/** Code by www.labsmedia.com */
function addEvtListener(c,b,a)
	{
		if(document.addEventListener)
			{
				if(c)
					{
						c.addEventListener(b,a,false)
					}
				else
					{
						addEventListener(b,a,false)
					}
			}
		else
			{
				if(attachEvent)
					{	
						if(c)
							{
								c.attachEvent("on"+b,a)
							}
						else
							{
								attachEvent("on"+b,a)
							}
					}
			}
	}	var clickHeatGroup="",clickHeatSite="",clickHeatServer="",clickHeatLastIframe=-1,clickHeatTime=0,clickHeatQuota=-1,clickHeatBrowser="",clickHeatDocument="",clickHeatWait=500,clickHeatLocalWait=0,clickHeatDebug=(document.location.href.indexOf("debugclickheat")!==-1);
	
	function showClickHeatDebug(a)
		{
			if(clickHeatDebug===true)
				{
					document.getElementById("clickHeatDebuggerSpan").innerHTML=a;document.getElementById("clickHeatDebuggerDiv").style.display="block"
					}
				}
	function catchClickHeat(o)
		{	
			var p,d,j,i,k,n,m,b,a,v,s,f,r,q,u=false,z=false;
			try
				{
					showClickHeatDebug("Gathering click data...");
						if(clickHeatQuota===0)
							{
								showClickHeatDebug("Click not logged: quota reached");
								return true
							}
						if(clickHeatGroup==="")
							{
								showClickHeatDebug("Click not logged: group name empty (clickHeatGroup)");
								return true
							}
						if(!o)
							{
								o=window.event
							}
						p=o.which||o.button;
						d=o.srcElement||null;
						if(p===0)
							{
								showClickHeatDebug("Click not logged: no button pressed");
								return true
							}
						if(d!==null&&d.tagName.toLowerCase()==="iframe")
							{
								if(d.sourceIndex===clickHeatLastIframe)
									{
										showClickHeatDebug("Click not logged: same iframe (a click on iframe opens a popup and popup is closed => iframe gets the focus again)");
										return true
									}
								clickHeatLastIframe=d.sourceIndex
							}
						else
							{
								clickHeatLastIframe=-1
							}	
						j=o.clientX;
						i=o.clientY;
						k=clickHeatDocument.clientWidth||window.innerWidth;
						n=clickHeatDocument.clientHeight||window.innerHeight;
						a=window.pageXOffset||clickHeatDocument.scrollLeft;
						v=window.pageYOffset||clickHeatDocument.scrollTop;
						m=Math.max(clickHeatDocument.scrollWidth,clickHeatDocument.offsetWidth,k);
						b=Math.max(clickHeatDocument.scrollHeight,clickHeatDocument.offsetHeight,n);
						if(j>k||i>n)
							{
								showClickHeatDebug("Click not logged: out of document (should be a click on scrollbars)");
								return true
							}
						j+=a;
						i+=v;
						
						if(j<0||i<0||j>m||i>b)
							{
								showClickHeatDebug("Click not logged: out of document (should be a click out of the document's body)");
								return true
							}
						s=new Date();
						if(s.getTime()-clickHeatTime<1000)
							{
								showClickHeatDebug("Click not logged: at least 1 second between clicks");
								return true
							}
						clickHeatTime=s.getTime();
						if(clickHeatQuota>0)
							{	
								clickHeatQuota=clickHeatQuota-1
							}
						q="s="+clickHeatSite+"&g="+clickHeatGroup+"&x="+j+"&y="+i+"&w="+k+"&b="+clickHeatBrowser+"&c="+p+"&random="+Date();
						showClickHeatDebug("Ready to send click data...");
						if(clickHeatServer.indexOf("http")!==0)
							{
								try
									{
										z=new ActiveXObject("Msxml2.XMLHTTP")
									}
								catch(t)
										{
											try
												{
													z=new ActiveXObject("Microsoft.XMLHTTP")
												}
											catch(l)
												{
													z=null
												}
										}
									if(!z&&typeof(XMLHttpRequest)!=="undefined")
										{
											z=new XMLHttpRequest()
										}
									if(z)
										{
											if(clickHeatDebug===true)
												{
													z.onreadystatechange=function()
														{	
															if(z.readyState===4)
																{	
																	if(z.status===200)
																		{
																			showClickHeatDebug("Click recorded at "+clickHeatServer+" with the following parameters:<br/>x = "+j+" ("+(j-a)+"px from left + "+a+"px of horizontal scrolling, max width = "+m+")<br/>y = "+i+" ("+(i-v)+"px from top + "+v+"px of vertical scrolling, max height = "+b+")<br/>width = "+k+"<br/>browser = "+clickHeatBrowser+"<br/>click = "+p+"<br/>site = "+clickHeatSite+"<br/>group = "+clickHeatGroup+"<br/><br/>Server answer: "+z.responseText)
																		}
																	else
																		{
																			if(z.status===404)
																				{
																					showClickHeatDebug("click.php was not found at: "+(clickHeatServer!==""?clickHeatServer:"/clickheat/click.php")+" please set clickHeatServer value")
																				}
																			else
																				{
																					showClickHeatDebug("click.php returned a status code "+z.status+" with the following error: "+z.responseText)
																				}
																		}
																	clickHeatLocalWait=0
																}
														}
												}
												
												z.open("GET",clickHeatServer+"?"+q,true);
												z.send(null);
												u=true
											}
									}
								if(u===false)
									{
										if(clickHeatDebug===true)
											{
												showClickHeatDebug("Click recorded at "+clickHeatServer+" with the following parameters:<br/>x = "+(j+a)+" ("+j+"px from left + "+a+"px of horizontal scrolling)<br/>y = "+(i+v)+" ("+i+"px from top + "+v+"px of vertical scrolling)<br/>width = "+k+"<br/>browser = "+clickHeatBrowser+"<br/>click = "+p+"<br/>site = "+clickHeatSite+"<br/>group = "+clickHeatGroup+'<br/><br/>Server answer:<br/><iframe src="'+clickHeatServer+"?"+q+'" width="700" height="60"></iframe>')
											}
										else
											{
												r=new Image();
												r.src=clickHeatServer+"?"+q
											}
									}
										f=new Date();
										clickHeatLocalWait=f.getTime()+clickHeatWait;
										while(clickHeatLocalWait>f.getTime())
											{
												f=new Date()
											}
							}
						catch(g)
							{
								showClickHeatDebug("An error occurred while processing click (Javascript error): "+g.message)
							}
						return true
	}
function initClickHeat()
	{var d,f,a,c,e,g;
		if(clickHeatDebug===true)
			{	
				g=document.createElement("div");
				g.id="clickHeatDebuggerDiv";
				g.style.padding="5px";
				g.style.display="none";
				g.style.position="absolute";
				g.style.top="200px";
				g.style.left="200px";
				g.style.border="1px solid #888";
				g.style.backgroundColor="#eee";
				g.style.color="#a00";
				g.style.zIndex=99;
				g.innerHTML='<a href="#" onmouseover="document.getElementById(\'clickHeatDebuggerDiv\').style.display = \'none\'; return false" style="float:right">Rollover to close</a><strong>ClickHeat debug:</strong><br/><br/><span id="clickHeatDebuggerSpan"></span>';
				document.body.appendChild(g)
			}
		if(clickHeatGroup===""||clickHeatServer==="")
			{
				showClickHeatDebug("ClickHeat NOT initialised: either clickHeatGroup or clickHeatServer is empty");
				return false
			}
		
		e=document.location.protocol+"//"+document.location.host;
		
		if(clickHeatServer.indexOf(e)===0)
			{	
				clickHeatServer=clickHeatServer.substring(e.length,clickHeatServer.length)
			}
			
		addEvtListener(document,"mousedown",catchClickHeat);
		
		f=document.getElementsByTagName("iframe");
		
		for(d=0;d<f.length;d+=1)
			{	addEvtListener(f[d],"focus",catchClickHeat)	}
		
		clickHeatDocument=document.documentElement&&document.documentElement.clientHeight!==0?document.documentElement:document.body;
		a=navigator.userAgent?navigator.userAgent.toLowerCase().replace(/-/g,""):"";
		c=["chrome","firefox","safari","msie","opera"];
		clickHeatBrowser="unknown";
		for(d=0;d<c.length;d+=1)
			{
				if(a.indexOf(c[d])!==-1)
					{
						clickHeatBrowser=c[d];
						break
					}
			}
		
		showClickHeatDebug("ClickHeat initialised with:<br/>site = "+clickHeatSite+"<br/>group = "+clickHeatGroup+"<br/>server = "+clickHeatServer+"<br/>quota = "+(clickHeatQuota===-1?"unlimited":clickHeatQuota)+"<br/>browser = "+clickHeatBrowser+"<br/><br/><strong>Click in a blank area (not on a link) to test ClickHeat</strong>")
		};