// MooTools: the javascript framework.
// Load this file's selection again by visiting: http://mootools.net/more/1c6a1aceacfe03839ac7f8d544fc6d31 
// Or build this file again with packager using: packager build More/Element.Measure More/Element.Shortcuts More/Fx.Accordion More/Fx.Scroll More/Fx.Slide More/Slider More/Assets
/*
---

script: More.js

name: More

description: MooTools More

license: MIT-style license

authors:
  - Guillermo Rauch
  - Thomas Aylott
  - Scott Kyle
  - Arian Stolwijk
  - Tim Wienk
  - Christoph Pojer
  - Aaron Newton
  - Jacob Thornton

requires:
  - Core/MooTools

provides: [MooTools.More]

...
*/

MooTools.More = {
	'version': '1.4.0.1',
	'build': 'a4244edf2aa97ac8a196fc96082dd35af1abab87'
};


/*
---

script: Element.Measure.js

name: Element.Measure

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/Element.Style
  - Core/Element.Dimensions
  - /MooTools.More

provides: [Element.Measure]

...
*/

(function(){

var getStylesList = function(styles, planes){
	var list = [];
	Object.each(planes, function(directions){
		Object.each(directions, function(edge){
			styles.each(function(style){
				list.push(style + '-' + edge + (style == 'border' ? '-width' : ''));
			});
		});
	});
	return list;
};

var calculateEdgeSize = function(edge, styles){
	var total = 0;
	Object.each(styles, function(value, style){
		if (style.test(edge)) total = total + value.toInt();
	});
	return total;
};

var isVisible = function(el){
	return !!(!el || el.offsetHeight || el.offsetWidth);
};


Element.implement({

	measure: function(fn){
		if (isVisible(this)) return fn.call(this);
		var parent = this.getParent(),
			toMeasure = [];
		while (!isVisible(parent) && parent != document.body){
			toMeasure.push(parent.expose());
			parent = parent.getParent();
		}
		var restore = this.expose(),
			result = fn.call(this);
		restore();
		toMeasure.each(function(restore){
			restore();
		});
		return result;
	},

	expose: function(){
		if (this.getStyle('display') != 'none') return function(){};
		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 = Object.merge({computeSize: false}, options);
		var dim = {x: 0, y: 0};

		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){}
		}

		return Object.append(dim, (dim.x || dim.x === 0) ? {
				width: dim.x,
				height: dim.y
			} : {
				x: dim.width,
				y: dim.height
			}
		);
	},

	getComputedSize: function(options){
		

		options = Object.merge({
			styles: ['padding','border'],
			planes: {
				height: ['top','bottom'],
				width: ['left','right']
			},
			mode: 'both'
		}, options);

		var styles = {},
			size = {width: 0, height: 0},
			dimensions;

		if (options.mode == 'vertical'){
			delete size.width;
			delete options.planes.width;
		} else if (options.mode == 'horizontal'){
			delete size.height;
			delete options.planes.height;
		}

		getStylesList(options.styles, options.planes).each(function(style){
			styles[style] = this.getStyle(style).toInt();
		}, this);

		Object.each(options.planes, function(edges, plane){

			var capitalized = plane.capitalize(),
				style = this.getStyle(plane);

			if (style == 'auto' && !dimensions) dimensions = this.getDimensions();

			style = styles[plane] = (style == 'auto') ? dimensions[plane] : style.toInt();
			size['total' + capitalized] = style;

			edges.each(function(edge){
				var edgesize = calculateEdgeSize(edge, styles);
				size['computed' + edge.capitalize()] = edgesize;
				size['total' + capitalized] += edgesize;
			});

		}, this);

		return Object.append(size, styles);
	}

});

})();


/*
---

script: Element.Shortcuts.js

name: Element.Shortcuts

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

license: MIT-style license

authors:
  - Aaron Newton

requires:
  - Core/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.style.display != 'none';
	},

	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){}
		if (d == 'none') return this;
		return this.store('element:_originalDisplay', d || '').setStyle('display', 'none');
	},

	show: function(display){
		if (!display && this.isDisplayed()) return this;
		display = display || this.retrieve('element:_originalDisplay') || 'block';
		return this.setStyle('display', (display == 'none') ? 'block' : display);
	},

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

});

Document.implement({

	clearSelection: function(){
		if (window.getSelection){
			var selection = window.getSelection();
			if (selection && selection.removeAllRanges) selection.removeAllRanges();
		} else if (document.selection && document.selection.empty){
			try {
				//IE fails here if selected element is not in dom
				document.selection.empty();
			} catch(e){}
		}
	}

});


/*
---

script: Fx.Elements.js

name: Fx.Elements

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

license: MIT-style license

authors:
  - Valerio Proietti

requires:
  - Core/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){
			if (!this.elements[i]) continue;

			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){
			if (!this.elements[i]) continue;

			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

name: Fx.Accordion

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

license: MIT-style license

authors:
  - Valerio Proietti

requires:
  - Core/Element.Event
  - /Fx.Elements

provides: [Fx.Accordion]

...
*/

Fx.Accordion = new Class({

	Extends: Fx.Elements,

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

	initialize: function(){
		var defined = function(obj){
			return obj != null;
		};

		var params = Array.link(arguments, {
			'container': Type.isElement, //deprecated
			'options': Type.isObject,
			'togglers': defined,
			'elements': defined
		});
		this.parent(params.elements, params.options);

		var options = this.options,
			togglers = this.togglers = $$(params.togglers);

		this.previous = -1;
		this.internalChain = new Chain();

		if (options.alwaysHide) this.options.link = 'chain';

		if (options.show || this.options.show === 0){
			options.display = false;
			this.previous = options.show;
		}

		if (options.start){
			options.display = false;
			options.show = false;
		}

		var effects = this.effects = {};

		if (options.opacity) effects.opacity = 'fullOpacity';
		if (options.width) effects.width = options.fixedWidth ? 'fullWidth' : 'offsetWidth';
		if (options.height) effects.height = options.fixedHeight ? 'fullHeight' : 'scrollHeight';

		for (var i = 0, l = togglers.length; i < l; i++) this.addSection(togglers[i], this.elements[i]);

		this.elements.each(function(el, i){
			if (options.show === i){
				this.fireEvent('active', [togglers[i], el]);
			} else {
				for (var fx in effects) el.setStyle(fx, 0);
			}
		}, this);

		if (options.display || options.display === 0 || options.initialDisplayFx === false){
			this.display(options.display, options.initialDisplayFx);
		}

		if (options.fixedHeight !== false) options.resetHeight = false;
		this.addEvent('complete', this.internalChain.callChain.bind(this.internalChain));
	},

	addSection: function(toggler, element){
		toggler = document.id(toggler);
		element = document.id(element);
		this.togglers.include(toggler);
		this.elements.include(element);

		var togglers = this.togglers,
			options = this.options,
			test = togglers.contains(toggler),
			idx = togglers.indexOf(toggler),
			displayer = this.display.pass(idx, this);

		toggler.store('accordion:display', displayer)
			.addEvent(options.trigger, displayer);

		if (options.height) element.setStyles({'padding-top': 0, 'border-top': 'none', 'padding-bottom': 0, 'border-bottom': 'none'});
		if (options.width) element.setStyles({'padding-left': 0, 'border-left': 'none', 'padding-right': 0, 'border-right': 'none'});

		element.fullOpacity = 1;
		if (options.fixedWidth) element.fullWidth = options.fixedWidth;
		if (options.fixedHeight) element.fullHeight = options.fixedHeight;
		element.setStyle('overflow', 'hidden');

		if (!test) for (var fx in this.effects){
			element.setStyle(fx, 0);
		}
		return this;
	},

	removeSection: function(toggler, displayIndex){
		var togglers = this.togglers,
			idx = togglers.indexOf(toggler),
			element = this.elements[idx];

		var remover = function(){
			togglers.erase(toggler);
			this.elements.erase(element);
			this.detach(toggler);
		}.bind(this);

		if (this.now == idx || displayIndex != null){
			this.display(displayIndex != null ? displayIndex : (idx - 1 >= 0 ? idx - 1 : 0)).chain(remover);
		} else {
			remover();
		}
		return this;
	},

	detach: function(toggler){
		var remove = function(toggler){
			toggler.removeEvent(this.options.trigger, toggler.retrieve('accordion:display'));
		}.bind(this);

		if (!toggler) this.togglers.each(remove);
		else remove(toggler);
		return this;
	},

	display: function(index, useFx){
		if (!this.check(index, useFx)) return this;

		var obj = {},
			elements = this.elements,
			options = this.options,
			effects = this.effects;

		if (useFx == null) useFx = true;
		if (typeOf(index) == 'element') index = elements.indexOf(index);
		if (index == this.previous && !options.alwaysHide) return this;

		if (options.resetHeight){
			var prev = elements[this.previous];
			if (prev && !this.selfHidden){
				for (var fx in effects) prev.setStyle(fx, prev[effects[fx]]);
			}
		}

		if ((this.timer && options.link == 'chain') || (index === this.previous && !options.alwaysHide)) return this;

		this.previous = index;
		this.selfHidden = false;

		elements.each(function(el, i){
			obj[i] = {};
			var hide;
			if (i != index){
				hide = true;
			} else if (options.alwaysHide && ((el.offsetHeight > 0 && options.height) || el.offsetWidth > 0 && options.width)){
				hide = true;
				this.selfHidden = true;
			}
			this.fireEvent(hide ? 'background' : 'active', [this.togglers[i], el]);
			for (var fx in effects) obj[i][fx] = hide ? 0 : el[effects[fx]];
			if (!useFx && !hide && options.resetHeight) obj[i].height = 'auto';
		}, this);

		this.internalChain.clearChain();
		this.internalChain.chain(function(){
			if (options.resetHeight && !this.selfHidden){
				var el = elements[index];
				if (el) el.setStyle('height', 'auto');
			}
		}.bind(this));

		return useFx ? this.start(obj) : this.set(obj).internalChain.callChain();
	}

});




/*
---

script: Fx.Scroll.js

name: Fx.Scroll

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

license: MIT-style license

authors:
  - Valerio Proietti

requires:
  - Core/Fx
  - Core/Element.Event
  - Core/Element.Dimensions
  - /MooTools.More

provides: [Fx.Scroll]

...
*/

(function(){

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);

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

		if (this.options.wheelStops){
			var stopper = this.element,
				cancel = this.cancel.pass(false, this);
			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.firefox) now = [Math.round(now[0]), Math.round(now[1])]; // not needed anymore in newer firefox versions
		this.element.scrollTo(now[0], 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(x, y){
		if (!this.check(x, y)) return this;
		var scroll = this.element.getScroll();
		return this.parent([scroll.x, scroll.y], [x, y]);
	},

	calculateScroll: function(x, y){
		var element = this.element,
			scrollSize = element.getScrollSize(),
			scroll = element.getScroll(),
			size = element.getSize(),
			offset = this.options.offset,
			values = {x: x, y: y};

		for (var z in values){
			if (!values[z] && values[z] !== 0) values[z] = scroll[z];
			if (typeOf(values[z]) != 'number') values[z] = scrollSize[z] - size[z];
			values[z] += offset[z];
		}

		return [values.x, values.y];
	},

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

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

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

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

	toElement: function(el, axes){
		axes = axes ? Array.from(axes) : ['x', 'y'];
		var scroll = isBody(this.element) ? {x: 0, y: 0} : this.element.getScroll();
		var position = Object.map(document.id(el).getPosition(this.element), function(value, axis){
			return axes.contains(axis) ? value + scroll[axis] : false;
		});
		return this.start.apply(this, this.calculateScroll(position.x, position.y));
	},

	toElementEdge: function(el, axes, offset){
		axes = axes ? Array.from(axes) : ['x', 'y'];
		el = document.id(el);
		var to = {},
			position = el.getPosition(this.element),
			size = el.getSize(),
			scroll = this.element.getScroll(),
			containerSize = this.element.getSize(),
			edge = {
				x: position.x + size.x,
				y: position.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 (position[axis] < scroll[axis]) to[axis] = position[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;
	},

	toElementCenter: function(el, axes, offset){
		axes = axes ? Array.from(axes) : ['x', 'y'];
		el = document.id(el);
		var to = {},
			position = el.getPosition(this.element),
			size = el.getSize(),
			scroll = this.element.getScroll(),
			containerSize = this.element.getSize();

		['x', 'y'].each(function(axis){
			if (axes.contains(axis)){
				to[axis] = position[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;
	}

});



function isBody(element){
	return (/^(?:body|html)$/i).test(element.tagName);
}

})();


/*
---

script: Fx.Slide.js

name: Fx.Slide

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

license: MIT-style license

authors:
  - Valerio Proietti

requires:
  - Core/Fx
  - Core/Element.Style
  - /MooTools.More

provides: [Fx.Slide]

...
*/

Fx.Slide = new Class({

	Extends: Fx,

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

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

		var wrapper = element.retrieve('wrapper'),
			styles = element.getStyles('margin', 'position', 'overflow');

		if (options.hideOverflow) styles = Object.append(styles, {overflow: 'hidden'});
		if (options.wrapper) wrapper = document.id(options.wrapper).setStyles(styles);

		if (!wrapper) wrapper = new Element('div', {
			styles: styles
		}).wraps(element);

		element.store('wrapper', wrapper).setStyle('margin', 0);
		if (element.getStyle('overflow') == 'visible') element.setStyle('overflow', 'hidden');

		this.now = [];
		this.open = true;
		this.wrapper = wrapper;

		this.addEvent('complete', function(){
			this.open = (wrapper['offset' + this.layout.capitalize()] != 0);
			if (this.open && this.options.resetHeight) wrapper.setStyle('height', '');
		}, 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(),
			layout = this.wrapper.getStyle(this.layout).toInt(),
			caseIn = [[margin, layout], [0, this.offset]],
			caseOut = [[margin, layout], [-this.offset, 0]],
			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){
		this.get('slide').cancel().setOptions(options);
		return this;
	},

	get: function(){
		var slide = this.retrieve('slide');
		if (!slide){
			slide = new Fx.Slide(this, {link: 'cancel'});
			this.store('slide', slide);
		}
		return 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: Class.Binds.js

name: Class.Binds

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

license: MIT-style license

authors:
  - Aaron Newton

requires:
  - Core/Class
  - /MooTools.More

provides: [Class.Binds]

...
*/

Class.Mutators.Binds = function(binds){
	if (!this.prototype.initialize) this.implement('initialize', function(){});
	return Array.from(binds).concat(this.prototype.Binds || []);
};

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


/*
---

script: Drag.js

name: Drag

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/Events
  - Core/Options
  - Core/Element.Event
  - Core/Element.Style
  - Core/Element.Dimensions
  - /MooTools.More

provides: [Drag]
...

*/

var Drag = new Class({

	Implements: [Events, Options],

	options: {/*
		onBeforeStart: function(thisElement){},
		onStart: function(thisElement, event){},
		onSnap: function(thisElement){},
		onDrag: function(thisElement, event){},
		onCancel: function(thisElement){},
		onComplete: function(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': Type.isObject,
			'element': function(obj){
				return obj != null;
			}
		});

		this.element = document.id(params.element);
		this.document = this.element.getDocument();
		this.setOptions(params.options || {});
		var htype = typeOf(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.ie) ? 'selectstart' : 'mousedown';


		if (Browser.ie && !Drag.ondragstartFixed){
			document.ondragstart = Function.from(false);
			Drag.ondragstartFixed = true;
		}

		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: Function.from(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){
		var options = this.options;

		if (event.rightClick) return;

		if (options.preventDefault) event.preventDefault();
		if (options.stopPropagation) event.stopPropagation();
		this.mouse.start = event.page;

		this.fireEvent('beforeStart', this.element);

		var limit = options.limit;
		this.limit = {x: [], y: []};

		var z, coordinates;
		for (z in options.modifiers){
			if (!options.modifiers[z]) continue;

			var style = this.element.getStyle(options.modifiers[z]);

			// Some browsers (IE and Opera) don't always return pixels.
			if (style && !style.match(/px$/)){
				if (!coordinates) coordinates = this.element.getCoordinates(this.element.getOffsetParent());
				style = coordinates[options.modifiers[z]];
			}

			if (options.style) this.value.now[z] = (style || 0).toInt();
			else this.value.now[z] = this.element[options.modifiers[z]];

			if (options.invert) this.value.now[z] *= -1;

			this.mouse.pos[z] = event.page[z] - this.value.now[z];

			if (limit && limit[z]){
				var i = 2;
				while (i--){
					var limitZI = limit[z][i];
					if (limitZI || limitZI === 0) this.limit[z][i] = (typeof limitZI == 'function') ? limitZI() : limitZI;
				}
			}
		}

		if (typeOf(this.options.grid) == 'number') this.options.grid = {
			x: this.options.grid,
			y: this.options.grid
		};

		var events = {
			mousemove: this.bound.check,
			mouseup: this.bound.cancel
		};
		events[this.selection] = this.bound.eventStop;
		this.document.addEvents(events);
	},

	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){
		var options = this.options;

		if (options.preventDefault) event.preventDefault();
		this.mouse.now = event.page;

		for (var z in options.modifiers){
			if (!options.modifiers[z]) continue;
			this.value.now[z] = this.mouse.now[z] - this.mouse.pos[z];

			if (options.invert) this.value.now[z] *= -1;

			if (options.limit && this.limit[z]){
				if ((this.limit[z][1] || this.limit[z][1] === 0) && (this.value.now[z] > this.limit[z][1])){
					this.value.now[z] = this.limit[z][1];
				} else if ((this.limit[z][0] || this.limit[z][0] === 0) && (this.value.now[z] < this.limit[z][0])){
					this.value.now[z] = this.limit[z][0];
				}
			}

			if (options.grid[z]) this.value.now[z] -= ((this.value.now[z] - (this.limit[z][0]||0)) % options.grid[z]);

			if (options.style) this.element.setStyle(options.modifiers[z], this.value.now[z] + options.unit);
			else this.element[options.modifiers[z]] = this.value.now[z];
		}

		this.fireEvent('drag', [this.element, event]);
	},

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

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

});

Element.implement({

	makeResizable: function(options){
		var drag = new Drag(this, Object.merge({
			modifiers: {
				x: 'width',
				y: 'height'
			}
		}, options));

		this.store('resizer', drag);
		return drag.addEvent('drag', function(){
			this.fireEvent('resize', drag);
		}.bind(this));
	}

});


/*
---

script: Slider.js

name: Slider

description: Class for creating horizontal and vertical slider controls.

license: MIT-style license

authors:
  - Valerio Proietti

requires:
  - Core/Element.Dimensions
  - /Class.Binds
  - /Drag
  - /Element.Measure

provides: [Slider]

...
*/

var Slider = new Class({

	Implements: [Events, Options],

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

	options: {/*
		onTick: function(intPosition){},
		onChange: function(intStep){},
		onComplete: function(strStep){},*/
		onTick: function(position){
			this.setKnobPosition(position);
		},
		initialStep: 0,
		snap: false,
		offset: 0,
		range: false,
		wheel: false,
		steps: 100,
		mode: 'horizontal'
	},

	initialize: function(element, knob, options){
		this.setOptions(options);
		options = this.options;
		this.element = document.id(element);
		knob = this.knob = document.id(knob);
		this.previousChange = this.previousEnd = this.step = -1;

		var limit = {},
			modifiers = {x: false, y: false};

		switch (options.mode){
			case 'vertical':
				this.axis = 'y';
				this.property = 'top';
				this.offset = 'offsetHeight';
				break;
			case 'horizontal':
				this.axis = 'x';
				this.property = 'left';
				this.offset = 'offsetWidth';
		}

		this.setSliderDimensions();
		this.setRange(options.range);

		if (knob.getStyle('position') == 'static') knob.setStyle('position', 'relative');
		knob.setStyle(this.property, -options.offset);
		modifiers[this.axis] = this.property;
		limit[this.axis] = [-options.offset, this.full - 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 (options.snap) this.setSnap(dragOptions);

		this.drag = new Drag(knob, dragOptions);
		this.attach();
		if (options.initialStep != null) this.set(options.initialStep);
	},

	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)
			.removeEvent('mousewheel', this.scrolledElement);
		this.drag.detach();
		return this;
	},

	autosize: function(){
		this.setSliderDimensions()
			.setKnobPosition(this.toPosition(this.step));
		this.drag.options.limit[this.axis] = [-this.options.offset, this.full - this.options.offset];
		if (this.options.snap) this.setSnap();
		return this;
	},

	setSnap: function(options){
		if (!options) options = this.drag.options;
		options.grid = Math.ceil(this.stepWidth);
		options.limit[this.axis][1] = this.full;
		return this;
	},

	setKnobPosition: function(position){
		if (this.options.snap) position = this.toPosition(this.step);
		this.knob.setStyle(this.property, position);
		return this;
	},

	setSliderDimensions: function(){
		this.full = this.element.measure(function(){
			this.half = this.knob[this.offset] / 2;
			return this.element[this.offset] - this.knob[this.offset] + (this.options.offset * 2);
		}.bind(this));
		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);
		return this.checkStep()
			.fireEvent('tick', this.toPosition(this.step))
			.end();
	},

	setRange: function(range, pos){
		this.min = Array.pick([range[0], 0]);
		this.max = Array.pick([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);
		if (range) this.set(Array.pick([pos, this.step]).floor(this.min).max(this.max));
		return this;
	},

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

		var dir = this.range < 0 ? -1 : 1,
			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()
			.fireEvent('tick', position)
			.end();
	},

	scrolledElement: function(event){
		var mode = (this.options.mode == 'horizontal') ? (event.wheel < 0) : (event.wheel > 0);
		this.set(this.step + (mode ? -1 : 1) * this.stepSize);
		event.stop();
	},

	draggedKnob: function(){
		var dir = this.range < 0 ? -1 : 1,
			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(){
		var step = this.step;
		if (this.previousChange != step){
			this.previousChange = step;
			this.fireEvent('change', step);
		}
		return this;
	},

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

	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: Assets.js

name: Assets

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

license: MIT-style license

authors:
  - Valerio Proietti

requires:
  - Core/Element.Event
  - /MooTools.More

provides: [Assets]

...
*/

var Asset = {

	javascript: function(source, properties){
		if (!properties) properties = {};

		var script = new Element('script', {src: source, type: 'text/javascript'}),
			doc = properties.document || document,
			load = properties.onload || properties.onLoad;

		delete properties.onload;
		delete properties.onLoad;
		delete properties.document;

		if (load){
			if (typeof script.onreadystatechange != 'undefined'){
				script.addEvent('readystatechange', function(){
					if (['loaded', 'complete'].contains(this.readyState)) load.call(this);
				});
			} else {
				script.addEvent('load', load);
			}
		}

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

	css: function(source, properties){
		if (!properties) properties = {};

		var link = new Element('link', {
			rel: 'stylesheet',
			media: 'screen',
			type: 'text/css',
			href: source
		});

		var load = properties.onload || properties.onLoad,
			doc = properties.document || document;

		delete properties.onload;
		delete properties.onLoad;
		delete properties.document;

		if (load) link.addEvent('load', load);
		return link.set(properties).inject(doc.head);
	},

	image: function(source, properties){
		if (!properties) properties = {};

		var image = new Image(),
			element = document.id(image) || new Element('img');

		['load', 'abort', 'error'].each(function(name){
			var type = 'on' + name,
				cap = 'on' + name.capitalize(),
				event = properties[type] || properties[cap] || function(){};

			delete properties[cap];
			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){
		sources = Array.from(sources);

		var fn = function(){},
			counter = 0;

		options = Object.merge({
			onComplete: fn,
			onProgress: fn,
			onError: fn,
			properties: {}
		}, options);

		return new Elements(sources.map(function(source, index){
			return Asset.image(source, Object.append(options.properties, {
				onload: function(){
					counter++;
					options.onProgress.call(this, counter, index, source);
					if (counter == sources.length) options.onComplete();
				},
				onerror: function(){
					counter++;
					options.onError.call(this, counter, index, source);
					if (counter == sources.length) options.onComplete();
				}
			}));
		}));
	}

};