/*
 * jquery.tools 1.0.2 - The missing UI library
 * 
 * [tools.tabs-1.0.1, tools.tooltip-1.0.2, tools.scrollable-1.0.5, tools.overlay-1.0.4, tools.expose-1.0.3]
 * 
 * Copyright (c) 2009 Tero Piirainen
 * http://flowplayer.org/tools/
 *
 * Dual licensed under MIT and GPL 2+ licenses
 * http://www.opensource.org/licenses
 * 
 * -----
 * 
 * Build: Fri Jun 12 12:37:07 GMT+00:00 2009
 */
(function(c){c.tools=c.tools||{version:{}};c.tools.version.tabs="1.0.1";c.tools.addTabEffect=function(d,e){b[d]=e};var b={"default":function(d){this.getPanes().hide().eq(d).show()},fade:function(d){this.getPanes().hide().eq(d).fadeIn(this.getConf().fadeInSpeed)},slide:function(d){this.getCurrentPane().slideUp("fast");this.getPanes().eq(d).slideDown()},horizontal:function(d){if(!c._hW){c._hW=this.getPanes().eq(0).width()}this.getCurrentPane().animate({width:0},function(){c(this).hide()});this.getPanes().eq(d).animate({width:c._hW},function(){c(this).show()})}};function a(e,f,g){var d=this;var h;function i(j,k){c(d).bind(j,function(m,l){if(k&&k.call(this,l.index)===false&&l){l.proceed=false}});return d}c.each(g,function(j,k){if(c.isFunction(k)){i(j,k)}});c.extend(this,{click:function(k){if(k===h){return d}var m=d.getCurrentPane();var l=e.eq(k);if(typeof k=="string"){l=e.filter("[href="+k+"]");k=e.index(l)}if(!l.length){if(h>=0){return d}k=g.initialIndex;l=e.eq(k)}var j={index:k,proceed:true};c(d).triggerHandler("onBeforeClick",j);if(!j.proceed){return d}l.addClass(g.current);b[g.effect].call(d,k);c(d).triggerHandler("onClick",j);e.removeClass(g.current);l.addClass(g.current);h=k;return d},getConf:function(){return g},getTabs:function(){return e},getPanes:function(){return f},getCurrentPane:function(){return f.eq(h)},getCurrentTab:function(){return e.eq(h)},getIndex:function(){return h},next:function(){return d.click(h+1)},prev:function(){return d.click(h-1)},onBeforeClick:function(j){return i("onBeforeClick",j)},onClick:function(j){return i("onClick",j)}});e.each(function(j){c(this).bind(g.event,function(k){d.click(j);if(!g.history){return k.preventDefault()}})});if(g.history){e.history(function(j,k){d.click(k||0)})}if(location.hash){d.click(location.hash)}else{d.click(g.initialIndex)}f.find("a[href^=#]").click(function(){d.click(c(this).attr("href"))})}c.fn.tabs=function(g,d){var e=this.eq(typeof conf=="number"?conf:0).data("tabs");if(e){return e}var f={tabs:"a",current:"current",onBeforeClick:null,onClick:null,effect:"default",history:false,initialIndex:0,event:"click",api:false};if(c.isFunction(d)){d={onBeforeClick:d}}c.extend(f,d);this.each(function(){var h=c(this).find(f.tabs);if(!h.length){h=c(this).children()}var i=g.jquery?g:c(g);e=new a(h,i,f);c(this).data("tabs",e)});return f.api?e:this}})(jQuery);(function(b){var c,a;b.prototype.history=function(e){var d=this;if(b.browser.msie){if(!a){a=b("<iframe />").hide().get(0);b("body").append(a);setInterval(function(){var f=a.contentWindow.document;var g=f.location.hash;if(c!==g){b.event.trigger("hash",g);c=g}},100)}d.bind("click.hash",function(g){var f=a.contentWindow.document;f.open().close();f.location.hash=b(this).attr("href")});d.eq(0).triggerHandler("click.hash")}else{setInterval(function(){var f=location.hash;if(d.filter("[href*="+f+"]").length&&f!==c){c=f;b.event.trigger("hash",f)}},100)}b(window).bind("hash",e);return this}})(jQuery);
(function(c){c.tools=c.tools||{version:{}};c.tools.version.tooltip="1.0.2";var b={toggle:[function(){this.getTip().show()},function(){this.getTip().hide()}],fade:[function(){this.getTip().fadeIn(this.getConf().fadeInSpeed)},function(){this.getTip().fadeOut(this.getConf().fadeOutSpeed)}]};c.tools.addTipEffect=function(d,f,e){b[d]=[f,e]};c.tools.addTipEffect("slideup",function(){var d=this.getConf();var e=d.slideOffset||10;this.getTip().css({opacity:0}).animate({top:"-="+e,opacity:d.opacity},d.slideInSpeed||200).show()},function(){var d=this.getConf();var e=d.slideOffset||10;this.getTip().animate({top:"-="+e,opacity:0},d.slideOutSpeed||200,function(){c(this).hide().animate({top:"+="+(e*2)},0)})});function a(f,e){var d=this;var h=f.next();if(e.tip){if(e.tip.indexOf("#")!=-1){h=c(e.tip)}else{h=f.nextAll(e.tip).eq(0);if(!h.length){h=f.parent().nextAll(e.tip).eq(0)}}}function j(k,l){c(d).bind(k,function(n,m){if(l&&l.call(this)===false&&m){m.proceed=false}});return d}c.each(e,function(k,l){if(c.isFunction(l)){j(k,l)}});var g=f.is("input, textarea");f.bind(g?"focus":"mouseover",function(k){k.target=this;d.show(k);h.hover(function(){d.show()},function(){d.hide()})});f.bind(g?"blur":"mouseout",function(){d.hide()});h.css("opacity",e.opacity);var i=0;c.extend(d,{show:function(q){if(q){f=c(q.target)}clearTimeout(i);if(h.is(":animated")||h.is(":visible")){return d}var o={proceed:true};c(d).trigger("onBeforeShow",o);if(!o.proceed){return d}var n=f.position().top-h.outerHeight();var k=h.outerHeight()+f.outerHeight();var r=e.position[0];if(r=="center"){n+=k/2}if(r=="bottom"){n+=k}var l=f.outerWidth()+h.outerWidth();var m=f.position().left+f.outerWidth();r=e.position[1];if(r=="center"){m-=l/2}if(r=="left"){m-=l}n+=e.offset[0];m+=e.offset[1];h.css({position:"absolute",top:n,left:m});b[e.effect][0].call(d);c(d).trigger("onShow");return d},hide:function(){clearTimeout(i);i=setTimeout(function(){if(!h.is(":visible")){return d}var k={proceed:true};c(d).trigger("onBeforeHide",k);if(!k.proceed){return d}b[e.effect][1].call(d);c(d).trigger("onHide")},e.delay||1);return d},isShown:function(){return h.is(":visible, :animated")},getConf:function(){return e},getTip:function(){return h},getTrigger:function(){return f},onBeforeShow:function(k){return j("onBeforeShow",k)},onShow:function(k){return j("onShow",k)},onBeforeHide:function(k){return j("onBeforeHide",k)},onHide:function(k){return j("onHide",k)}})}c.prototype.tooltip=function(d){var e=this.eq(typeof d=="number"?d:0).data("tooltip");if(e){return e}var f={tip:null,effect:"slideup",delay:30,opacity:1,position:["top","center"],offset:[0,0],api:false};if(c.isFunction(d)){d={onBeforeShow:d}}c.extend(f,d);this.each(function(){e=new a(c(this),f);c(this).data("tooltip",e)});return f.api?e:this}})(jQuery);
(function(b){b.tools=b.tools||{version:{}};b.tools.version.scrollable="1.0.5";var c=null;function a(p,m){var s=this;if(!c){c=s}function n(t,u){b(s).bind(t,function(w,v){if(u&&u.call(this,v.index)===false&&v){v.proceed=false}});return s}b.each(m,function(t,u){if(b.isFunction(u)){n(t,u)}});var d=!m.vertical;var f=b(m.items,p);var j=0;function l(u,t){return u.indexOf("#")!=-1?b(u).eq(0):t.siblings(u).eq(0)}var q=l(m.navi,p);var g=l(m.prev,p);var i=l(m.next,p);var h=l(m.prevPage,p);var o=l(m.nextPage,p);b.extend(s,{getIndex:function(){return j},getConf:function(){return m},getSize:function(){return s.getItems().size()},getPageAmount:function(){return Math.ceil(this.getSize()/m.size)},getPageIndex:function(){return Math.ceil(j/m.size)},getRoot:function(){return p},getItemWrap:function(){return f},getItems:function(){return f.children()},getVisibleItems:function(){return s.getItems().slice(j,j+m.size)},seekTo:function(w,u,A){if(u===undefined){u=m.speed}if(b.isFunction(u)){A=u;u=m.speed}if(w<0){w=0}if(w>s.getSize()-m.size){return s}var B=s.getItems().eq(w);if(!B.length){return s}var t={index:w,proceed:true};b(s).trigger("onBeforeSeek",t);if(!t.proceed){return s}if(d){var v=-B.position().left;f.animate({left:v},u,m.easing,A?function(){A.call(s)}:null)}else{var z=-B.position().top;f.animate({top:z},u,m.easing,A?function(){A.call(s)}:null)}if(q.length){var x=m.activeClass;var y=Math.ceil(w/m.size);y=Math.min(y,q.children().length-1);q.children().removeClass(x).eq(y).addClass(x)}if(w===0){g.add(h).addClass(m.disabledClass)}else{g.add(h).removeClass(m.disabledClass)}if(w>=s.getSize()-m.size){i.add(o).addClass(m.disabledClass)}else{i.add(o).removeClass(m.disabledClass)}c=s;j=w;b(s).trigger("onSeek",{index:w});return s},move:function(v,u,t){var w=j+v;if(m.loop&&w>(s.getSize()-m.size)){w=0}return this.seekTo(w,u,t)},next:function(u,t){return this.move(1,u,t)},prev:function(u,t){return this.move(-1,u,t)},movePage:function(v,u,t){return this.move(m.size*v,u,t)},setPage:function(x,y,v){var u=m.size;var t=u*x;var w=t+u>=this.getSize();if(w){t=this.getSize()-m.size}return this.seekTo(t,y,v)},prevPage:function(u,t){return this.setPage(this.getPageIndex()-1,u,t)},nextPage:function(u,t){return this.setPage(this.getPageIndex()+1,u,t)},begin:function(u,t){return this.seekTo(0,u,t)},end:function(u,t){return this.seekTo(this.getSize()-m.size,u,t)},reload:function(){return r()},click:function(u,x,v){var w=s.getItems().eq(u);var t=m.activeClass;if(u<0||u>=this.getSize()){return s}if(m.size==2){if(u==s.getIndex()){u--}s.getItems().removeClass(t);w.addClass(t);return this.seekTo(u,x,v)}if(!w.hasClass(t)){s.getItems().removeClass(t);w.addClass(t);var z=Math.floor(m.size/2);var y=u-z;if(y>s.getSize()-m.size){y=s.getSize()-m.size}if(y!==u){return this.seekTo(y,x,v)}}return s},onBeforeSeek:function(t){return n("onBeforeSeek",t)},onSeek:function(t){return n("onSeek",t)}});if(b.isFunction(b.fn.mousewheel)){p.bind("mousewheel.scrollable",function(u,v){var t=b.browser.opera?1:-1;s.move(v>0?t:-t,50);return false})}g.addClass(m.disabledClass).click(function(){s.prev()});i.click(function(){s.next()});o.click(function(){s.nextPage()});h.addClass(m.disabledClass).click(function(){s.prevPage()});if(m.keyboard){b(document).unbind("keydown.scrollable").bind("keydown.scrollable",function(t){var u=c;if(!u||t.altKey||t.ctrlKey){return}if(d&&(t.keyCode==37||t.keyCode==39)){u.move(t.keyCode==37?-1:1);return t.preventDefault()}if(!d&&(t.keyCode==38||t.keyCode==40)){u.move(t.keyCode==38?-1:1);return t.preventDefault()}return true})}function r(){if(q.is(":empty")||q.data("me")==s){q.empty();q.data("me",s);for(var u=0;u<s.getPageAmount();u++){var v=b("<"+m.naviItem+"/>").attr("href",u).click(function(x){var w=b(this);w.parent().children().removeClass(m.activeClass);w.addClass(m.activeClass);s.setPage(w.attr("href"));return x.preventDefault()});if(u===0){v.addClass(m.activeClass)}q.append(v)}}else{var t=q.children();t.each(function(w){var x=b(this);x.attr("href",w);if(w===0){x.addClass(m.activeClass)}x.click(function(){q.find("."+m.activeClass).removeClass(m.activeClass);x.addClass(m.activeClass);s.setPage(x.attr("href"))})})}if(m.clickable){s.getItems().each(function(x,w){var y=b(this);if(!y.data("set")){y.bind("click.scrollable",function(){s.click(x)});y.data("set",true)}})}if(m.hoverClass){s.getItems().hover(function(){b(this).addClass(m.hoverClass)},function(){b(this).removeClass(m.hoverClass)})}return s}r();var e=null;function k(){if(e){return}e=setInterval(function(){if(m.interval===0){clearInterval(e);e=0;return}s.next()},m.interval)}if(m.interval>0){p.hover(function(){clearInterval(e);e=0},function(){k()});k()}}b.fn.scrollable=function(d){var e=this.eq(typeof d=="number"?d:0).data("scrollable");if(e){return e}var f={size:5,vertical:false,clickable:true,loop:false,interval:0,speed:400,keyboard:true,activeClass:"active",disabledClass:"disabled",hoverClass:null,easing:"swing",items:".items",prev:".prev",next:".next",prevPage:".prevPage",nextPage:".nextPage",navi:".navi",naviItem:"a",api:false,onBeforeSeek:null,onSeek:null};b.extend(f,d);this.each(function(){e=new a(b(this),f);b(this).data("scrollable",e)});return f.api?e:this}})(jQuery);
(function(b){b.tools=b.tools||{version:{}};b.tools.version.overlay="1.0.4";var c=[];function a(h,d){var r=this,q=b(window),f,n,s,i,k,m,l;var e=d.expose&&b.tools.version.expose;function p(o,t){b(r).bind(o,function(v,u){if(t&&t.call(this)===false&&u){u.proceed=false}});return r}b.each(d,function(o,t){if(b.isFunction(t)){p(o,t)}});var j=d.target||h.attr("rel");var g=j?b(j):null;if(!g){g=h}else{k=h}q.load(function(){m=g.attr("overlay");if(!m){m=g.css("backgroundImage");if(!m){throw"background-image CSS property not set for overlay element: "+j}m=m.substring(m.indexOf("(")+1,m.indexOf(")")).replace(/\"/g,"");g.css("backgroundImage","none");g.attr("overlay",m)}s=g.outerWidth({margin:true});i=g.outerHeight({margin:true});n=b('<img src="'+m+'"/>');n.css({border:0,position:"absolute",display:"none"}).width(s).attr("overlay",true);b("body").append(n);if(k){k.bind("click.overlay",function(o){r.load(o.pageY-q.scrollTop(),o.pageX-q.scrollLeft());return o.preventDefault()})}d.close=d.close||".close";if(!g.find(d.close).length){g.prepend('<div class="close"></div>')}f=g.find(d.close);f.bind("click.overlay",function(){r.close()});if(d.preload){setTimeout(function(){var o=new Image();o.src=m},2000)}});b.extend(r,{load:function(w,v){if(!n){q.load(function(){r.load(w,v)});return r}if(r.isOpened()){return r}if(d.oneInstance){b.each(c,function(){this.close()})}var u={proceed:true};b(r).trigger("onBeforeLoad",u);if(!u.proceed){return r}if(e){n.expose(d.expose);l=n.expose().load()}w=w||d.start.top;v=v||d.start.left;var o=d.finish.top;var t=d.finish.left;if(o=="center"){o=Math.max((q.height()-i)/2,0)}if(t=="center"){t=Math.max((q.width()-s)/2,0)}if(!d.start.absolute){w+=q.scrollTop();v+=q.scrollLeft()}if(!d.finish.absolute){o+=q.scrollTop();t+=q.scrollLeft()}n.css({top:w,left:v,width:d.start.width,zIndex:d.zIndex}).show();n.animate({top:o,left:t,width:s},d.speed,function(){g.css({position:"absolute",top:o,left:t});var x=n.css("zIndex");f.add(g).css("zIndex",++x);g.fadeIn(d.fadeInSpeed,function(){b(r).trigger("onLoad")})});return r},close:function(){if(!r.isOpened()){return r}var u={proceed:true};b(r).trigger("onBeforeClose",u);if(!u.proceed){return r}if(l){l.close()}if(n.is(":visible")){g.hide();var t=d.start.top;var o=d.start.left;if(k){u=k.offset();t=u.top+k.height()/2;o=u.left+k.width()/2}n.animate({top:t,left:o,width:0},d.closeSpeed,function(){b(r).trigger("onClose",u)})}return r},getBackgroundImage:function(){return n},getContent:function(){return g},getTrigger:function(){return k},isOpened:function(){return g.is(":visible")},getConf:function(){return d},onBeforeLoad:function(o){return p("onBeforeLoad",o)},onLoad:function(o){return p("onLoad",o)},onBeforeClose:function(o){return p("onBeforeClose",o)},onClose:function(o){return p("onClose",o)}});b(document).keydown(function(o){if(o.keyCode==27){r.close()}});if(d.closeOnClick){b(document).bind("click.overlay",function(o){if(!g.is(":visible, :animated")){return}var t=b(o.target);if(t.attr("overlay")){return}if(t.parents("[overlay]").length){return}r.close()})}}b.fn.overlay=function(e){var f=this.eq(typeof e=="number"?e:0).data("overlay");if(f){return f}var d=b(window);var g={start:{top:Math.round(d.height()/2),left:Math.round(d.width()/2),width:0,absolute:false},finish:{top:80,left:"center",absolute:false},speed:"normal",fadeInSpeed:"fast",closeSpeed:"fast",close:null,oneInstance:true,closeOnClick:true,preload:true,zIndex:9999,api:false,expose:null,target:null};if(b.isFunction(e)){e={onBeforeLoad:e}}b.extend(true,g,e);this.each(function(){f=new a(b(this),g);c.push(f);b(this).data("overlay",f)});return g.api?f:this}})(jQuery);
(function(b){b.tools=b.tools||{version:{}};b.tools.version.expose="1.0.3";function a(){var e=b(window).width();if(b.browser.mozilla){return e}var d;if(window.innerHeight&&window.scrollMaxY){d=window.innerWidth+window.scrollMaxX}else{if(document.body.scrollHeight>document.body.offsetHeight){d=document.body.scrollWidth}else{d=document.body.offsetWidth}}return d<e?d+20:e}function c(g,h){var e=this,d=null,f=false,i=0;function j(k,l){b(e).bind(k,function(n,m){if(l&&l.call(this)===false&&m){m.proceed=false}});return e}b.each(h,function(k,l){if(b.isFunction(l)){j(k,l)}});b(window).bind("resize.expose",function(){if(d){d.css({width:a(),height:b(document).height()})}});b.extend(this,{getMask:function(){return d},getExposed:function(){return g},getConf:function(){return h},isLoaded:function(){return f},load:function(){if(f){return e}i=g.eq(0).css("zIndex");if(h.maskId){d=b("#"+h.maskId)}if(!d||!d.length){d=b("<div/>").css({position:"absolute",top:0,left:0,width:a(),height:b(document).height(),display:"none",opacity:0,zIndex:h.zIndex});if(h.maskId){d.attr("id",h.maskId)}b("body").append(d);var k=d.css("backgroundColor");if(!k||k=="transparent"||k=="rgba(0, 0, 0, 0)"){d.css("backgroundColor",h.color)}if(h.closeOnEsc){b(document).bind("keydown.unexpose",function(n){if(n.keyCode==27){e.close()}})}if(h.closeOnClick){d.bind("click.unexpose",function(){e.close()})}}var m={proceed:true};b(e).trigger("onBeforeLoad",m);if(!m.proceed){return e}b.each(g,function(){var n=b(this);if(!/relative|absolute|fixed/i.test(n.css("position"))){n.css("position","relative")}});g.css({zIndex:h.zIndex+1});var l=d.height();if(!this.isLoaded()){d.css({opacity:0,display:"block"}).fadeTo(h.loadSpeed,h.opacity,function(){if(d.height()!=l){d.css("height",l)}b(e).trigger("onLoad")})}f=true;return e},close:function(){if(!f){return e}var k={proceed:true};b(e).trigger("onBeforeClose",k);if(k.proceed===false){return e}d.fadeOut(h.closeSpeed,function(){b(e).trigger("onClose");g.css({zIndex:b.browser.msie?i:null})});f=false;return e},onBeforeLoad:function(k){return j("onBeforeLoad",k)},onLoad:function(k){return j("onLoad",k)},onBeforeClose:function(k){return j("onBeforeClose",k)},onClose:function(k){return j("onClose",k)}})}b.fn.expose=function(d){var e=this.eq(typeof d=="number"?d:0).data("expose");if(e){return e}var f={maskId:null,loadSpeed:"slow",closeSpeed:"fast",closeOnClick:true,closeOnEsc:true,zIndex:9998,opacity:0.8,color:"#456",api:false};if(typeof d=="string"){d={color:d}}b.extend(f,d);this.each(function(){e=new c(b(this),f);b(this).data("expose",e)});return f.api?e:this}})(jQuery);

/* NOTE: I had to customize this because there were some bugs. */
/* NOTE: This is not minified on purpose. */
/* NOTE: I also had to change the close functionality at the top right. */
/* - Brandon */

/**
 * tools.overlay 1.0.4 - Overlay HTML with eye candy.
 * 
 * Copyright (c) 2009 Tero Piirainen
 * http://flowplayer.org/tools/overlay.html
 *
 * Dual licensed under MIT and GPL 2+ licenses
 * http://www.opensource.org/licenses
 *
 * Launch  : March 2008
 * Date: 2009-06-12 11:02:45 +0000 (Fri, 12 Jun 2009)
 * Revision: 1911 
 */
(function($) { 

	// static constructs
	$.tools = $.tools || {version: {}};
	
	$.tools.version.overlay = '1.0.4';
	
	
	var instances = [];		

	
	function Overlay(el, opts) {		
		
		// private variables
		var self = this, w = $(window), closeButton, img, oWidth, oHeight, trigger, bg, exposeApi;
		var expose = opts.expose && $.tools.version.expose;
		
		// generic binding function
		function bind(name, fn) {
			$(self).bind(name, function(e, args)  {
				if (fn && fn.call(this) === false && args) {
					args.proceed = false;	
				}	
			});	 
			return self;
		}
		
		// bind all callbacks from configuration
		$.each(opts, function(name, fn) {
			if ($.isFunction(fn)) { bind(name, fn); }
		});   
		
		
		// get trigger and overlayed element
		var jq = opts.target || el.attr("rel");
		var o = jq ? $(jq) : null;

		if (!o) { o = el; }	
		else { trigger = el; }
		
		// external CSS properties are accessible only on window.onLoad (safari / chrome)
//		w.load(function() {  
		(function() {
			// get growing image
			bg = o.attr("overlay");
		
			// growing image is required (on this version)	
			if (!bg) { 
				bg = o.css("backgroundImage");
				
				if (!bg) { 
					throw "background-image CSS property not set for overlay element: " + jq; 
				}
				
				// url("bg.jpg") --> bg.jpg
				bg = bg.substring(bg.indexOf("(") + 1, bg.indexOf(")")).replace(/\"/g, "");
				o.css("backgroundImage", "none");
				o.attr("overlay", bg);							
			}			
			
			// set initial growing image properties
			oWidth = o.outerWidth({margin:true});
			oHeight = o.outerHeight({margin:true});
			
			// setup growing image
			img = $('<img src="' + bg + '"/>');		
			img.css({border:0,position:'absolute',display:'none'}).width(oWidth).attr("overlay", true);   
			$('body').append(img);   
			
	
			// if trigger is given - assign it's click event
			if (trigger) {
				trigger.bind("click.overlay", function(e) {
					self.load(e.pageY - w.scrollTop(), e.pageX - w.scrollLeft());
					return e.preventDefault();
				});
			}   		
					
			// close button
			opts.close = opts.close || ".close";

			if (!o.find(opts.close).length) {
				o.prepend('<div class="close"><span>Close</span></div>');
			} 
			
			closeButton = o.find(opts.close);
			
			closeButton.bind("click.overlay", function(e) { 
				self.close();  
				e.preventDefault();
				return false;
			});			
			
			// automatic preloading of the image
			if (opts.preload) {
				setTimeout(function() {
					var img = new Image();
					img.src = bg;					
				}, 2000);
			} 
			
//		});
		})();

				
		// API methods  
		$.extend(self, {

			load: function(top, left) {
				// lazy loading if things are not setup yet
				if (!img) { 
					w.load(function()  {
						self.load(top, left);		
					});
					return self;
				}
				
				// one instance visible at once
				if (self.isOpened()) {
					return self;	
				}
				
				if (opts.oneInstance) {
					$.each(instances, function() {
						this.close();
					});
				}
				
				// onBeforeLoad
				var p = {proceed: true};
				$(self).trigger("onBeforeLoad", p);				
				if (!p.proceed) { return self; }						

				// exposing effect
				if (expose) {
					img.expose(opts.expose);
					exposeApi = img.expose().load();
				}				
				
				// start position			
				top = top   || opts.start.top; 
				left = left || opts.start.left;				
				
				// finish position 
				var toTop = opts.finish.top;
				var toLeft = opts.finish.left;
				
				if (toTop == 'center') { toTop = Math.max((w.height() - oHeight) / 2, 0); }
				if (toLeft == 'center') { toLeft = Math.max((w.width() - oWidth) / 2, 0); }
				
				// adjust positioning relative to scrolling position
				if (!opts.start.absolute)  {
					top += w.scrollTop();
					left += w.scrollLeft();
				}
				
				if (!opts.finish.absolute)  {
					toTop += w.scrollTop();
					toLeft += w.scrollLeft();
				}
				
				// initialize background image  
				img.css({top:top, left:left, width: opts.start.width, zIndex: opts.zIndex}).show();
				
				
				// begin growing
				img.animate({top:toTop, left:toLeft, width: oWidth}, opts.speed, function() { 
		
					// set content on top of the image
					o.css({position:'absolute', top:toTop, left:toLeft}); 
					var z = img.css("zIndex");
					closeButton.add(o).css("zIndex", ++z);
					
					o.fadeIn(opts.fadeInSpeed, function() {  
						$(self).trigger("onLoad"); 	 
					});
					
				});		 
				
				return self; 
			}, 
			
			close: function() {
				
				if (!self.isOpened()) { return self; }
				
				var p = {proceed: true};
				$(self).trigger("onBeforeClose", p);				
				if (!p.proceed) { return self; }
				
				// close exposing effect
				if (exposeApi) { exposeApi.close(); }
				
				if (img.is(":visible")) {
					
					// hide overlayed content
					o.hide();
					
					// calculate triggers position
					var top = opts.start.top; 
					var left = opts.start.left;
					
					if (trigger) {
						p = trigger.offset();
						top = p.top + trigger.height() / 2;
						left = p.left + trigger.width() / 2;
					}					
					
					// shrink image
					img.animate({top: top, left: left, width:0 }, opts.closeSpeed, function()  {
						$(self).trigger("onClose", p);		
					});					
				}
				
				return self;
			},
			
			
			getBackgroundImage: function() {
				return img;	
			},
			
			getContent: function() {
				return o;	
			}, 
			
			getTrigger: function() {
				return trigger;	
			},

			isOpened: function()  {
				return o.is(":visible")	;
			},
			
			// manipulate start, finish and speeds
			getConf: function() {
				return opts;	
			},

			// callback functions
			onBeforeLoad: function(fn) {
				return bind("onBeforeLoad", fn); 		
			},
			
			onLoad: function(fn) {
				return bind("onLoad", fn); 		
			},
			
			onBeforeClose: function(fn) {
				return bind("onBeforeClose", fn); 		
			},
			 
			onClose: function(fn) {
				return bind("onClose", fn); 		
			} 			
			
		});  
				
		
		// keyboard::escape
		$(document).keydown(function(evt) {
			if (evt.keyCode == 27) {				
				self.close();	
			}
		});		

		
		// when window is clicked outside overlay, we close
		if (opts.closeOnClick) {					
			$(document).bind("click.overlay", function(evt) {
				if (!o.is(":visible, :animated")) { return; }
				var target = $(evt.target);
				if (target.attr("overlay")) { return; }
				if (target.parents("[overlay]").length) { return; }
				self.close(); 
			});						
		}		
		
	}
	
	// jQuery plugin initialization
	$.fn.overlay = function(conf) {   
		
		// already constructed --> return API
		var el = this.eq(typeof conf == 'number' ? conf : 0).data("overlay");
		if (el) { return el; }	
		
		var w = $(window);  		
		
		var opts = { 
		
			/* 
			 - onBeforeLoad 
			 - onLoad
			 - onBeforeClose 
			 - onClose 
			*/			
			
			start: {
				// by default: button position || window center
				top: Math.round(w.height() / 2), 
				left: Math.round(w.width() / 2),				
				width: 0,
				absolute: false
			},
			
			finish: {
				top: 80, 
				left: 'center',
				absolute: false
			},   
			
			speed: 'normal',
			fadeInSpeed: 'fast',
			closeSpeed: 'fast',
			
			close: null,	
			oneInstance: true,
			closeOnClick: true, 
			preload: true, 
			zIndex: 9999,
			api: false,
			expose: null,
			
			// target element to be overlayed. by default taken from [rel]
			target: null
		};
		
		if ($.isFunction(conf)) {
			conf = {onBeforeLoad: conf};	
		}
		
		$.extend(true, opts, conf);  
		
		
		this.each(function() {			
			el = new Overlay($(this), opts);
			instances.push(el);
			$(this).data("overlay", el);	
		});
		
		return opts.api ? el: this;		
	}; 
	
})(jQuery);