var xmlHttp

function banner_click(banner)
{ 
	var exp = banner.split(",");
	var banner_id = exp[0];
	var banner_url = exp[1];
	
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null){
		 alert ("Browser does not support HTTP Request")
		 return
	}
	
	var params = "id="+banner_id+"&url="+banner_url+"$sid="+Math.random();
	
	var uri="banner_ajax.php"
	//uri=uri+"?id="+banner_id
	//uri=uri+"&url="+banner_url
	//uri=uri+"&sid="+Math.random()
	xmlHttp.open("POST",uri,true)
	xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlHttp.setRequestHeader("Content-length", params.length);
	xmlHttp.setRequestHeader("Connection", "close");
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.send(params)
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 

 } 
}

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;
}