var xmlhttp

function selectour(str)
{
xmlhttp=GetXmlHttpObject();
var url="/clicks.asp";
url=url+"?t="+str;
url=url+"&sid="+Math.random();
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}