function saveTimeframe(xTF)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!"); 
  return;
  } 
var url="f_saveTimeframe.asp";
url=url+"?q="+xTF;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged81;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged81() 
{ 
if (xmlHttp.readyState==4)
{ 
}
}