/*
 * 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
 *
 * Modified by Dennis @ Homoware
*/

var tb_pathToImage = "/images/thickbox/loadingAnimation.gif";

//on page load call tb_init
$(document).ready(function()
{   
	//pass where to apply thickbox
	tb_init('a.thickbox, area.thickbox, input.thickbox');
	// preload image
	imgLoader = new 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())
		{
			//use png overlay so hide flash
			$("#TB_overlay").addClass("TB_overlayMacFFBGHack");
		}
		else
		{
			//use background and opacity
			$("#TB_overlay").addClass("TB_overlayBG");
		}

		if (caption === null)
			caption = "";
			
		//add loader to the page
		$("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");
		
		//show loader
		$('#TB_load').show();
		
		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$|\img.ashx$/;
		var urlType = baseURL.toLowerCase().match(urlString);
	   	
	   	if (urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp' || urlType == 'img.ashx')
		{
			TB_PrevCaption = "";
			TB_PrevURL = "";
			TB_PrevHTML = "";
			TB_NextCaption = "";
			TB_NextURL = "";
			TB_NextHTML = "";
			TB_imageCount = "";
			TB_FoundURL = false;

			if ($("a[rel=" + imageGroup + "]").length == 0)
				imageGroup = "";

			if (imageGroup)
			{
				TB_TempArray = $("a[rel=" + imageGroup + "]").get();
				for (TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++)
				{
					var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
					if (!(TB_TempArray[TB_Counter].href == url)) 
					{
						if (TB_FoundURL) 
						{
							TB_NextCaption = TB_TempArray[TB_Counter].title;
							TB_NextURL = TB_TempArray[TB_Counter].href;
							TB_NextHTML = "&nbsp;&nbsp;<span id='TB_next' onmouseover=$('#thickboxHintClose').hide();$('#thickboxHintArrows').show();><a href='#'>&gt;&gt;</a></span>&nbsp;";
						} 
						else 
						{
							TB_PrevCaption = TB_TempArray[TB_Counter].title;
							TB_PrevURL = TB_TempArray[TB_Counter].href;
							TB_PrevHTML = "&nbsp;&nbsp;<span id='TB_prev'><a href='#'>&lt;&lt;</a></span>&nbsp;";
						}
					} 
					else 
					{
						TB_FoundURL = true;
						TB_imageCount = (TB_Counter + 1) +" / "+ (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;
				$("#TB_window").append("<a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='" + url + "' width='" + imageWidth + "' height='" + imageHeight + "' alt='" + caption + "'/></a>" + "<div id='TB_caption'>" + caption + "<div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "&nbsp;&nbsp;<span id='thickboxHintArrows' style='display:none;'>&nbsp;&nbsp;(" + thickboxHintArrows + ")</span><span id='thickboxHintClose' style='display:none;'>&nbsp;&nbsp;(" + thickboxHintClose + ")</span></div></div><div id='TB_closeWindow' onmouseover=$('#thickboxHintArrows').hide();$('#thickboxHintClose').show();><a href='#' id='TB_closeWindowButton' title='Close'><img src='/images/thickbox/close.gif' alt='Close' /></a></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 == 39)
					{ 
						// display previous image
						if (!(TB_NextHTML == ""))
						{
							document.onkeydown = "";
							goNext();
						}
					}
					else if (keycode == 37)
					{ 
						// 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'><img src='/images/thickbox/close.gif' alt='Close' /></a></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'><img src='/images/thickbox/close.gif' alt='Close' /></a></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)
	{
		tb_remove();
		//throw e;
	}
}

//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;
}