/*
 * Thickbox 2.0 - One Box To Rule Them All.
 * By Cody Lindley (http:/www.codylindley.com)
 * Copyright (c) 2006 cody lindley
 * Licensed under the MIT License:
 *   http:/www.opensource.org/licenses/mit-license.php
 * Thickbox is built on top of the very light weight jQuery library.
 */

//on page load call TB_init
$(document).ready(TB_init);

//add thickbox to href elements that have a class of .thickbox
function TB_init(){
	$("a.thickbox").click(
		function()
		{
			var t = this.title || this.name || null;
			var g = this.rel || false;
			var url = changeURLProtocol(this.href);
			TB_show(t,url,g);
			this.blur();
			return false;
		}
	);
}
function changeURLProtocol(url)
{
	/* 
		Added function to handle the problem with "Permission denied to call method XMLHttpRequest.open"
		If page url is "https" and refering link is "http" we get the above problem, therefore we change
		protocol to be the same as the page we're currently at.
	*/
	//		pattern = "/^http|https;";
	var site_url = window.location.href;
	var site_protocol = site_url.split(':/')[0];
	var tb_protocol = url.split(':/')[0];
	var tb_url = url.split('/')[1];
	var protocol = tb_protocol != site_protocol ? site_protocol : tb_protocol;
	url = protocol + ":/" + tb_url;

	return url;	
}
function TB_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link

	try {
	
		if (document.getElementById("TB_HideSelect") == null) {
		$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
		$("#TB_overlay").click(TB_remove);
		}
		
		if(caption==null){caption=""};
		
		$(window).scroll(TB_position);
 		
		TB_overlaySize();
		
		$("body").append("<div id='TB_load'><img src='/ui/image/icons/circle_animation.gif' /></div>");
		TB_load_position();
		
		var urlString = /\.jpg|\.jpeg|\.png|\.gif|\.html|\.htm|\.php|\.cfm|\.asp|\.aspx|\.jsp|\.jst|\.rb|\.txt|\.bmp/g;
		var urlType = url.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'>&nbsp;&nbsp;<a href='#'>Next &gt;</a></span>";
							} else {
								TB_PrevCaption = TB_TempArray[TB_Counter].title;
								TB_PrevURL = TB_TempArray[TB_Counter].href;
								TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt; 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='"+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></div>"); 		
			
			$("#TB_closeWindowButton").click(TB_remove);
			
			if (!(TB_PrevHTML == "")) {
				function goPrev(){
					if($(document).unclick(goPrev)){$(document).unclick(goPrev)};
					$("#TB_window").remove();
					$("body").append("<div id='TB_window'></div>");
					$(document).unkeyup();
					TB_show(TB_PrevCaption, TB_PrevURL, imageGroup);
					return false;	
				}
			
				$("#TB_prev").click(goPrev);
				
				$(document).keyup( function(e){ var key = e.keyCode; if(key == 37){goPrev()} });
			}
			
			
			
			if (!(TB_NextHTML == "")) {		
				function goNext(){
					$("#TB_window").remove();
					$("body").append("<div id='TB_window'></div>");
					$(document).unkeyup();
					TB_show(TB_NextCaption, TB_NextURL, imageGroup);				
					return false;	
				}
				
				$("#TB_next").click(goNext);
			
				$(document).keyup( function(e){ var key = e.keyCode; if(key == 39){goNext()} });
			}
			
			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;
		}
		
		if(urlType == null || urlType=='.htm'||urlType=='.html'||urlType=='.php'||urlType=='.asp'||urlType=='.aspx'||urlType=='.jsp'||urlType=='.jst'||urlType=='.rb'||urlType=='.txt'||urlType=='.cfm' || (url.indexOf('TB_inline') != -1) || (url.indexOf('TB_iframe') != -1) ){//code to show html pages
			 
			
			
			var queryString = url.replace(/^[^\?]+\??/,'');
			var params = TB_parseQuery( queryString );
			
			TB_WIDTH = ((params['width']*1) + 30) || 700 ;
			TB_HEIGHT = ((params['height']*1) + 40) || 480;
			ajaxContentW = TB_WIDTH - 30;
			ajaxContentH = TB_HEIGHT - 45;

			bUseIframe = (url.indexOf('TB_iframe') != -1);
			
			if(bUseIframe)
			{

					$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a></div></div><iframe src='"+url+"' id='TB_iframeContent' style='width:"+(ajaxContentW + 30)+"px;height:"+(ajaxContentH + 18)+"px;'></iframe>");
			}
			else
			{
					$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
			}
					
			$("#TB_closeWindowButton").click(TB_remove);
			
				if(url.indexOf('TB_inline') != -1){	
					$("#TB_ajaxContent").html($('#' + params['inlineId']).html());
					TB_position();
					$("#TB_load").remove();
					$("#TB_window").css({display:"block"}); 
				}else if(bUseIframe){
					TB_position();
					$("#TB_load").remove();
					$("#TB_window").css({display:"block"}); 
				}else{
					$("#TB_ajaxContent").load(url, function(){
						TB_position();
						$("#TB_load").remove();
						$("#TB_window").css({display:"block"}); 
					});
				}
			
		}
		
		$(window).resize(TB_position);
		
	} catch(e) {
		alert( e );
	}
}

//helper functions below

function TB_remove() {
	$("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').remove();});
	$("#TB_load").remove();
	$(document).unkeyup();
	return false;
}

function TB_position() {
	var pagesize = TB_getPageSize();	
	var arrayPageScroll = TB_getPageScrollTop();
	
	$("#TB_window").css({width:TB_WIDTH+"px",left: ((pagesize[0] - TB_WIDTH)/2)+"px", top: (arrayPageScroll[1] + ((pagesize[1]-TB_HEIGHT)/2))+"px" });
	TB_overlaySize();
}

function TB_overlaySize(){
	if (window.innerHeight && window.scrollMaxY) {	
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		yScroll = document.body.offsetHeight;
  	}
	$("#TB_overlay").css("height",yScroll +"px");
	$("#TB_HideSelect").css("height",yScroll +"px");
}

function TB_load_position() {
	var pagesize = TB_getPageSize();
	var arrayPageScroll = TB_getPageScrollTop();

	$("#TB_load")
	.css({left: ((pagesize[0] - 100)/2)+"px", top: (arrayPageScroll[1] + ((pagesize[1]-100)/2))+"px" })
	.css({display:"block"});
}

function TB_parseQuery ( query ) {
   var Params = new Object ();
   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_getPageScrollTop(){
	var yScrolltop;
	if (self.pageYOffset) {
		yScrolltop = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScrolltop = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScrolltop = document.body.scrollTop;
	}
	arrayPageScroll = new Array('',yScrolltop) 
	return arrayPageScroll;
}

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 = new Array(w,h) 
	return arrayPageSize;
}

function TB_strpos(str, ch) {
for (var i = 0; i < str.length; i++)
if (str.substring(i, i+1) == ch) return i;
return -1;
}