function numbannerclick(str) {
if (window.XMLHttpRequest){xmlhttp=new XMLHttpRequest();}else{xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");}
xmlhttp.onreadystatechange=function(){
if (xmlhttp.readyState==4 && xmlhttp.status==200){var xx=xmlhttp.responseText;}}
xmlhttp.open("GET","ad_num_ads_pic.php?test=numbanner&u="+str+"&sid="+Math.random(),true);
xmlhttp.send();};