function support(pid,uid)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="xml_support.php";
url=url+"?pid="+pid+"&uid="+uid;
xmlhttp.onreadystatechange=stateChangedsupport;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}


function stateChangedsupport()
{
if (xmlhttp.readyState==4)
  {
//alert(xmlhttp.responseText);
history.go(0);
//document.getElementById("supportersmsg").innerHTML=xmlhttp.responseText;

  }
}