//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',
	'build': '6f6057dc645fdb7547689183b2311063bd653ddf'
};

/*
---

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 Markbåge
- 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: 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: 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 ? offsetParent.getStyle('padding-' + pad).toInt() : 0;
			//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: 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;
	}

});