/**
 * SimpleTabs - Unobtrusive Tabs with Ajax
 *
 * @example
 *
 *	var tabs = new SimpleTabs($('tab-element'), {
 * 		selector: 'h2.tab-tab'
 *	});
 *
 * @version		1.0
 *
 * @license		MIT License
 * @author		Harald Kirschner <mail [at] digitarald.de>
 * @copyright	2007 Author
 */
var SimpleTabs = new Class({

	Implements: [Events, Options],

	/**
	 * Options
	 */
	options: {
		show: 0,
		selector: '.tab-tab',
		classWrapper: 'tab-wrapper',
		classMenu: 'tab-menu',
		classContainer: 'tab-container',
		onSelect: function(toggle, container, index) {
			toggle.addClass('tab-selected');
			container.setStyle('display', '');
		},
		onDeselect: function(toggle, container, index) {
			toggle.removeClass('tab-selected');
			container.setStyle('display', 'none');
		},
		onRequest: function(toggle, container, index) {
			container.addClass('tab-ajax-loading');
		},
		onComplete: function(toggle, container, index) {
			container.removeClass('tab-ajax-loading');
		},
		onFailure: function(toggle, container, index) {
			container.removeClass('tab-ajax-loading');
		},
		onAdded: Class.empty,
		getContent: null,
		ajaxOptions: {},
		cache: true
	},

	/**
	 * Constructor
	 *
	 * @param {Element} The parent Element that holds the tab elements
	 * @param {Object} Options
	 */
	initialize: function(element, options) {
		this.element = $(element);
		this.setOptions(options);
		this.selected = null;
		this.build();
	},

	build: function() {
		this.tabs = [];
		this.menu = new Element('ul', {'class': this.options.classMenu});
		this.wrapper = new Element('div', {'class': this.options.classWrapper});

		this.element.getElements(this.options.selector).each(function(el) {
			var content = el.get('href') || (this.options.getContent ? this.options.getContent.call(this, el) : el.getNext());
			this.addTab(el.innerHTML, el.title || el.innerHTML, content);
		}, this);
		this.element.empty().adopt(this.menu, this.wrapper);

		if (this.tabs.length) this.select(this.options.show);
	},

	/**
	 * Add a new tab at the end of the tab menu
	 *
	 * @param {String} inner Text
	 * @param {String} Title
	 * @param {Element|String} Content Element or URL for Ajax
	 */
	addTab: function(text, title, content) {
		var grab = $(content);
		var container = (grab || new Element('div'))
			.setStyle('display', 'none')
			.addClass(this.options.classContainer)
			.inject(this.wrapper);
		var pos = this.tabs.length;
		var evt = (this.options.hover) ? 'mouseenter' : 'click';
		var tab = {
			container: container,
			toggle: new Element('li').grab(new Element('a', {
				href: '#',
				title: title
			}).grab(
				new Element('span', {html: text})
			)).addEvent(evt, this.onClick.bindWithEvent(this, [pos])).inject(this.menu)
		};
		if (!grab && $type(content) == 'string') tab.url = content;
		this.tabs.push(tab);
		return this.fireEvent('onAdded', [tab.toggle, tab.container, pos]);
	},

	onClick: function(evt, index) {
		this.select(index);
		return false;
	},

	/**
	 * Select the tab via tab-index
	 *
	 * @param {Number} Tab-index
	 */
	select: function(index) {
		if (this.selected === index || !this.tabs[index]) return this;
		if (this.ajax) this.ajax.cancel().removeEvents();
		var tab = this.tabs[index];
		var params = [tab.toggle, tab.container, index];
		if (this.selected !== null) {
			var current = this.tabs[this.selected];
			if (this.ajax && this.ajax.running) this.ajax.cancel();
			params.extend([current.toggle, current.container, this.selected]);
			this.fireEvent('onDeselect', [current.toggle, current.container, this.selected]);
		}
		this.fireEvent('onSelect', params);
		if (tab.url && (!tab.loaded || !this.options.cache)) {
			this.ajax = this.ajax || new Request.HTML();
			this.ajax.setOptions({
				url: tab.url,
				method: 'get',
				update: tab.container,
				onFailure: this.fireEvent.pass(['onFailure', params], this),
				onComplete: function(resp) {
					tab.loaded = true;
					this.fireEvent('onComplete', params);
				}.bind(this)
			}).setOptions(this.options.ajaxOptions);
			this.ajax.send();
			this.fireEvent('onRequest', params);
		}
		this.selected = index;
		return this;
	}

});
/**
 * ReMooz - Zoomer
 *
 * Inspired by so many boxes and zooms
 *
 * @version		1.0
 *
 * @license		MIT-style license
 * @author		Harald Kirschner <mail [at] digitarald.de>
 * @copyright	Author
 */

var ReMooz = new Class({

	Implements: [Events, Options, Chain],

	options: {
		link: null,
		type: 'image',
		container: null,
		className: null,
		centered: false,
		dragging: true,
		closeOnClick: true,
		shadow: (Browser.Engine.trident) ? 'onOpenEnd' : 'onOpen', // performance
		resize: true,
		margin: 20,
		resizeFactor: 0.95,
		resizeLimit: false, // {x: 640, y: 640}
		fixedSize: false,
		cutOut: true,
		addClick: true,
		opacityLoad: 0.6,
		opacityResize: 1,
		opacityTitle: 0.9,
		resizeOptions: {},
		fxOptions: {},
		closer: true,
		parse: false, // 'rel'
		parseSecure: false,
		temporary: false,
		onBuild: $empty,
		onLoad: $empty,
		onOpen: $empty,
		onOpenEnd: $empty,
		onClose: $empty,
		onCloseEnd: $empty,
		generateTitle: function(el) {
			var text = el.get('title');
			if (!text) return false;
			var title = text.split(' :: ');
			var head = new Element('h6', {'html': title[0]});
			return (title[1]) ? [head, new Element('p', {'html': title[1]})] : head;
		}
	},

	initialize: function(element, options) {
		this.element = $(element);
		this.setOptions(options);
		if (this.options.parse) {
			var obj = this.element.getProperty(this.options.parse);
			if (obj && (obj = JSON.decode(obj, this.options.parseSecure))) this.setOptions(obj);
		}
		var origin = this.options.origin;
		this.origin = ((origin) ? $(origin) || this.element.getElement(origin) : null) || this.element;
		this.link = this.options.link || this.element.get('href') || this.element.get('src');
		this.container = $(this.options.container) || this.element.getDocument();
		this.bound = {
			'click': function(e) {
				this.open.delay(1, this);
				return false;
			}.bind(this),
			'close': this.close.bind(this),
			'dragClose': function(e) {
				if (e.rightClick) return;
				this.close();
			}.bind(this)
		};
		if (this.options.addClick) this.bindToElement();
	},

	destroy: function() {
		if (this.box) this.box.destroy();
		this.box = this.tweens = this.body = this.content = null;
	},

	bindToElement: function(element) {
		($(element) || this.element).addClass('remooz-element').addEvent('click', this.bound.click);
		return this;
	},

	getOriginCoordinates: function() {
		var coords = this.origin.getCoordinates();
		delete coords.right;
		delete coords.bottom;
		return coords;
	},

	open: function(e) {
		if (this.opened) return (e) ? this.close() : this;
		this.opened = this.loading = true;
		if (!this.box) this.build();
		this.coords = this.getOriginCoordinates();
		this.coords.opacity = this.options.opacityLoad;
		this.coords.display = '';
		this.tweens.box.set(this.coords);
		this.box.addClass('remooz-loading');
		ReMooz.open(this.fireEvent('onLoad'));
		this['open' + this.options.type.capitalize()]();
		return this;
	},

	finishOpen: function() {
		this.tweens.fade.start(0, 1);
		this.drag.attach();
		this.fireEvent('onOpenEnd').callChain();
	},

	close: function() {
		if (!this.opened) return this;
		this.opened = false;
		ReMooz.close(this.fireEvent('onClose'));
		if (this.loading) {
			this.box.setStyle('display', 'none');
			return this;
		}
		this.drag.detach();
		this.tweens.fade.cancel().set(0).fireEvent('onComplete');
		if (this.tweens.box.timer) this.tweens.box.clearChain();
		var vars = this.getOriginCoordinates();
		if (this.options.opacityResize != 1) vars.opacity = this.options.opacityResize;
		this.tweens.box.start(vars).chain(this.closeEnd.bind(this));
		return this;
	},

	closeEnd: function() {
		if (this.options.cutOut) this.element.setStyle('visibility', 'visible');
		this.box.setStyle('display', 'none');
		this.fireEvent('onCloseEnd').callChain();
		if (this.options.temporary) this.destroy();
	},

	openImage: function() {
		var tmp = new Image();
		tmp.onload = tmp.onabort = tmp.onerror = function(fast) {
			this.loading = tmp.onload = tmp.onabort = tmp.onerror = null;
			if (!tmp.width || !this.opened) {
				this.fireEvent('onError').close();
				return;
			}
			var to = {x: tmp.width, y: tmp.height};
			if (!this.content) this.content = $(tmp).inject(this.body);
			else tmp = null;
			this[(this.options.resize) ? 'zoomRelativeTo' : 'zoomTo'].create({
				'delay': (tmp && fast !== true) ? 1 : null,
				'arguments': [to],
				'bind': this
			})();
		}.bind(this);
		tmp.src = this.link;
		if (tmp && tmp.complete && tmp.onload) tmp.onload(true);
	},

	/**
	 * @todo Test implementation
	 */
	openElement: function() {
		this.content = this.content || $(this.link) || $E(this.link);
		if (!this.content) {
			this.fireEvent('onError').close();
			return;
		}
		this.content.inject(this.body);
		this.zoomTo({x: this.content.scrollWidth, y: this.content.scrollHeight});
	},

	zoomRelativeTo: function(to) {
		var scale = this.options.resizeLimit;
		if (!scale) {
			scale = this.container.getSize();
			scale.x *= this.options.resizeFactor;
			scale.y *= this.options.resizeFactor;
		}
		for (var i = 2; i--;) {
			if (to.x > scale.x) {
				to.y *= scale.x / to.x;
				to.x = scale.x;
			} else if (to.y > scale.y) {
				to.x *= scale.y / to.y;
				to.y = scale.y;
			}
		}
		return this.zoomTo({x: to.x.toInt(), y: to.y.toInt()});
	},

	zoomTo: function(to) {
		to = this.options.fixedSize || to;
		var box = this.container.getSize(), scroll = this.container.getScroll();
		var pos = (!this.options.centered) ? {
			x: (this.coords.left + (this.coords.width / 2) - to.x / 2).toInt()
				.limit(scroll.x + this.options.margin, scroll.x + box.x - this.options.margin - to.x),
			y: (this.coords.top + (this.coords.height / 2) - to.y / 2).toInt()
				.limit(scroll.y + this.options.margin, scroll.y + box.y - this.options.margin - to.y)
		} :  {
			x: scroll.x + ((box.x - to.x) / 2).toInt(),
			y: scroll.y + ((box.y - to.y) / 2).toInt()
		};
		if (this.options.cutOut) this.element.setStyle('visibility', 'hidden');
		this.box.removeClass('remooz-loading');
		var vars = {left: pos.x, top: pos.y, width: to.x, height: to.y};
		if (this.options.opacityResize != 1) vars.opacity = [this.options.opacityResize, 1];
		else this.box.set('opacity', 1);
		this.tweens.box.start(vars).chain(this.finishOpen.bind(this));
		this.fireEvent('onOpen');
	},

	build: function() {
		this.addEvent('onBlur', function() {
			this.focused = false;
			this.box.removeClass('remooz-box-focus').setStyle('z-index', ReMooz.options.zIndex);
		}, true);
		this.addEvent('onFocus', function() {
			this.focused = true;
			this.box.addClass('remooz-box-focus').setStyle('z-index', ReMooz.options.zIndexFocus);
		}, true);

		var classes = ['remooz-box', 'remooz-type-' + this.options.type, 'remooz-engine-' + Browser.Engine.name + Browser.Engine.version];
		if (this.options.className) classes.push(this.options.className);
		this.box = new Element('div', {
			'class': classes.join(' '),
			'styles': {
				'display': 'none',
				'top': 0,
				'left': 0,
				'zIndex': ReMooz.options.zIndex
			}
		});

		this.tweens = {
			'box': new Fx.Morph(this.box, $merge({
					'duration': 400,
					'unit': 'px',
					'transition': Fx.Transitions.Quart.easeOut,
					'chain': 'cancel'
				}, this.options.resizeOptions)
			),
			'fade': new Fx.Tween(null, $merge({
					'property': 'opacity',
					'duration': (Browser.Engine.trident) ? 0 : 300,
					'chain': 'cancel'
				}, this.options.fxOptions)).addEvents({
					'onComplete': function() {
						if (!this.element.get('opacity')) this.element.setStyle('display', 'none');
					},
					'onStart': function() {
						if (!this.element.get('opacity')) this.element.setStyle('display', '');
					}
				}
			)
		};
		this.tweens.fade.element = $$();

		if (this.options.shadow) {
			if (Browser.Engine.webkit420) {
				this.box.setStyle('-webkit-box-shadow', '0 0 10px rgba(0, 0, 0, 0.7)');
			} else if (!Browser.Engine.trident4) {
				var shadow = new Element('div', {'class': 'remooz-bg-wrap'}).inject(this.box);
				['n', 'ne', 'e', 'se', 's', 'sw', 'w', 'nw'].each(function(dir) {
					new Element('div', {'class': 'remooz-bg remooz-bg-' + dir}).inject(shadow);
				});
				this.tweens.bg = new Fx.Tween(shadow, {
					'property': 'opacity',
					'chain': 'cancel'
				}).set(0);
				this.addEvent(this.options.shadow, this.tweens.bg.set.bind(this.tweens.bg, 1), true);
				this.addEvent('onClose', this.tweens.bg.set.bind(this.tweens.bg, 0), true);
			}
		}

		if (this.options.closer) {
			var closer = new Element('a', {
				'class': 'remooz-btn-close',
				'events': {'click': this.bound.close}
			}).inject(this.box);
			this.tweens.fade.element.push(closer);
		}
		this.body = new Element('div', {'class': 'remooz-body'}).inject(this.box);

		var title = this.options.title || this.options.generateTitle.call(this, this.element);
		if (title) { // thx ie6
			var title = new Element('div', {'class': 'remooz-title'}).adopt(
				new Element('div', {'class': 'remooz-title-bg', 'opacity': this.options.opacityTitle}),
				new Element('div', {'class': 'remooz-title-content'}).adopt(title)
			).inject(this.box);
			this.tweens.fade.element.push(title);
		}
		this.tweens.fade.set(0).fireEvent('onComplete');

		this.drag = new Drag.Move(this.box, {
			'snap': 15,
			'preventDefault': true,
			'onBeforeStart': function() {
				if (!this.focused && !this.loading) ReMooz.focus(this);
				else if (this.loading || this.options.closeOnClick) this.box.addEvent('mouseup', this.bound.dragClose);
			}.bind(this),
			'onSnap': function() {
				this.box.removeEvent('mouseup', this.bound.dragClose);
				if (!this.options.dragging) this.drag.stop();
				else this.box.addClass('remooz-box-dragging');
			}.bind(this),
			'onComplete': function() {
				this.box.removeClass('remooz-box-dragging');
			}.bind(this)
		});
		this.drag.detach();

		this.fireEvent('onBuild', this.box, this.element);
		this.box.inject(this.element.getDocument().body);
	}

});

ReMooz.factory = function(extended) {
	return $extend(this, extended);
};

ReMooz.factory(new Options).factory({

	options: {
		zIndex: 41,
		zIndexFocus: 42,
		query: 'a.remooz',
		modal: false
	},

	assign: function(elements, options) {
		return $$(elements).map(function(element) {
			return new ReMooz(element, options);
		}, this);
	},

	stack: [],

	open: function(obj) {
		var last = this.stack.getLast();
		this.focus(obj);
		if (last && this.options.modal) last.close();
	},

	close: function(obj) {
		var length = this.stack.length - 1;
		if (length > 1 && this.stack[length] == obj) this.focus(this.stack[length - 1]);
		this.stack.erase(obj);
	},

	focus: function(obj) {
		var last = this.stack.getLast();
		obj.fireEvent('onFocus', [obj]);
		if (last == obj) return;
		if (last) last.fireEvent('onBlur', [last]);
		this.stack.erase(obj).push(obj);
	}

});
//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2008 Valerio Proietti, <http://mad4milk.net>, MIT Style License.

/*
Script: Fx.Slide.js
	Effect to slide an element in and out of view.

License:
	MIT-style license.
*/

Fx.Slide = new Class({

	Extends: Fx,

	options: {
		mode: 'vertical'
	},

	initialize: function(element, options){
		this.addEvent('complete', function(){
			this.open = (this.wrapper['offset' + this.layout.capitalize()] != 0);
			if (this.open && Browser.Engine.webkit419) this.element.dispose().inject(this.wrapper);
		}, true);
		
		this.element = this.subject = $(element);
		this.parent(options);
		var wrapper = this.element.retrieve('wrapper');			
		this.wrapper = wrapper || new Element('div', {
			styles: $extend(this.element.getStyles('margin', 'position'), {'overflow': 'hidden'})
		}).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){
		var now = [];
		var x = 2;
		x.times(function(i){
			now[i] = Fx.compute(from[i], to[i], delta);
		});
		return now;
	},

	start: function(how, mode){
		if (!this.check(arguments.callee, 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 = (this.wrapper['offset' + this.layout.capitalize()] == 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.Scroll.js
	Effect to smoothly scroll any element, including the window.

License:
	MIT-style license.
*/

Fx.Scroll = new Class({

	Extends: Fx,

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

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

		if ($type(this.element) != 'element') this.element = $(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);
		this.element.scrollTo(now[0], now[1]);
	},

	compute: function(from, to, delta){
		var now = [];
		var x = 2;
		x.times(function(i){
			now.push(Fx.compute(from[i], to[i], delta));
		});
		return now;
	},

	start: function(x, y){
		if (!this.check(arguments.callee, x, y)) return this;
		var offsetSize = this.element.getSize(), scrollSize = this.element.getScrollSize();
		var scroll = this.element.getScroll(), values = {x: x, y: y};
		for (var z in values){
			var max = scrollSize[z] - offsetSize[z];
			if ($chk(values[z])) values[z] = ($type(values[z]) == 'number') ? values[z].limit(0, max) : 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 = $(el).getPosition(this.element);
		return this.start(position.x, position.y);
	}

});


/*
Script: Fx.Elements.js
	Effect to change any number of CSS properties of any number of Elements.

License:
	MIT-style license.
*/

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(arguments.callee, 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
	The base Drag Class. Can be used to drag and resize Elements using mouse events.

License:
	MIT-style license.
*/

var Drag = new Class({

	Implements: [Events, Options],

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

	initialize: function(){
		var params = Array.link(arguments, {'options': Object.type, 'element': $defined});
		this.element = $(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) : $(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 (this.options.preventDefault) event.preventDefault();
		this.fireEvent('beforeStart', this.element);
		this.mouse.start = event.page;
		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).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.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);
	},

	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);
	}

});

Element.implement({
	
	makeResizable: function(options){
		return new Drag(this, $merge({modifiers: {'x': 'width', 'y': 'height'}}, options));
	}

});

/*
Script: Drag.Move.js
	A Drag extension that provides support for the constraining of draggables to containers and droppables.

License:
	MIT-style license.
*/

Drag.Move = new Class({

	Extends: Drag,

	options: {
		droppables: [],
		container: false
	},

	initialize: function(element, options){
		this.parent(element, options);
		this.droppables = $$(this.options.droppables);
		this.container = $(this.options.container);
		if (this.container && $type(this.container) != 'element') this.container = $(this.container.getDocument().body);
		element = this.element;
		
		var current = element.getStyle('position');
		var position = (current != 'static') ? current : 'absolute';
		if (element.getStyle('left') == 'auto' || element.getStyle('top') == 'auto') element.position(element.getPosition(element.offsetParent));
		
		element.setStyle('position', position);
		
		this.addEvent('start', function(){
			this.checkDroppables();
		}, true);
	},

	start: function(event){
		if (this.container){
			var el = this.element, cont = this.container, ccoo = cont.getCoordinates(el.offsetParent), cps = {}, ems = {};

			['top', 'right', 'bottom', 'left'].each(function(pad){
				cps[pad] = cont.getStyle('padding-' + pad).toInt();
				ems[pad] = el.getStyle('margin-' + pad).toInt();
			}, this);

			var width = el.offsetWidth + ems.left + ems.right, height = el.offsetHeight + ems.top + ems.bottom;
			var x = [ccoo.left + cps.left, ccoo.right - cps.right - width];
			var y = [ccoo.top + cps.top, ccoo.bottom - cps.bottom - height];

			this.options.limit = {x: x, y: y};
		}
		this.parent(event);
	},

	checkAgainst: function(el){
		el = 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.overed = overed;
				this.fireEvent('enter', [this.element, overed]);
			} else {
				this.overed = null;
			}
		}
	},

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

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

});

Element.implement({

	makeDraggable: function(options){
		return new Drag.Move(this, options);
	}

});


/*
Script: Hash.Cookie.js
	Class for creating, reading, and deleting Cookies in JSON format.

License:
	MIT-style license.
*/

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

/*
Script: Color.js
	Class for creating and manipulating colors in JavaScript. Supports HSB -> RGB Conversions and vice versa.

License:
	MIT-style license.
*/

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');
	}

});

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

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

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

Array.implement({

	rgbToHsb: function(){
		var red = this[0], green = this[1], blue = this[2];
		var hue, saturation, brightness;
		var max = Math.max(red, green, blue), min = Math.min(red, green, blue);
		var delta = max - min;
		brightness = max / 255;
		saturation = (max != 0) ? delta / max : 0;
		if (saturation == 0){
			hue = 0;
		} else {
			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) ? hsb.rgbToHsb() : null;
	},
	
	hsbToRgb: function(){
		var hsb = this.match(/\d{1,3}/g);
		return (hsb) ? hsb.hsbToRgb() : null;
	}

});


/*
Script: Group.js
	Class for monitoring collections of events

License:
	MIT-style license.
*/

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

License:
	MIT-style license.
*/

var Asset = new Hash({

	javascript: function(source, properties){
		properties = $extend({
			onload: $empty,
			document: document,
			check: $lambda(true)
		}, properties);
		
		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();
			}
		}).setProperties(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 = $(image) || new Element('img');
		['load', 'abort', 'error'].each(function(name){
			var type = 'on' + name;
			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.setProperties(properties);
	},

	images: function(sources, options){
		options = $merge({
			onComplete: $empty,
			onProgress: $empty
		}, options);
		if (!sources.push) sources = [sources];
		var images = [];
		var counter = 0;
		sources.each(function(source){
			var img = new Asset.image(source, {
				'onload': function(){
					options.onProgress.call(this, counter, sources.indexOf(source));
					counter++;
					if (counter == sources.length) options.onComplete();
				}
			});
			images.push(img);
		});
		return new Elements(images);
	}

});

/*
Script: Sortables.js
	Class for creating a drag and drop sorting interface for lists of items.

License:
	MIT-style license.
*/

var Sortables = new Class({

	Implements: [Events, Options],

	options: {/*
		onSort: $empty,
		onStart: $empty,
		onComplete: $empty,*/
		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($$($(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(){
		var elements = [];
		Array.flatten(arguments).each(function(element){
			elements.push(element);
			this.elements.erase(element);
			var start = element.retrieve('sortables:start');
			(this.options.handle ? element.getElement(this.options.handle) || element : element).removeEvent('mousedown', start);
		}, this);
		return $$(elements);
	},

	removeLists: function(){
		var lists = [];
		Array.flatten(arguments).each(function(list){
			lists.push(list);
			this.lists.erase(list);
			this.removeItems(list.getChildren());
		}, this);
		return $$(lists);
	},

	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);
		return element.clone(true).setStyles({
			'margin': '0px',
			'position': 'absolute',
			'visibility': 'hidden',
			'width': element.getStyle('width')
		}).inject(this.list).position(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: Tips.js
	Class for creating nice tips that follow the mouse cursor when hovering an element.

License:
	MIT-style license.
*/

var Tips = new Class({

	Implements: [Events, Options],

	options: {
		onShow: function(tip){
			tip.setStyle('visibility', 'visible');
		},
		onHide: function(tip){
			tip.setStyle('visibility', 'hidden');
		},
		showDelay: 100,
		hideDelay: 100,
		className: null,
		offsets: {x: 16, y: 16},
		fixed: false
	},

	initialize: function(){
		var params = Array.link(arguments, {options: Object.type, elements: $defined});
		this.setOptions(params.options || null);
		
		this.tip = new Element('div').inject(document.body);
		
		if (this.options.className) this.tip.addClass(this.options.className);
		
		var top = new Element('div', {'class': 'tip-top'}).inject(this.tip);
		this.container = new Element('div', {'class': 'tip'}).inject(this.tip);
		var bottom = new Element('div', {'class': 'tip-bottom'}).inject(this.tip);

		this.tip.setStyles({position: 'absolute', top: 0, left: 0, visibility: 'hidden'});
		
		if (params.elements) this.attach(params.elements);
	},
	
	attach: function(elements){
		$$(elements).each(function(element){
			var title = element.retrieve('tip:title', element.get('title'));
			var text = element.retrieve('tip:text', element.get('rel') || element.get('href'));
			var enter = element.retrieve('tip:enter', this.elementEnter.bindWithEvent(this, element));
			var leave = element.retrieve('tip:leave', this.elementLeave.bindWithEvent(this, element));
			element.addEvents({mouseenter: enter, mouseleave: leave});
			if (!this.options.fixed){
				var move = element.retrieve('tip:move', this.elementMove.bindWithEvent(this, element));
				element.addEvent('mousemove', move);
			}
			element.store('tip:native', element.get('title'));
			element.erase('title');
		}, this);
		return this;
	},
	
	detach: function(elements){
		$$(elements).each(function(element){
			element.removeEvent('mouseenter', element.retrieve('tip:enter') || $empty);
			element.removeEvent('mouseleave', element.retrieve('tip:leave') || $empty);
			element.removeEvent('mousemove', element.retrieve('tip:move') || $empty);
			element.eliminate('tip:enter').eliminate('tip:leave').eliminate('tip:move');
			var original = element.retrieve('tip:native');
			if (original) element.set('title', original);
		});
		return this;
	},
	
	elementEnter: function(event, element){
		
		$A(this.container.childNodes).each(Element.dispose);
		
		var title = element.retrieve('tip:title');
		
		if (title){
			this.titleElement = new Element('div', {'class': 'tip-title'}).inject(this.container);
			this.fill(this.titleElement, title);
		}
		
		var text = element.retrieve('tip:text');
		if (text){
			this.textElement = new Element('div', {'class': 'tip-text'}).inject(this.container);
			this.fill(this.textElement, text);
		}
		
		this.timer = $clear(this.timer);
		this.timer = this.show.delay(this.options.showDelay, this);

		this.position((!this.options.fixed) ? event : {page: element.getPosition()});
	},
	
	elementLeave: function(event){
		$clear(this.timer);
		this.timer = this.hide.delay(this.options.hideDelay, this);
	},
	
	elementMove: function(event){
		this.position(event);
	},
	
	position: function(event){
		var size = window.getSize(), scroll = window.getScroll();
		var tip = {x: this.tip.offsetWidth, y: this.tip.offsetHeight};
		var props = {x: 'left', y: 'top'};
		for (var z in props){
			var pos = event.page[z] + this.options.offsets[z];
			if ((pos + tip[z] - scroll[z]) > size[z]) pos = event.page[z] - this.options.offsets[z] - tip[z];
			this.tip.setStyle(props[z], pos);
		}
	},
	
	fill: function(element, contents){
		(typeof contents == 'string') ? element.set('html', contents) : element.adopt(contents);
	},

	show: function(){
		this.fireEvent('show', this.tip);
	},

	hide: function(){
		this.fireEvent('hide', this.tip);
	}

});

var Tips2 = new Class({

	Implements: [Events, Options],

	options: {
		onShow: function(tip){
			tip.setStyle('visibility', 'visible');
		},
		onHide: function(tip){
			tip.setStyle('visibility', 'hidden');
		},
		showDelay: 100,
		hideDelay: 100,
		className: null,
		offsets: {x: 16, y: 16},
		fixed: false
	},

	initialize: function(){
		var params = Array.link(arguments, {options: Object.type, elements: $defined});
		this.setOptions(params.options || null);
		
		this.tip = new Element('div').inject(document.body);
		
		if (this.options.className) this.tip.addClass(this.options.className);
		
		var top = new Element('div', {'class': 'tip-top'}).inject(this.tip);
		this.container = new Element('div', {'class': 'tip'}).inject(this.tip);
		var bottom = new Element('div', {'class': 'tip-bottom'}).inject(this.tip);

		this.tip.setStyles({position: 'absolute', top: 0, left: 0, visibility: 'hidden'});
		
		if (params.elements) this.attach(params.elements);
	},
	
	attach: function(elements){
		$$(elements).each(function(element){
			var title = element.retrieve('tip:title', element.get('title'));
			var text = element.retrieve('tip:text', element.get('alt') || element.get('href'));
			var enter = element.retrieve('tip:enter', this.elementEnter.bindWithEvent(this, element));
			var leave = element.retrieve('tip:leave', this.elementLeave.bindWithEvent(this, element));
			element.addEvents({mouseenter: enter, mouseleave: leave});
			if (!this.options.fixed){
				var move = element.retrieve('tip:move', this.elementMove.bindWithEvent(this, element));
				element.addEvent('mousemove', move);
			}
			element.store('tip:native', element.get('title'));
			element.erase('title');
		}, this);
		return this;
	},
	
	detach: function(elements){
		$$(elements).each(function(element){
			element.removeEvent('mouseenter', element.retrieve('tip:enter') || $empty);
			element.removeEvent('mouseleave', element.retrieve('tip:leave') || $empty);
			element.removeEvent('mousemove', element.retrieve('tip:move') || $empty);
			element.eliminate('tip:enter').eliminate('tip:leave').eliminate('tip:move');
			var original = element.retrieve('tip:native');
			if (original) element.set('title', original);
		});
		return this;
	},
	
	elementEnter: function(event, element){
		
		$A(this.container.childNodes).each(Element.dispose);
		
		var title = element.retrieve('tip:title');
		
		if (title){
			this.titleElement = new Element('div', {'class': 'tip-title'}).inject(this.container);
			this.fill(this.titleElement, title);
		}
		
		var text = element.retrieve('tip:text');
		if (text){
			this.textElement = new Element('div', {'class': 'tip-text'}).inject(this.container);
			this.fill(this.textElement, text);
		}
		
		this.timer = $clear(this.timer);
		this.timer = this.show.delay(this.options.showDelay, this);

		this.position((!this.options.fixed) ? event : {page: element.getPosition()});
	},
	
	elementLeave: function(event){
		$clear(this.timer);
		this.timer = this.hide.delay(this.options.hideDelay, this);
	},
	
	elementMove: function(event){
		this.position(event);
	},
	
	position: function(event){
		var size = window.getSize(), scroll = window.getScroll();
		var tip = {x: this.tip.offsetWidth, y: this.tip.offsetHeight};
		var props = {x: 'left', y: 'top'};
		for (var z in props){
			var pos = event.page[z] + this.options.offsets[z];
			if ((pos + tip[z] - scroll[z]) > size[z]) pos = event.page[z] - this.options.offsets[z] - tip[z];
			this.tip.setStyle(props[z], pos);
		}
	},
	
	fill: function(element, contents){
		(typeof contents == 'string') ? element.set('html', contents) : element.adopt(contents);
	},

	show: function(){
		this.fireEvent('show', this.tip);
	},

	hide: function(){
		this.fireEvent('hide', this.tip);
	}

});

/*
Script: SmoothScroll.js
	Class for creating a smooth scrolling effect to all internal links on the page.

License:
	MIT-style license.
*/

var SmoothScroll = new Class({

	Extends: Fx.Scroll,

	initialize: function(options, context){
		context = context || document;
		var doc = context.getDocument(), win = context.getWindow();
		this.parent(doc, options);
		this.links = (this.options.links) ? $$(this.options.links) : $$(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 && $(anchor)) this.useLink(link, anchor);
		}, this);
		if (!Browser.Engine.webkit419) this.addEvent('complete', function(){
			win.location.hash = this.anchor;
		}, true);
	},

	useLink: function(link, anchor){
		link.addEvent('click', function(event){
			this.anchor = anchor;
			this.toElement(anchor);
			event.stop();
		}.bind(this));
	}

});

/*
Script: Slider.js
	Class for creating horizontal and vertical slider controls.

License:
	MIT-style license.
*/

var Slider = new Class({

	Implements: [Events, Options],

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

	initialize: function(element, knob, options){
		this.setOptions(options);
		this.element = $(element);
		this.knob = $(knob);
		this.previousChange = this.previousEnd = this.step = -1;
		this.element.addEvent('mousedown', this.clickedElement.bind(this));
		if (this.options.wheel) this.element.addEvent('mousewheel', this.scrolledElement.bindWithEvent(this));
		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.half = this.knob[offset] / 2;
		this.full = this.element[offset] - this.knob[offset] + (this.options.offset * 2);
		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.offset);
		modifiers[this.axis] = this.property;
		limit[this.axis] = [- this.options.offset, this.full - this.options.offset];
		this.drag = new Drag(this.knob, {
			snap: 0,
			limit: limit,
			modifiers: modifiers,
			onDrag: this.draggedKnob.bind(this),
			onStart: this.draggedKnob.bind(this),
			onComplete: function(){
				this.draggedKnob();
				this.end();
			}.bind(this)
		});
		if (this.options.snap) {
			this.drag.options.grid = Math.ceil(this.stepWidth);
			this.drag.options.limit[this.axis][1] = this.full;
		}
	},

	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.end();
		this.fireEvent('tick', this.toPosition(this.step));
		return this;
	},

	clickedElement: function(event){
		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.end();
		this.fireEvent('tick', position);
	},
	
	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: Scroller.js
	Class which scrolls the contents of any Element (including the window) when the mouse reaches the Element's boundaries.

License:
	MIT-style license.
*/

var Scroller = new Class({

	Implements: [Events, Options],

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

	initialize: function(element, options){
		this.setOptions(options);
		this.element = $(element);
		this.listener = ($type(this.element) != 'element') ? $(this.element.getDocument().body) : this.element;
		this.timer = null;
		this.coord = this.getCoords.bind(this);
	},

	start: function(){
		this.listener.addEvent('mousemove', this.coord);
	},

	stop: function(){
		this.listener.removeEvent('mousemove', this.coord);
		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(50, this);
	},

	scroll: function(){
		var size = this.element.getSize(), scroll = this.element.getScroll(), pos = this.element.getPosition(), 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]) && size[z] + size[z] != scroll[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: Accordion.js
	An Fx.Elements extension which allows you to easily create accordion type controls.

License:
	MIT-style license.
*/

var Accordion = new Class({

	Extends: Fx.Elements,

	options: {/*
		onActive: $empty,
		onBackground: $empty,*/
		display: 0,
		show: false,
		height: true,
		width: false,
		opacity: true,
		fixedHeight: false,
		fixedWidth: false,
		wait: false,
		alwaysHide: false
	},

	initialize: function(){
		var params = Array.link(arguments, {'container': Element.type, 'options': Object.type, 'togglers': $defined, 'elements': $defined});
		this.parent(params.elements, params.options);
		this.togglers = $$(params.togglers);
		this.container = $(params.container);
		this.previous = -1;
		if (this.options.alwaysHide) this.options.wait = true;
		if ($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.display(this.options.display);
	},

	addSection: function(toggler, element, pos){
		toggler = $(toggler);
		element = $(element);
		var test = this.togglers.contains(toggler);
		var len = this.togglers.length;
		this.togglers.include(toggler);
		this.elements.include(element);
		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);
		}
		var idx = this.togglers.indexOf(toggler);
		toggler.addEvent('click', this.display.bind(this, idx));
		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;
	},

	display: function(index){
		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 = (i != index) || (this.options.alwaysHide && (el.offsetHeight > 0));
			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);
		return this.start(obj);
	}

});