(hex){
	return new Color(hex, 'hex');
};

Array.implement({

	rgbToHsb: function(){
		var red = this[0],
				green = this[1],
				blue = this[2],
				hue = 0;
		var max = Math.max(red, green, blue),
				min = Math.min(red, green, blue);
		var delta = max - min;
		var brightness = max / 255,
				saturation = (max != 0) ? delta / max : 0;
		if(saturation != 0) {
			var rr = (max - red) / delta;
			var gr = (max - green) / delta;
			var br = (max - blue) / delta;
			if (red == max) hue = br - gr;
			else if (green == max) hue = 2 + rr - br;
			else hue = 4 + gr - rr;
			hue /= 6;
			if (hue < 0) hue++;
		}
		return [Math.round(hue * 360), Math.round(saturation * 100), Math.round(brightness * 100)];
	},

	hsbToRgb: function(){
		var br = Math.round(this[2] / 100 * 255);
		if (this[1] == 0){
			return [br, br, br];
		} else {
			var hue = this[0] % 360;
			var f = hue % 60;
			var p = Math.round((this[2] * (100 - this[1])) / 10000 * 255);
			var q = Math.round((this[2] * (6000 - this[1] * f)) / 600000 * 255);
			var t = Math.round((this[2] * (6000 - this[1] * (60 - f))) / 600000 * 255);
			switch (Math.floor(hue / 60)){
				case 0: return [br, t, p];
				case 1: return [q, br, p];
				case 2: return [p, br, t];
				case 3: return [p, q, br];
				case 4: return [t, p, br];
				case 5: return [br, p, q];
			}
		}
		return false;
	}

});

String.implement({

	rgbToHsb: function(){
		var rgb = this.match(/\d{1,3}/g);
		return (rgb) ? rgb.rgbToHsb() : null;
	},

	hsbToRgb: function(){
		var hsb = this.match(/\d{1,3}/g);
		return (hsb) ? hsb.hsbToRgb() : null;
	}

});


/*
---

script: Group.js

description: Class for monitoring collections of events

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Events
- /MooTools.More

provides: [Group]

...
*/

var Group = new Class({

	initialize: function(){
		this.instances = Array.flatten(arguments);
		this.events = {};
		this.checker = {};
	},

	addEvent: function(type, fn){
		this.checker[type] = this.checker[type] || {};
		this.events[type] = this.events[type] || [];
		if (this.events[type].contains(fn)) return false;
		else this.events[type].push(fn);
		this.instances.each(function(instance, i){
			instance.addEvent(type, this.check.bind(this, [type, instance, i]));
		}, this);
		return this;
	},

	check: function(type, instance, i){
		this.checker[type][i] = true;
		var every = this.instances.every(function(current, j){
			return this.checker[type][j] || false;
		}, this);
		if (!every) return;
		this.checker[type] = {};
		this.events[type].each(function(event){
			event.call(this, this.instances, instance);
		}, this);
	}

});


/*
---

script: Hash.Cookie.js

description: Class for creating, reading, and deleting Cookies in JSON format.

license: MIT-style license

authors:
- Valerio Proietti
- Aaron Newton

requires:
- core:1.2.4/Cookie
- core:1.2.4/JSON
- /MooTools.More

provides: [Hash.Cookie]

...
*/

Hash.Cookie = new Class({

	Extends: Cookie,

	options: {
		autoSave: true
	},

	initialize: function(name, options){
		this.parent(name, options);
		this.load();
	},

	save: function(){
		var value = JSON.encode(this.hash);
		if (!value || value.length > 4096) return false; //cookie would be truncated!
		if (value == '{}') this.dispose();
		else this.write(value);
		return true;
	},

	load: function(){
		this.hash = new Hash(JSON.decode(this.read(), true));
		return this;
	}

});

Hash.each(Hash.prototype, function(method, name){
	if (typeof method == 'function') Hash.Cookie.implement(name, function(){
		var value = method.apply(this.hash, arguments);
		if (this.options.autoSave) this.save();
		return value;
	});
});

/*
---

script: IframeShim.js

description: Defines IframeShim, a class for obscuring select lists and flash objects in IE.

license: MIT-style license

authors:
- Aaron Newton

requires:
- core:1.2.4/Element.Event
- core:1.2.4/Element.Style
- core:1.2.4/Options Events
- /Element.Position
- /Class.Occlude

provides: [IframeShim]

...
*/

var IframeShim = new Class({

	Implements: [Options, Events, Class.Occlude],

	options: {
		className: 'iframeShim',
		src: 'javascript:false;document.write("");',
		display: false,
		zIndex: null,
		margin: 0,
		offset: {x: 0, y: 0},
		browsers: (Browser.Engine.trident4 || (Browser.Engine.gecko && !Browser.Engine.gecko19 && Browser.Platform.mac))
	},

	property: 'IframeShim',

	initialize: function(element, options){
		this.element = document.id(element);
		if (this.occlude()) return this.occluded;
		this.setOptions(options);
		this.makeShim();
		return this;
	},

	makeShim: function(){
		if(this.options.browsers){
			var zIndex = this.element.getStyle('zIndex').toInt();

			if (!zIndex){
				zIndex = 1;
				var pos = this.element.getStyle('position');
				if (pos == 'static' || !pos) this.element.setStyle('position', 'relative');
				this.element.setStyle('zIndex', zIndex);
			}
			zIndex = ($chk(this.options.zIndex) && zIndex > this.options.zIndex) ? this.options.zIndex : zIndex - 1;
			if (zIndex < 0) zIndex = 1;
			this.shim = new Element('iframe', {
				src: this.options.src,
				scrolling: 'no',
				frameborder: 0,
				styles: {
					zIndex: zIndex,
					position: 'absolute',
					border: 'none',
					filter: 'progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)'
				},
				'class': this.options.className
			}).store('IframeShim', this);
			var inject = (function(){
				this.shim.inject(this.element, 'after');
				this[this.options.display ? 'show' : 'hide']();
				this.fireEvent('inject');
			}).bind(this);
			if (!IframeShim.ready) window.addEvent('load', inject);
			else inject();
		} else {
			this.position = this.hide = this.show = this.dispose = $lambda(this);
		}
	},

	position: function(){
		if (!IframeShim.ready || !this.shim) return this;
		var size = this.element.measure(function(){ 
			return this.getSize(); 
		});
		if (this.options.margin != undefined){
			size.x = size.x - (this.options.margin * 2);
			size.y = size.y - (this.options.margin * 2);
			this.options.offset.x += this.options.margin;
			this.options.offset.y += this.options.margin;
		}
		this.shim.set({width: size.x, height: size.y}).position({
			relativeTo: this.element,
			offset: this.options.offset
		});
		return this;
	},

	hide: function(){
		if (this.shim) this.shim.setStyle('display', 'none');
		return this;
	},

	show: function(){
		if (this.shim) this.shim.setStyle('display', 'block');
		return this.position();
	},

	dispose: function(){
		if (this.shim) this.shim.dispose();
		return this;
	},

	destroy: function(){
		if (this.shim) this.shim.destroy();
		return this;
	}

});

window.addEvent('load', function(){
	IframeShim.ready = true;
});

/*
---

script: Scroller.js

description: Class which scrolls the contents of any Element (including the window) when the mouse reaches the Element's boundaries.

license: MIT-style license

authors:
- Valerio Proietti

requires:
- core:1.2.4/Events
- core:1.2.4/Options
- core:1.2.4/Element.Event
- core:1.2.4/Element.Dimensions

provides: [Scroller]

...
*/

var Scroller = new Class({

	Implements: [Events, Options],

	options: {
		area: 20,
		velocity: 1,
		onChange: function(x, y){
			this.element.scrollTo(x, y);
		},
		fps: 50
	},

	initialize: function(element, options){
		this.setOptions(options);
		this.element = document.id(element);
		this.docBody = document.id(this.element.getDocument().body);
		this.listener = ($type(this.element) != 'element') ?  this.docBody : this.element;
		this.timer = null;
		this.bound = {
			attach: this.attach.bind(this),
			detach: this.detach.bind(this),
			getCoords: this.getCoords.bind(this)
		};
	},

	start: function(){
		this.listener.addEvents({
			mouseover: this.bound.attach,
			mouseout: this.bound.detach
		});
	},

	stop: function(){
		this.listener.removeEvents({
			mouseover: this.bound.attach,
			mouseout: this.bound.detach
		});
		this.detach();
		this.timer = $clear(this.timer);
	},

	attach: function(){
		this.listener.addEvent('mousemove', this.bound.getCoords);
	},

	detach: function(){
		this.listener.removeEvent('mousemove', this.bound.getCoords);
		this.timer = $clear(this.timer);
	},

	getCoords: function(event){
		this.page = (this.listener.get('tag') == 'body') ? event.client : event.page;
		if (!this.timer) this.timer = this.scroll.periodical(Math.round(1000 / this.options.fps), this);
	},

	scroll: function(){
		var size = this.element.getSize(), 
			scroll = this.element.getScroll(), 
			pos = this.element != this.docBody ? this.element.getOffsets() : {x: 0, y:0}, 
			scrollSize = this.element.getScrollSize(), 
			change = {x: 0, y: 0};
		for (var z in this.page){
			if (this.page[z] < (this.options.area + pos[z]) && scroll[z] != 0) {
				change[z] = (this.page[z] - this.options.area - pos[z]) * this.options.velocity;
			} else if (this.page[z] + this.options.area > (size[z] + pos[z]) && scroll[z] + size[z] != scrollSize[z]) {
				change[z] = (this.page[z] - size[z] + this.options.area - pos[z]) * this.options.velocity;
			}
		}
		if (change.y || change.x) this.fireEvent('change', [scroll.x + change.x, scroll.y + change.y]);
	}

});

/*
---

script: Tips.js

description: Class for creating nice tips that follow the mouse cursor when hovering an element.

license: MIT-style license

authors:
- Valerio Proietti
- Christoph Pojer

requires:
- core:1.2.4/Options
- core:1.2.4/Events
- core:1.2.4/Element.Event
- core:1.2.4/Element.Style
- core:1.2.4/Element.Dimensions
- /MooTools.More

provides: [Tips]

...
*/

(function(){

var read = function(option, element){
	return (option) ? ($type(option) == 'function' ? option(element) : element.get(option)) : '';
};

this.Tips = new Class({

	Implements: [Events, Options],

	options: {
		/*
		onAttach: $empty(element),
		onDetach: $empty(element),
		*/
		onShow: function(){
			this.tip.setStyle('display', 'block');
		},
		onHide: function(){
			this.tip.setStyle('display', 'none');
		},
		title: 'title',
		text: function(element){
			return element.get('rel') || element.get('href');
		},
		showDelay: 100,
		hideDelay: 100,
		className: 'tip-wrap',
		offset: {x: 16, y: 16},
		windowPadding: {x:0, y:0},
		fixed: false
	},

	initialize: function(){
		var params = Array.link(arguments, {options: Object.type, elements: $defined});
		this.setOptions(params.options);
		if (params.elements) this.attach(params.elements);
		this.container = new Element('div', {'class': 'tip'});
	},

	toElement: function(){
		if (this.tip) return this.tip;

		return this.tip = new Element('div', {
			'class': this.options.className,
			styles: {
				position: 'absolute',
				top: 0,
				left: 0
			}
		}).adopt(
			new Element('div', {'class': 'tip-top'}),
			this.container,
			new Element('div', {'class': 'tip-bottom'})
		).inject(document.body);
	},

	attach: function(elements){
		$$(elements).each(function(element){
			var title = read(this.options.title, element),
				text = read(this.options.text, element);
			
			element.erase('title').store('tip:native', title).retrieve('tip:title', title);
			element.retrieve('tip:text', text);
			this.fireEvent('attach', [element]);
			
			var events = ['enter', 'leave'];
			if (!this.options.fixed) events.push('move');
			
			events.each(function(value){
				var event = element.retrieve('tip:' + value);
				if (!event) event = this['element' + value.capitalize()].bindWithEvent(this, element);
				
				element.store('tip:' + value, event).addEvent('mouse' + value, event);
			}, this);
		}, this);
		
		return this;
	},

	detach: function(elements){
		$$(elements).each(function(element){
			['enter', 'leave', 'move'].each(function(value){
				element.removeEvent('mouse' + value, element.retrieve('tip:' + value)).eliminate('tip:' + value);
			});
			
			this.fireEvent('detach', [element]);
			
			if (this.options.title == 'title'){ // This is necessary to check if we can revert the title
				var original = element.retrieve('tip:native');
				if (original) element.set('title', original);
			}
		}, this);
		
		return this;
	},

	elementEnter: function(event, element){
		this.container.empty();
		
		['title', 'text'].each(function(value){
			var content = element.retrieve('tip:' + value);
			if (content) this.fill(new Element('div', {'class': 'tip-' + value}).inject(this.container), content);
		}, this);
		
		$clear(this.timer);
		this.timer = (function(){
			this.show(this, element);
			this.position((this.options.fixed) ? {page: element.getPosition()} : event);
		}).delay(this.options.showDelay, this);
	},

	elementLeave: function(event, element){
		$clear(this.timer);
		this.timer = this.hide.delay(this.options.hideDelay, this, element);
		this.fireForParent(event, element);
	},

	fireForParent: function(event, element){
		element = element.getParent();
		if (!element || element == document.body) return;
		if (element.retrieve('tip:enter')) element.fireEvent('mouseenter', event);
		else this.fireForParent(event, element);
	},

	elementMove: function(event, element){
		this.position(event);
	},

	position: function(event){
		if (!this.tip) document.id(this);

		var size = window.getSize(), scroll = window.getScroll(),
			tip = {x: this.tip.offsetWidth, y: this.tip.offsetHeight},
			props = {x: 'left', y: 'top'},
			obj = {};
		
		for (var z in props){
			obj[props[z]] = event.page[z] + this.options.offset[z];
			if ((obj[props[z]] + tip[z] - scroll[z]) > size[z] - this.options.windowPadding[z]) obj[props[z]] = event.page[z] - this.options.offset[z] - tip[z];
		}
		
		this.tip.setStyles(obj);
	},

	fill: function(element, contents){
		if(typeof contents == 'string') element.set('html', contents);
		else element.adopt(contents);
	},

	show: function(element){
		if (!this.tip) document.id(this);
		this.fireEvent('show', [this.tip, element]);
	},

	hide: function(element){
		if (!this.tip) document.id(this);
		this.fireEvent('hide', [this.tip, element]);
	}

});

})();

/*
---

script: Date.English.US.js

description: Date messages for US English.

license: MIT-style license

authors:
- Aaron Newton

requires:
- /Lang
- /Date

provides: [Date.English.US]

...
*/

MooTools.lang.set('en-US', 'Date', {

	months: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
	days: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
	//culture's date order: MM/DD/YYYY
	dateOrder: ['month', 'date', 'year'],
	shortDate: '%m/%d/%Y',
	shortTime: '%I:%M%p',
	AM: 'AM',
	PM: 'PM',

	/* Date.Extras */
	ordinal: function(dayOfMonth){
		//1st, 2nd, 3rd, etc.
		return (dayOfMonth > 3 && dayOfMonth < 21) ? 'th' : ['th', 'st', 'nd', 'rd', 'th'][Math.min(dayOfMonth % 10, 4)];
	},

	lessThanMinuteAgo: 'less than a minute ago',
	minuteAgo: 'about a minute ago',
	minutesAgo: '{delta} minutes ago',
	hourAgo: 'about an hour ago',
	hoursAgo: 'about {delta} hours ago',
	dayAgo: '1 day ago',
	daysAgo: '{delta} days ago',
	weekAgo: '1 week ago',
	weeksAgo: '{delta} weeks ago',
	monthAgo: '1 month ago',
	monthsAgo: '{delta} months ago',
	yearAgo: '1 year ago',
	yearsAgo: '{delta} years ago',
	lessThanMinuteUntil: 'less than a minute from now',
	minuteUntil: 'about a minute from now',
	minutesUntil: '{delta} minutes from now',
	hourUntil: 'about an hour from now',
	hoursUntil: 'about {delta} hours from now',
	dayUntil: '1 day from now',
	daysUntil: '{delta} days from now',
	weekUntil: '1 week from now',
	weeksUntil: '{delta} weeks from now',
	monthUntil: '1 month from now',
	monthsUntil: '{delta} months from now',
	yearUntil: '1 year from now',
	yearsUntil: '{delta} years from now'

});


/*
---

script: Form.Validator.English.js

description: Form Validator messages for English.

license: MIT-style license

authors:
- Aaron Newton

requires:
- /Lang
- /Form.Validator

provides: [Form.Validator.English]

...
*/

MooTools.lang.set('en-US', 'Form.Validator', {

	required:'This field is required.',
	minLength:'Please enter at least {minLength} characters (you entered {length} characters).',
	maxLength:'Please enter no more than {maxLength} characters (you entered {length} characters).',
	integer:'Please enter an integer in this field. Numbers with decimals (e.g. 1.25) are not permitted.',
	numeric:'Please enter only numeric values in this field (i.e. "1" or "1.1" or "-1" or "-1.1").',
	digits:'Please use numbers and punctuation only in this field (for example, a phone number with dashes or dots is permitted).',
	alpha:'Please use letters only (a-z) with in this field. No spaces or other characters are allowed.',
	alphanum:'Please use only letters (a-z) or numbers (0-9) only in this field. No spaces or other characters are allowed.',
	dateSuchAs:'Please enter a valid date such as {date}',
	dateInFormatMDY:'Please enter a valid date such as MM/DD/YYYY (i.e. "12/31/1999")',
	email:'Please enter a valid email address. For example "fred@domain.com".',
	url:'Please enter a valid URL such as http://www.google.com.',
	currencyDollar:'Please enter a valid $ amount. For example $100.00 .',
	oneRequired:'Please enter something for at least one of these inputs.',
	errorPrefix: 'Error: ',
	warningPrefix: 'Warning: ',

	//Form.Validator.Extras

	noSpace: 'There can be no spaces in this input.',
	reqChkByNode: 'No items are selected.',
	requiredChk: 'This field is required.',
	reqChkByName: 'Please select a {label}.',
	match: 'This field needs to match the {matchName} field',
	startDate: 'the start date',
	endDate: 'the end date',
	currendDate: 'the current date',
	afterDate: 'The date should be the same or after {label}.',
	beforeDate: 'The date should be the same or before {label}.',
	startMonth: 'Please select a start month',
	sameMonth: 'These two dates must be in the same month - you must change one or the other.',
	creditcard: 'The credit card number entered is invalid. Please check the number and try again. {length} digits entered.'

});
