/*	---------------------------------------------------------------------------
	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;
		this.start();
	},
	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) this.stop();
		this.next = (this.next==this.imgs.length-1)?0:this.next+1;
		var prev = (this.next==0)?this.imgs.length-1:this.next-1;
		
		this.imgs[this.next].fade('in');
		this.imgs[prev].fade('out');
	}
});



//	---------------------------------------------------------------------------
//	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:		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);
	}
});

/*	---------------------------------------------------------------------------
	CLASS:		Modal([options]);
	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")
	EVENTS:		onHide				fires when closing the Modal box
				onShow				fires when showing the Modal box
				onStart				fires when first initializing the Modal box
				onStep				fires when stepping next or previous in a series
				onUpdate			fires when the window resizes
	AUTHOR:		Ryan J. Salva, http:www.capitolmedia.com
	REVISED:	August 22, 2009
*/

Modal = new Class({
	Implements: [Events, Options],
	options: {
		'speed': 500,
		'maskColor': '#04143F',
		'maskOpacity': .3,
		'width': 400,
		'height': 200,
		'classPrefix': 'modal',
		'onHide': $empty,
		'onShow': $empty,
		'onStart': $empty,
		'onStep': $empty,
		'onUpdate': $empty
	},
	initialize: function(options) {
		this.setOptions(options);
		this.el = null;
		this.series = null;
		
		this.iframe = new Element('iframe',{
			'src': 'javascript:void(0);',
			'frameborder': 0,
			'scrolling': 'no',
			'styles':{
				'position': 'absolute',
				'top': 0,
				'left': 0,
				'width': '100%',
				'height': '100%',
				'opacity': 0
			}
		});

		this.mask = new Element('div', {
			'class':this.options.classPrefix+'Mask',
			'styles':{
				'position':'absolute',
				'top': 0,
				'left': 0,
				'opacity': 0,
				'width': '100%',
				'background':this.options.maskColor,
				'z-index': 9999
			},
			'events':{
				'click':function(e) {
					this.hide();
				}.bind(this)
			},
			'tween':{
				'duration':this.options.speed
			}
		});

		this.container = new Element('div',{
			'class':this.options.classPrefix+'Container',
			'styles':{
				'position': 'absolute',
				'visibility': 'hidden',
				'width': '100%',
				'margin': 0,
				'z-index': 10000
			},
			'events':{
				'click':function(e) {
					this.hide();
				}.bind(this)
			},
			'tween':{
				'duration': this.options.speed
			}
		});
		
		this.box = new Element('div',{
			'class':this.options.classPrefix+'Box',
			'styles':{
				'margin':'0 auto',
				'width': this.options.width,
				'height':this.options.height
			},
			'events': {
				'click': function(e) {
					e.stopPropagation();
				}
			},
			'morph': {
				'duration':this.options.speed
			}
		});

		this.message = new Element('div',{
			'class':this.options.classPrefix+'Message',
			'morph':{
				'duration':this.options.speed
			}
		});

		this.close = new Element('a', {
			'href':'#', 
			'text':'Close',
			'class':this.options.classPrefix+'Close',
			'events': {
				'click': function(e) {
					e.stop();
					this.hide();
				}.bind(this)
			}
		});
		
		this.next = new Element('a', {
			'href':'#',
			'text':'Next',
			'class':this.options.classPrefix+'Next',
			'events': {
				'click': function(e) {
					e.stop();
					this.step(1);
				}.bind(this)
			}
		});
		
		this.previous = new Element('a', {
			'href':'#',
			'text':'Previous',
			'class':this.options.classPrefix+'Previous',
			'events': {
				'click': function(e) {
					e.stop();
					this.step(-1);
				}.bind(this)
			}
		});

		// build our DOM
		this.mask.adopt(this.iframe);
		this.container.adopt(this.box)
		this.box.adopt(this.message, this.close);
		
		// close the modal on esc, backspace, delete, space or enter
		window.top.addEvent('keydown', function(e) {
			if(this.el && (e.key == 'esc' || e.key == 'backspace' || e.key == 'delete' || e.key == 'space' || e.key == 'enter')) {
				e.stop();
				this.hide();
			}
		}.bind(this));

		// step previous on left or up arrow
		window.top.addEvent('keydown', function(e) {
			if(this.el && (e.key == 'left' || e.key == 'up')) {
				e.stop();
				this.step(-1);
			}
		}.bind(this));

		// step next on right or down arrow
		window.top.addEvent('keydown', function(e) {
			if(this.el && (e.key == 'right' || e.key == 'down')) {
				e.stop();
				this.step(1);
			}
		}.bind(this));
		
		window.top.addEvent('resize',function(e) {
			if (this.el) this.update();
		}.bind(this));
		
		this.fireEvent('onStart');
	},
	
	show: function(obj,series) {
		
		// paranoia: make sure there's nothing in this.box when we first open it
		if (this.el) this.el.dispose();
		
		// setup our styles before going visible
		this.mask.setStyles({
			'opacity':0,
			'height': $(window).getScrollSize().y
		});

		this.container.setStyles({
			'opacity':0,
			'top': $(window).getScroll().y + 100,
			'visibility':'visible'
		});
		
		this.box.setStyles({
			'width':this.options.width,
			'height':this.options.height
		});
		
		this.message.setStyles({
			'opacity':0
		});
		
		// add our mask and container to the DOM
		document.body.appendChild(this.mask);
		document.body.appendChild(this.container);
		
		// if we're showing a series of items, we have a few extra steps
		if (series && $type(series) == 'array') {
			
			// make sure we have one long list
			this.series = series.flatten();

			// display next/previous buttons
			this.box.adopt(this.previous, this.next);

			// find the current element in the series
			this.index = this.series.indexOf(obj);

			// if the element can't be found, put it at the end
			if (this.index < 0) this.series.include(obj);
		} else {
			this.series = null;
		}
		
		// animate into view
		this.state = 'mask';
		this.animate(obj);
		
		// fire the show event
		this.fireEvent('onShow');
	},
	
	animate: function(obj) {
		this.timer = $clear(this.timer);
		
		// mask > load > resize > show > hide > load > resize > show > (repeat)
		switch (this.state) {
			case 'mask':
				// animate the dialog box into view
				this.mask.tween('opacity',this.options.maskOpacity);
				this.container.tween('opacity',1);
				this.state = 'load';
				this.timer = this.animate.delay(this.options.speed,this,obj);
				break;
			case 'load':
				switch($type(obj)) {
					case 'array':
						this.series = obj;
						this.animate(this.series[0]); // pluck the first element in the array and attempt to load it
						return null;
					case 'element':
						this.state = 'resize';
						this.animate(obj);
						return null;
					case 'string':
						obj = new Element('div',{'html':obj,'styles':{'width':this.options.width,'height':this.options.height}});
						this.state = 'resize';
						this.animate(obj);
						return null;
					case 'object':
						try {
							obj.send();
						} catch (error) {
							this.animate('Invalid request.');
						}
						return null;
					default:
						return false;
						break;
				}
				break;

			case 'resize':
				if (this.el) this.el.dispose();

				// temporarily add obj to the DOM so we can determine size
				obj.setStyles({
					'opacity':0,
					'visibility':'hidden',
					'position':'absolute',
					'top':0,
					'left':0
				});
				document.body.appendChild(obj);
				var size = obj.getSize();
				
				// resize the box to the dimensions of the new element
				this.box.morph({'width':size.x,'height':size.y});
				this.state = 'show';
				this.timer = this.animate.delay(this.options.speed,this,obj);
				break;

			case 'show':
				this.el = obj;
				this.el.setStyles({
					'opacity':1,
					'position':'static',
					'visibility':'visible'
				});
				this.message.adopt(this.el);
				this.message.morph({'opacity':1});
				this.state = null;
				break;

			case 'hide':
				this.message.morph({'opacity':0});
				this.state = 'load';
				this.timer = this.animate.delay(this.options.speed,this,obj);
				break;

			default:
				break;
		}
	},
	
	step: function(steps) {

		// only continue if we're in a series of elements
		if (!this.series || this.series.length <= 0) return false;
		
		this.index = this.index + steps;
		if (this.index < 0) this.index = this.series.length -1;
		if (this.index >= this.series.length) this.index = 0

		// which element do we display next?
		var obj = this.series[this.index];
		
		// if the element doesn't exist, abort mission
		if (!obj) return false;
		
		this.state = 'hide';
		this.animate(obj);
		this.fireEvent('onStep');
	},

	update: function() {
		this.mask.setStyle('height',$(window).getScrollSize().y);
		this.fireEvent('onUpdate');
	},

	hide: function() {
		
		 // take elements out of the DOM so we can reuse them next time
		this.container.dispose();
		this.next.dispose();
		this.previous.dispose();
		this.el.dispose();

		// return everything to normal
		this.state = null;
		this.series = null;
		this.timer = $clear(this.timer);
		this.mask.fade('out');
		this.fireEvent('onHide');
	}
});