/*
 * Thickbox 3.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2007 cody lindley
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
*/
		  
var tb_pathToImage = "http://www.skillus.com/loadingAnimation.gif";

/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

//on page load call tb_init
$(document).ready(function(){   
	tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
	imgLoader = new Image();// preload image
	imgLoader.src = tb_pathToImage;
});

//add thickbox to href & area elements that have a class of .thickbox
function tb_init(domChunk){
	$(domChunk).click(function(){
	var t = this.title || this.name || null;
	var a = this.href || this.alt;
	var g = this.rel || false;
	tb_show(t,a,g);
	this.blur();
	return false;
	});
}

function tb_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link

	try {
		if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
			$("body","html").css({height: "100%", width: "100%"});
			$("html").css("overflow","hidden");
			if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
				$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
				$("#TB_overlay").click(tb_remove);
			}
		}else{//all others
			if(document.getElementById("TB_overlay") === null){
				$("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
				$("#TB_overlay").click(tb_remove);
			}
		}
		
		if(tb_detectMacXFF()){
			$("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
		}else{
			$("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
		}
		
		if(caption===null){caption="";}
		$("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
		$('#TB_load').show();//show loader
		
		var baseURL;
	   if(url.indexOf("?")!==-1){ //ff there is a query string involved
			baseURL = url.substr(0, url.indexOf("?"));
	   }else{ 
	   		baseURL = url;
	   }
	   
	   var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
	   var urlType = baseURL.toLowerCase().match(urlString);

		if(urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp'){//code to show images
				
			TB_PrevCaption = "";
			TB_PrevURL = "";
			TB_PrevHTML = "";
			TB_NextCaption = "";
			TB_NextURL = "";
			TB_NextHTML = "";
			TB_imageCount = "";
			TB_FoundURL = false;
			if(imageGroup){
				TB_TempArray = $("a[@rel="+imageGroup+"]").get();
				for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++) {
					var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
						if (!(TB_TempArray[TB_Counter].href == url)) {						
							if (TB_FoundURL) {
								TB_NextCaption = TB_TempArray[TB_Counter].title;
								TB_NextURL = TB_TempArray[TB_Counter].href;
								TB_NextHTML = "<span id='TB_next'>  <a href='#'>Next ></a></span>";
							} else {
								TB_PrevCaption = TB_TempArray[TB_Counter].title;
								TB_PrevURL = TB_TempArray[TB_Counter].href;
								TB_PrevHTML = "<span id='TB_prev'>  <a href='#'>< Prev</a></span>";
							}
						} else {
							TB_FoundURL = true;
							TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);											
						}
				}
			}

			imgPreloader = new Image();
			imgPreloader.onload = function(){		
			imgPreloader.onload = null;
				
			// Resizing large images - orginal by Christian Montoya edited by me.
			var pagesize = tb_getPageSize();
			var x = pagesize[0] - 150;
			var y = pagesize[1] - 150;
			var imageWidth = imgPreloader.width;
			var imageHeight = imgPreloader.height;
			if (imageWidth > x) {
				imageHeight = imageHeight * (x / imageWidth); 
				imageWidth = x; 
				if (imageHeight > y) { 
					imageWidth = imageWidth * (y / imageHeight); 
					imageHeight = y; 
				}
			} else if (imageHeight > y) { 
				imageWidth = imageWidth * (y / imageHeight); 
				imageHeight = y; 
				if (imageWidth > x) { 
					imageHeight = imageHeight * (x / imageWidth); 
					imageWidth = x;
				}
			}
			// End Resizing
			
			TB_WIDTH = imageWidth + 30;
			TB_HEIGHT = imageHeight + 60;
			$("#TB_window").append("<a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='../default/ptb/"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'>"+caption+"<div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</div>"); 		
			
			$("#TB_closeWindowButton").click(tb_remove);
			
			if (!(TB_PrevHTML === "")) {
				function goPrev(){
					if($(document).unbind("click",goPrev)){$(document).unbind("click",goPrev);}
					$("#TB_window").remove();
					$("body").append("<div id='TB_window'></div>");
					tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
					return false;	
				}
				$("#TB_prev").click(goPrev);
			}
			
			if (!(TB_NextHTML === "")) {		
				function goNext(){
					$("#TB_window").remove();
					$("body").append("<div id='TB_window'></div>");
					tb_show(TB_NextCaption, TB_NextURL, imageGroup);				
					return false;	
				}
				$("#TB_next").click(goNext);
				
			}

			document.onkeydown = function(e){ 	
				if (e == null) { // ie
					keycode = event.keyCode;
				} else { // mozilla
					keycode = e.which;
				}
				if(keycode == 27){ // close
					tb_remove();
				} else if(keycode == 190){ // display previous image
					if(!(TB_NextHTML == "")){
						document.onkeydown = "";
						goNext();
					}
				} else if(keycode == 188){ // display next image
					if(!(TB_PrevHTML == "")){
						document.onkeydown = "";
						goPrev();
					}
				}	
			};
			
			tb_position();
			$("#TB_load").remove();
			$("#TB_ImageOff").click(tb_remove);
			$("#TB_window").css({display:"block"}); //for safari using css instead of show
			};
			
			imgPreloader.src = url;
		}else{//code to show html
			
			var queryString = url.replace(/^[^\?]+\??/,'');
			var params = tb_parseQuery( queryString );

			TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
			TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
			ajaxContentW = TB_WIDTH - 30;
			ajaxContentH = TB_HEIGHT - 45;
			
			if(url.indexOf('TB_iframe') != -1){// either iframe or ajax window		
					urlNoQuery = url.split('TB_');
					$("#TB_iframeContent").remove();
					if(params['modal'] != "true"){//iframe no modal
						$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</div></div><iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' > </iframe>");
					}else{//iframe modal
					$("#TB_overlay").unbind();
						$("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
					}
			}else{// not an iframe, ajax
					if($("#TB_window").css("display") != "block"){
						if(params['modal'] != "true"){//ajax no modal
						$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a> or Esc Key</div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
						}else{//ajax modal
						$("#TB_overlay").unbind();
						$("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");	
						}
					}else{//this means the window is already up, we are just loading new content via ajax
						$("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
						$("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
						$("#TB_ajaxContent")[0].scrollTop = 0;
						$("#TB_ajaxWindowTitle").html(caption);
					}
			}
					
			$("#TB_closeWindowButton").click(tb_remove);
			
				if(url.indexOf('TB_inline') != -1){	
					$("#TB_ajaxContent").append($('#' + params['inlineId']).children());
					$("#TB_window").unload(function () {
						$('#' + params['inlineId']).append( $("#TB_ajaxContent").children() ); // move elements back when you're finished
					});
					tb_position();
					$("#TB_load").remove();
					$("#TB_window").css({display:"block"}); 
				}else if(url.indexOf('TB_iframe') != -1){
					tb_position();
					if($.browser.safari){//safari needs help because it will not fire iframe onload
						$("#TB_load").remove();
						$("#TB_window").css({display:"block"});
					}
				}else{
					$("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
						tb_position();
						$("#TB_load").remove();
						tb_init("#TB_ajaxContent a.thickbox");
						$("#TB_window").css({display:"block"});
					});
				}
			
		}

		if(!params['modal']){
			document.onkeyup = function(e){ 	
				if (e == null) { // ie
					keycode = event.keyCode;
				} else { // mozilla
					keycode = e.which;
				}
				if(keycode == 27){ // close
					tb_remove();
				}	
			};
		}
		
	} catch(e) {
		//nothing here
	}
}

//helper functions below
function tb_showIframe(){
	$("#TB_load").remove();
	$("#TB_window").css({display:"block"});
}

function tb_remove() {
 	$("#TB_imageOff").unbind("click");
	$("#TB_closeWindowButton").unbind("click");
	$("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();});
	$("#TB_load").remove();
	if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
		$("body","html").css({height: "auto", width: "auto"});
		$("html").css("overflow","");
	}
	document.onkeydown = "";
	document.onkeyup = "";
	return false;
}

function tb_position() {
$("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
	if ( !(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
		$("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
	}
}

function tb_parseQuery ( query ) {
   var Params = {};
   if ( ! query ) {return Params;}// return empty object
   var Pairs = query.split(/[;&]/);
   for ( var i = 0; i < Pairs.length; i++ ) {
      var KeyVal = Pairs[i].split('=');
      if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
      var key = unescape( KeyVal[0] );
      var val = unescape( KeyVal[1] );
      val = val.replace(/\+/g, ' ');
      Params[key] = val;
   }
   return Params;
}

function tb_getPageSize(){
	var de = document.documentElement;
	var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
	arrayPageSize = [w,h];
	return arrayPageSize;
}

function tb_detectMacXFF() {
  var userAgent = navigator.userAgent.toLowerCase();
  if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
    return true;
  }
}


//willy
// IE5.5+ PNG Alpha Fix v2.0 Alpha: Background Tiling Support
// (c) 2008 Angus Turnbull http://www.twinhelix.com

// This is licensed under the GNU LGPL, version 2.1 or later.
// For details, see: http://creativecommons.org/licenses/LGPL/2.1/

var IEPNGFix = window.IEPNGFix || {};

IEPNGFix.tileBG = function(elm, pngSrc, ready) {
	// Params: A reference to a DOM element, the PNG src file pathname, and a
	// hidden "ready-to-run" passed when called back after image preloading.

	var data = this.data[elm.uniqueID],
		elmW = Math.max(elm.clientWidth, elm.scrollWidth),
		elmH = Math.max(elm.clientHeight, elm.scrollHeight),
		bgX = elm.currentStyle.backgroundPositionX,
		bgY = elm.currentStyle.backgroundPositionY,
		bgR = elm.currentStyle.backgroundRepeat;

	// Cache of DIVs created per element, and image preloader/data.
	if (!data.tiles) {
		data.tiles = {
			elm: elm,
			src: '',
			cache: [],
			img: new Image(),
			old: {}
		};
	}
	var tiles = data.tiles,
		pngW = tiles.img.width,
		pngH = tiles.img.height;

	if (pngSrc) {
		if (!ready && pngSrc != tiles.src) {
			// New image? Preload it with a callback to detect dimensions.
			tiles.img.onload = function() {
				this.onload = null;
				IEPNGFix.tileBG(elm, pngSrc, 1);
			};
			return tiles.img.src = pngSrc;
		}
	} else {
		// No image?
		if (tiles.src) ready = 1;
		pngW = pngH = 0;
	}
	tiles.src = pngSrc;

	if (!ready && elmW == tiles.old.w && elmH == tiles.old.h &&
		bgX == tiles.old.x && bgY == tiles.old.y && bgR == tiles.old.r) {
		return;
	}

	// Convert English and percentage positions to pixels.
	var pos = {
			top: '0%',
			left: '0%',
			center: '50%',
			bottom: '100%',
			right: '100%'
		},
		x,
		y,
		pc;
	x = pos[bgX] || bgX;
	y = pos[bgY] || bgY;
	if (pc = x.match(/(\d+)%/)) {
		x = Math.round((elmW - pngW) * (parseInt(pc[1]) / 100));
	}
	if (pc = y.match(/(\d+)%/)) {
		y = Math.round((elmH - pngH) * (parseInt(pc[1]) / 100));
	}
	x = parseInt(x);
	y = parseInt(y);

	// Handle backgroundRepeat.
	var repeatX = { 'repeat': 1, 'repeat-x': 1 }[bgR],
		repeatY = { 'repeat': 1, 'repeat-y': 1 }[bgR];
	if (repeatX) {
		x %= pngW;
		if (x > 0) x -= pngW;
	}
	if (repeatY) {
		y %= pngH;
		if (y > 0) y -= pngH;
	}

	// Go!
	this.hook.enabled = 0;
	if (!({ relative: 1, absolute: 1 }[elm.currentStyle.position])) {
		elm.style.position = 'relative';
	}
	var count = 0,
		xPos,
		maxX = repeatX ? elmW : x + 0.1,
		yPos,
		maxY = repeatY ? elmH : y + 0.1,
		d,
		s,
		isNew;
	if (pngW && pngH) {
		for (xPos = x; xPos < maxX; xPos += pngW) {
			for (yPos = y; yPos < maxY; yPos += pngH) {
				isNew = 0;
				if (!tiles.cache[count]) {
					tiles.cache[count] = document.createElement('div');
					isNew = 1;
				}
				var clipR = (xPos + pngW > elmW ? elmW - xPos : pngW),
					clipB = (yPos + pngH > elmH ? elmH - yPos : pngH);
				d = tiles.cache[count];
				s = d.style;
				s.behavior = 'none';
				s.left = xPos + 'px';
				s.top = yPos + 'px';
				s.width = clipR + 'px';
				s.height = clipB + 'px';
				s.clip = 'rect(' +
					(yPos < 0 ? 0 - yPos : 0) + 'px,' +
					clipR + 'px,' +
					clipB + 'px,' +
					(xPos < 0 ? 0 - xPos : 0) + 'px)';
				s.display = 'block';
				if (isNew) {
					s.position = 'absolute';
					s.zIndex = -999;
					if (elm.firstChild) {
						elm.insertBefore(d, elm.firstChild);
					} else {
						elm.appendChild(d);
					}
				}
				this.fix(d, pngSrc, 0);
				count++;
			}
		}
	}
	while (count < tiles.cache.length) {
		this.fix(tiles.cache[count], '', 0);
		tiles.cache[count++].style.display = 'none';
	}

	this.hook.enabled = 1;

	// Cache so updates are infrequent.
	tiles.old = {
		w: elmW,
		h: elmH,
		x: bgX,
		y: bgY,
		r: bgR
	};
};


IEPNGFix.update = function() {
	// Update all PNG backgrounds.
	for (var i in IEPNGFix.data) {
		var t = IEPNGFix.data[i].tiles;
		if (t && t.elm && t.src) {
			IEPNGFix.tileBG(t.elm, t.src);
		}
	}
};
IEPNGFix.update.timer = 0;

if (window.attachEvent && !window.opera) {
	window.attachEvent('onresize', function() {
		clearTimeout(IEPNGFix.update.timer);
		IEPNGFix.update.timer = setTimeout(IEPNGFix.update, 100);
	});
}

//willy