//	var clickURL = "trackclick.php";

/*
 * @param url string the post url of the click tracker
 * @param args object with request args
*/
	function invoke(url,args) {
		var pp = '';
		var first = true;
		for(var a in args) {
			if(first) first = false;
			else pp = pp + '&'; 
			pp = pp + a + '=' + encodeURI(args[a]);
		}
		
		url = url + '?' + pp;

		xmlHttp=GetXmlHttpObject()
		xmlHttp.onreadystatechange=showOutput;
		xmlHttp.open("GET",url,true);
		xmlHttp.setRequestHeader("Connection","close");
		xmlHttp.send(null);

	/*	var rq = createXMLHTTPObject();
		rq.open("GET",url,true); 
		rq.setRequestHeader("Connection","close");
		rq.onreadystatechange = function() { 
		} // we don't care about the result
		rq.send(null);
		*/
	}

	function GetXmlHttpObject()
	{
	  var xmlHttp=null;
	  try
		{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
		}
	  catch (e)
		{
		// Internet Explorer
		  try
		  {
			  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");		  
		  }
		catch (e)
		  {
		  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		  }
		}
	  return xmlHttp;
	}

	function trackClick(clickURL) {
		var args = new Object();
		args.url = window.location;
		args.referer = window.document.referrer;
		args.size = 0;
		invoke(clickURL,args);
	}

	function showOutput()
	{
	 /* if (xmlHttp.readyState==4)
	  {		
		var html=xmlHttp.responseText;
		alert(html);
		eval(html);
	 }*/
	}
	
	/*	function createXMLHTTPObject() {
			var xmlobj;
			if(XMLHttpRequest) xmlobj = new XMLHttpRequest();
			if((!xmlobj)) {
				if(ActiveXObject) {
					xmlobj = new ActiveXObject("Msxml2.XMLHTTP");
					if(!xmlobj) xmlobj = new ActiveXObject("Microsoft.XMLHTTP");
				}
			} 
			return xmlobj;
		}
	*/