/*	---------------------------------------------------------------------------
	CLASS:		Layout(el[,columns])
	AUTHOR:		Ryan J. Salva, http://www.capitolmedia.com
	LICENSE:	MIT License, <http://en.wikipedia.org/wiki/MIT_License>	
	REVISED:	January 2008
	EXAMPLE:	<div id="Wrapper"><div id="Left">Foo</div><div id="Right">Bar</div></div>
				var x = new Layout('Wrapper',['Left','Right']);
	ABOUT:		Utility function designed to fix any layout using aboslute positioning for each column
				Adjusts the page to make wrapper as tall as the highest column (left, right, etc.)
				Most Capitol Media websites use the column ids: Left, Right, Middle and Canvas	
*/

var Layout = new Class({
	initialize: function(el,columns){
		this.columns = columns;
		this.el = $(el);
		if (!$defined(this.el)) return false;
		
		this.el.setStyle('overflow','hidden');
		this.columns.each(function(col,index) {
			this.columns[index] = $(col);
		}.bind(this));
		this.columns = this.columns.clean();
		this.el.set('tween', {duration: 100});
		this.periodical = this.update.bind(this).periodical(200);
	},
	update: function() {
		var y = 0;
		this.columns.each(function(col,index) {
			var h = col.getCoordinates().height;
			if(h > y) y = h;
		});
		this.el.tween('height',y);
	}
});


/*	---------------------------------------------------------------------------
	CLASS:		Element
	METHOD:		fix();
	ABOUT:		Fixes alpha transparency in IE6
	REVISED:	February 27, 2008
*/

Element.implement({
	fix: function(){
		if(!Browser.Engine.trident) return this;
		var src;
		var size = this.getSize();
		if(this.get('tag')=='img'){
			src = this.get('src');
			if(src.indexOf('.png') < 0) return this;
			this.set('src', '/site/x.gif');
		} else {
			var bg = this.getStyle('background-image');
			if(bg && bg!='none')
				src = bg.match(/\(([^)]+)\)/)[1];
			if(src.indexOf('.png') < 0) return this;
		}
		if (src) {
			if(this.getStyle('display')=='inline' && !['input', 'textarea', 'button'].contains(this.get('tag'))) {
				this.setStyles({
					'display': 'block',
					'width': size.x,
					'height': size.y
				});
			}
			this.setStyles({
				'background': '',
				'filter': 'progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled="true", src="'+src+'", sizingMethod="crop")'
			});
		}
		return this;
	}
});
if(Browser.Engine.trident) window.addEvent('domready', function() {
	$$('img[src$=png]').fix();
});



//	---------------------------------------------------------------------------
//	CLASS:		Menu()
//	AUTHOR:		Ryan J. Salva
//	REVISED:	December 2007
//
//	Creates a drop-down menu for navigation. Also Corrects Windows IE support 
//	for LI:hover and adds an <IFRAME> behind drop-down menus to keep the 
//	menu above <SELECT> elements.
//
//	REQUIREMENTS:
//	Styles found in default.css
//	
//	TESTED IN:
//	Windows: IE 6, Firefox 1, Opera 8
//	Mac: IE 5.2, Firefox 1, Safari 1

var Menu = new Class({
	Implements: Options,
	options: {
		iframe: false,
		onComplete: Class.empty,
		onStart: Class.empty
	},
	initialize: function(el,options){
		this.el = $(el);
		if (!$defined(this.el)) return false;
		this.setOptions(options);
		
		this.el.getElements('li').each(function(li,index) {
			li.addEvent('mouseenter',function() {
				this.addClass('hover');
			});
			li.addEvent('mouseleave',function() {
				this.removeClass('hover');
			});
		});
		if (this.options.iframe) this.addIframe();
	},
	addIframe: function() {
		this.el.getElements('ul').each(function(ul,index) {
			var coord = ul.getCoordinates();
			var iframe = new Element('iframe',{'src':'about:blank','styles':{
				overflow:'hidden',
				border:0,
				width: coord.width,
				height: coord.height,
				left: 0,
				top: 0,
				zIndex: -10,
				opacity: 0
			}});
			iframe.injectTop(ul);
			ul.setStyle('z-index',99);
		});
	}
});



//	---------------------------------------------------------------------------
//	CLASS:		FormTip(selector,options)
//	AUTHOR:		Ryan J. Salva
//	REVISED:	December 2008

var FormTip = new Class({
	Implements: Options,
	options: {
		className: 'FormTip',
		onComplete: Class.empty,
		onStart: Class.empty
	},
	initialize: function(selector,options){
		this.setOptions(options);
		this.els = $$(selector);
		this.els.each(function(el,index){
			el.addEvent('focus',this.show.bindWithEvent(this));
			el.addEvent('blur',this.hide.bindWithEvent(this));
		}.bind(this));
	},
	show: function(e) {
		var e = new Event(e);
		var el = e.target;
		if ($type(el) != 'element') return false;
		var title = el.getAttribute('title');
		if (!$defined(title)) return false;
		var pos = el.getPosition(el.getOffsetParent());
		var width = el.getWidth();
		this.tip = new Element('div',{'class':this.options.className,'styles':{
			opacity: 0,
			position: 'absolute',
			left: pos.x + width,
			top: pos.y
		}}).setText(title);
		this.tip.inject(el.getParent(),'inside');
		this.tip.tween('opacity',1); 
	},
	hide: function() {
		this.tip.remove();
	}
});


// ------------------------------------------------------------------
//	AUTHOR: Ryan J. Salva
//	MODIFIED: December 22, 2007
// 
//	DESCRIPTION:
//	creates a single, rotating image on a page
//
//	IMPLEMENTATION:
//	<div id="Container">
//		<img src="1.jpg" /><img src="2.jpg" /><img src="3.gif" />
//	</div>
//	<script type="text/javascript">
//		window.addEvent('domready',function() { 
//			var f = new Fader('Container');
//			f.start();
//		});
//	</script>


var Fader = new Class({
	Implements: Options,
	options: {
		pause: 5000,
		duration: 1000,
		loop: true,
		onComplete: Class.empty,
		onStart: Class.empty
	},
	initialize: function(container,options) {
		this.setOptions(options);
		this.container = $(container);
		this.imgs = this.container.getElements('img');
		this.imgs.setStyles({
			'position':'absolute',
			'top':0,
			'left':0,
			'opacity':0
		});
		this.imgs[0].setStyle('opacity',1);
		this.el = new Element('div',{'styles': {
			'position':'relative'
	    }});
	    this.el.injectInside(this.container);
	    this.el.adopt(this.imgs);
		this.next = 0;
	},
	start: function() {
		this.show();
		this.periodical = this.show.bind(this).periodical(this.options.pause);
	},
	stop: function() {
		$clear(this.periodical);
	},
	show: function() {
		if (!this.options.loop && this.next==this.imgs.length-1) $clear(this.periodical);
		this.next = (this.next==this.imgs.length-1)?0:this.next+1;
		
		var appear = this.imgs[this.next].effect('opacity', {'duration': this.options.duration});
		appear.start(0,1);

		var prev = (this.next==0)?this.imgs.length-1:this.next-1;
		var disappear = this.imgs[prev].effect('opacity',{'duration':this.options.duration});
		disappear.start(1,0)
	}
});



//	---------------------------------------------------------------------------
//	CLASS:		Counter(el);
//	AUTHOR:		Ryan J. Salva, http://www.capitolmedia.com
//	REVISED:	January 2008
//
//	Places a counter on the page displaying the number of remaining characters 
//	in a form element
//	
//	TESTED ON:
//	Windows Firefox 1, IE 6, Opera 8, Netscape 6
//	Mac Safari 1, IE 5.2
//
//	REQUIRED ASSETS:
//	HTML with <TEXTAREA ID="TextArea1" COUNTER="target" MAXLENGTH="650"></TEXTAREA> and <SPAN ID="target"></SPAN>
//
//	IMPLEMENTATION:
//	var c = new Counter('myTextarea',{'counter':'myCounter','maxlength':1000});

var Counter = new Class({
	Implements: Options,
	options: {
		counter: null,
		maxlength: 500,
		onComplete: Class.empty,
		onStart: Class.empty
	},
	initialize: function(el,options){
		this.setOptions(options);
		this.el = $(el);
		this.max = ($defined(this.el.getAttribute('maxlength')))?this.el.getAttribute:this.options.maxlength;
		this.len = this.el.value.length;
		
		if ($defined(this.options.counter)) {
			this.counter = $(this.options.counter);
		} else {
			this.counter = new Element('span');
			this.counter.inject(this.el,'after');
		}
		this.counter.setText(this.max - this.len);
		this.el.addEvent('keyup',this.update.bind(this));
	},
	update: function(e) {
		this.len = this.el.value.length;
		this.counter.setText(this.max - this.len);
		if (this.len >= this.max) {
			this.el.value = this.el.value.substring(0,this.max - 1);
			if (this.el.createTextRange) {
				var range = this.el.createTextRange();
				range.collapse(false);
				range.select();
			}
			this.el.scrollTop = this.el.scrollHeight;
		}
	}
});


//	---------------------------------------------------------------------------
//	CLASS:		Modal();
//	OPTIONS:	speed: the transition speed (default:500)
//				maskColor: the background color of the mask (default: black)
//				width: default width of the dialog box (default:400px)
//				height: default height of the dialog box (default: auto)
//				classPrefix: used to define unique classes for each dialog box (default: "Modal")
//				onHide: event
//				onShow: event
//				onStart: event
//	AUTHOR:		Ryan J. Salva, http://www.capitolmedia.com
//	REVISED:	January 2008

Modal = new Class({
	Implements: [Events, Options],
	options: {
		speed: 200,
		maskColor: '#000000',
		width: 400,
		height: 'auto',
		classPrefix: 'Modal',
		onHide: Class.empty,
		onShow: Class.empty,
		onStart: Class.empty
	},
	initialize: function(options) {
		this.setOptions(options);
		this.isShowing = false;
		var classPrefix = this.options.classPrefix;
		this.mask = new Element('div', {
			'class':classPrefix+'Mask',
			'styles':{
				'position':'absolute',
				'top': 0,
				'left': 0,
				'opacity': 0,
				'height': (window.getHeight() > window.getScrollHeight()) ? window.getHeight() : window.getScrollHeight(),
				'width': '100%',
				'background':this.options.maskColor,
				'z-index': 9999
			}
		});
		this.pop = new Element('div',{
			'class':classPrefix+'Pop',
			'styles':{
				'position': 'absolute',
				'visibility': 'hidden',
				'width': '100%',
				'margin': 0,
				'z-index': 10000
			}
		});
		this.container = new Element('div',{
			'class':classPrefix+'Container',
			'styles':{
				'margin':'0 auto'
			}
		});
		this.mask.set('tween',{duration:this.options.speed});
		this.pop.set('tween',{duration: this.options.speed});
		
		this.fireEvent('onStart');
	},
	show: function(el, title) {
		var classPrefix = this.options.classPrefix;
		switch($type(el)) {
			case 'element':
				this.el = new Element('div',{'styles':{'height':this.options.height}}).adopt(el);
				break;
			case 'string':
				this.el = new Element('div',{'styles':{'height':this.options.height}}).set('html', el);
				break;
			default:
				return false;
				break;
		}
		var message = new Element('div').addClass(classPrefix+'Message').adopt(this.el);
		if(title) var title = new Element('div').setText(title).addClass(classPrefix+'Title');
		
		if(this.isShowing) {
			this.container.adopt(title, message);
		} else {
			this.close = new Element('div');
			this.close.adopt(new Element('a', {
				'href':'#', 
				'text':'Close',
				'class':classPrefix+'Close',
				'events': {
					'click': function(event) {
						event.stop();
						this.hide();
					}.bind(this)
				}
			}));
			window.addEvent('keydown', function(event) {
				if(event.key == 'esc') this.hide();
			}.bind(this));
			
			$$('object', 'select').setStyle('visibility', 'hidden');
			
			$$('body').adopt(this.mask, this.pop);
			this.container.adopt(this.close, title, message);
			this.container.inject(this.pop, 'inside').setStyle('width', this.options.width);
		}
		
		this.pop.setStyles({
			'top': window.getScroll().y - this.pop.getSize().y,
			'visibility':'visible'
		});

		this.mask.tween('opacity',0.8);
		var slideTo = ((window.getSize().y - this.container.getSize().y) / 2 + window.getScroll().y);
		this.pop.tween('top',slideTo);
		this.periodical = this.update.periodical(100, this);
		this.isShowing = true;
		this.fireEvent('onShow');
	},
	update: function() {
		var slideTo = ((window.getSize().y - this.container.getSize().y) / 2 + window.getScroll().y);
		this.pop.tween('top',slideTo);
		var h = (window.getSize().y > window.getScrollSize().y) ? window.getSize().y : window.getScrollSize().y;
		this.mask.setStyle('height', h);
	},
	hide: function() {
		$$('object', 'select').setStyle('visibility', 'visible');
		$clear(this.periodical);
		var slideTo = window.getScroll().y - this.pop.getSize().y;
		this.close.destroy();
		this.pop.dispose();
		this.mask.tween('opacity',0);
		this.isShowing = false;
		this.fireEvent('onHide');
	}
});


//	---------------------------------------------------------------------------
//	CLASS:		Ticker()
//	AUTHOR:		Ryan J. Salva
//	REVISED:	January 2008
//

var Ticker = new Class({
	Implements: Options,
	options: {
		speed: 1000,
		delay: 5000,
		direction: 'vertical',
		onComplete: Class.empty,
		onStart: Class.empty
	},
	initialize: function(el,options){
		this.setOptions(options);
		this.el = $(el);
		this.items = this.el.getElements('li');
		var w = 0;
		var h = 0;
		if(this.options.direction.toLowerCase()=='horizontal') {
			h = this.el.getCoordinates().height;
			this.items.each(function(li,index) {
				w += li.getCoordinates().width;
			});
		} else {
			w = this.el.getCoordinates().width;
			this.items.each(function(li,index) {
				h += li.getCoordinates().width;
			});
		}
		this.el.setStyles({
			position: 'absolute',
			top: 0,
			left: 0,
			width: w,
			height: h
		});
		this.fx = new Fx.Morph(this.el,{duration:this.options.speed,onComplete:function() {
			var i = (this.current==0)?this.items.length:this.current;
			this.items[i-1].injectInside(this.el);
			this.el.setStyles({
				left:0,
				top:0
			});
		}.bind(this)});
		this.current = 0;
		this.next();
	},
	next: function() {
		this.current++;
		if (this.current >= this.items.length) this.current = 0;
		var pos = this.items[this.current];
		this.fx.start({
			top: -pos.offsetTop,
			left: -pos.offsetLeft
		});
		this.next.bind(this).delay(this.options.delay+this.options.speed);
	}
});


var Tabs = new Class({
	Implements: Options,
	options: {
		classPrefix: 'Tab'
	},
	initialize: function(panels, options) {
		this.setOptions(options);
		if (panels.length <= 0) return false;
		
		this.panels = panels;
		this.panels.setStyle('display','none');
		
		this.tabs = [];
		this.panels.each(function(el,index) {
			var tab = new Element('span',{
				'class':this.options.classPrefix+'Tab',
				'text':el.get('title'),
				'events':{
					'click':function(e){
						e.stop();
						this.activate(el,e.target);
					}.bindWithEvent(this)
				}
			});
			this.tabs.include(tab);
		}.bind(this));
		
		this.container = new Element('div',{
			'class':this.options.classPrefix+'Container',
			'styles':{
				'overflow':'hidden',
				'height':0
			}
		});
		this.container.inject(this.panels[0],'before');
		this.panels.each(function(el,index) {
			this.container.adopt(el);
		}.bind(this));
		
		this.tabs.each(function(el,index){
			el.inject(this.container,'before');
		}.bind(this));
		
		this.activate(this.panels[0],this.tabs[0])

		
	},
	
	activate: function(panel,tab){
		this.panels.removeClass(this.options.classPrefix+'Active');
		panel.addClass(this.options.classPrefix+'Active');
		
		this.panels.setStyle('display','none');
		panel.setStyle('display','block');
		
		this.tabs.each(function(el,index){
			el.removeClass(this.options.classPrefix+'Active');
		}.bind(this));
		tab.addClass(this.options.classPrefix+'Active');
		
		this.container.tween('height',panel.getSize().y);
	}
});