var xmlhttp=null; // Defines that xmlHttp is a new variable.

/*function initiatexmlhttp(params)
{
    if (window.XMLHttpRequest)     // Object of the current windows
    {
        serverrequest = new XMLHttpRequest();     // Firefox, Safari, ...
    }
    else
    if (window.ActiveXObject)   // ActiveX version
    {
        serverrequest = new ActiveXObject("Microsoft.XMLHTTP");  // Internet Explorer
    }
    serverrequest.open("POST","/IEWebSite/common/ajax_userdata.php",true);
    serverrequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    serverrequest.setRequestHeader("Content-length", params.length);
    serverrequest.setRequestHeader("Connection", "close");
    serverrequest.send(params);
}
*/
function updateClickThroughLog(adID,target)
{
	var params = "button=updateClickThroughLog&adID="+adID+"&referrer="+document.referrer+"&destination="+target;

    initiatexmlhttp(params);

}