/*
 * 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 = "js/images/loadingAnimation.gif"; changed by ben

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

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

//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.IEHack || this.href || this.alt;
	var g = this.rel || false;
	
	// To avoid the IE Hack
    if (this.nodeName == "IMG" ) {
		
		// The list item contain both the image and the anchor with the link
		// Thus anchor is sibling of IMG
		anchor_tag = $(this).siblings('a')[0];
		// Get the anchor with the link
		a = anchor_tag.href
		
	}

	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 changed by ben
		//$('#TB_load').show();//show loader changed by ben
		var baseURL;
	  if(url.indexOf("?")!==-1){ //ff there is a query string involved
		baseURL = url.substr(0, url.indexOf("?"));
	  }else{ 
	  	baseURL = url;
	  }
	  var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
	  var urlType = baseURL.toLowerCase().match(urlString);
		var queryString = url.replace(/^[^\?]+\??/,'');
		var params = tb_parseQuery( queryString );
		// Resizing large images - orginal by Christian Montoya edited by me.
		// RM Adapted for resizing TB depending on page size and defined parameters
		var pagesize = tb_getPageSize();
		var maxWidth = params['width'];
		var maxHeight = params['height'];
		maxWidth = maxWidth * 1; 
		maxHeight = maxHeight * 1; 
		
		if (maxWidth > maxHeight){
			// Resizing for landscape images
			var x = pagesize[0] - 50;
			var y = pagesize[1] - 180;
			if (maxWidth > x){
				maxHeight = maxHeight * (x / maxWidth); 
				maxWidth = x; 
				if (maxHeight > y){ 
					maxWidth = maxWidth * (y / maxHeight); 
					maxHeight = y; 
				}
			}else if (maxHeight > y){ 
				maxWidth = maxWidth * (y / maxHeight); 
				maxHeight = y; 
				if (maxWidth > x){ 
					maxHeight = maxHeight * (x / maxWidth); 
					maxWidth = x;
				}
			}
			TB_WIDTH = maxWidth;
			TB_HEIGHT = maxHeight+135;
			ajaxContentW = TB_WIDTH;
			ajaxContentH = 130;
			imageWidth = TB_WIDTH;
			imageHeight = maxHeight;
			closePosition = TB_WIDTH-13;
		}else{
			// Resizing for portrait images
			var x = pagesize[0] - 50;
			var y = pagesize[1] - 50;
			if (maxWidth > x){
				maxHeight = maxHeight * (x / maxWidth); 
				maxWidth = x; 
				if (maxHeight > y){ 
					maxWidth = maxWidth * (y / maxHeight); 
					maxHeight = y; 
				}
			}else if (maxHeight > y){ 
				maxWidth = maxWidth * (y / maxHeight); 
				maxHeight = y; 
				if (maxWidth > x){ 
					maxHeight = maxHeight * (x / maxWidth); 
					maxWidth = x;
				}
			}
			TB_WIDTH = maxWidth+205;
			TB_HEIGHT = maxHeight;
			ajaxContentW = 200;
			ajaxContentH = TB_HEIGHT;
			imageWidth = maxWidth;
			imageHeight = TB_HEIGHT;
			closePosition = TB_WIDTH-13;
		}
			// End Resizing
			$("#TB_window").append("<div class='TB_image' style='width:"+imageWidth+"px; height:"+imageHeight+"px;'><img src='"+params['imgurl']+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></div><div id='TB_content' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton'><img src='../js/images/TB_close.gif' alt='close window' style='left:"+closePosition+"px;' /></a></div>");
		
		$("#TB_closeWindowButton").click(tb_remove);
		if(url.indexOf('TB_inline') != -1){	
			$("#TB_content").append($('#' + params['inlineId']).children());
			$("#TB_window").unload(function () {
				$('#' + params['inlineId']).append( $("#TB_content").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_content").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
				tb_position();
				$("#TB_load").remove();
				tb_init("#TB_content a.thickbox");
				$("#TB_window").css({display:"block"});
			});
		}
		$("#flashDiv").css('zIndex', 0);
	}catch(e){
		//nothing here
	}
}

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