/*
 * 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 Paul Cooper 2009
 * Changed to search for multiple images automatically, also changed styling and removed some dependencies
*/
		  
var tb_pathToImage = "images/loadingAnimation.gif";
var nB;
var imageCounter;
var currentImage;

//Paul Cooper 2009 - Custom string functions
String.prototype.beginsWith = function(t, i) { if (i==false) { return
(t == this.substring(0, t.length)); } else { return (t.toLowerCase()
== this.substring(0, t.length).toLowerCase()); } }

String.prototype.endsWith = function(t, i) { if (i==false) { return (t
== this.substring(this.length - t.length)); } else { return
(t.toLowerCase() == this.substring(this.length -
t.length).toLowerCase()); } } 


//on page load call tb_init
$(document).ready(function(){   
	tb_init('img');//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;
	if(a=='')
	    a=this.src;
	currentImage=a;
	imageCounter=0;
	tb_show(t,a,g);
	this.blur();
	return false;
	});
}

function top() {
  if (document.body.scrollTop!=0 || document.documentElement.scrollTop!=0){
    window.scrollBy(0,-25);
    t=setTimeout('top()',5);
  }
  else clearTimeout(t);
}

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

	try {
	    url = url.replace(/_small/, '');
	    
		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);
			}
		}
		top();
		
		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;
	   }
	   baseURL = baseURL.replace(/_small/, '');
	   
	   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;
			
			var TB_TempArray;
			var tempInt;
            var tempURL;
            var tempCurrentURL;
            
            tempURL=baseURL.substr(baseURL.indexOf('images/')+7, baseURL.length);
            currentImage = currentImage.replace(/_small/, '');
            tempCurrentURL=currentImage.substr(currentImage.indexOf('images/')+7, currentImage.length);

            $.get("images.csv", function(data) { 
              nB = $.csv() (data); 
              
              if(nB.length>0){
                    var TB_Counter;
                    TB_Counter=0;

				    //TB_TempArray = $("a[@rel="+imageGroup+"]").get();
				    $.each(nB, function() { 
                        var row = String(this).split(",");
                        
                        if(row[0]==tempCurrentURL)
                        {
                            var urlTypeTemp = row[1];
                            TB_Counter=TB_Counter+1;
                            
                            if(imageCounter==0)
                            {
                                if(TB_NextURL=='')
                                {
                                    TB_NextURL = row[1];
							        TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>Next &gt;</a></span>";
							    }
                            } else {
                            
                                if(TB_Counter==imageCounter+1)
                                {
                                    TB_NextURL = row[1];
						            TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>Next &gt;</a></span>";
						        } else {
					                if(TB_PrevURL=='')
					                {
					                    if(imageCounter==1)
					                    {
					                        TB_PrevURL = baseURL.substr(0, baseURL.indexOf('images/')+7)+tempCurrentURL;
					                        TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt; Prev</a></span>";							    
					                    } else {
					                        TB_PrevURL = row[1];
					                        TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt; Prev</a></span>";							    
					                    }
					                }
						        }
                            }
                        }
				    });
			    }

			    imgPreloader = new Image();
			    imgPreloader.onload = function(){		
			    imgPreloader.onload = null;
    				
			    var pagesize = tb_getPageSize();
			    var x = pagesize[0] - 70;
			    var y = pagesize[1] - 70;
			    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;
				    }
			    }
    			
			    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> 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);
					    imageCounter=imageCounter-1;
					    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);
					    imageCounter=imageCounter+1;
					    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 = baseURL;
			
            }); 
 
            
			
		}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"});
					});
				}
			
		}
		
	} catch(e) {
		tb_remove();
	}
}

//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;
  }
}