var xmlhttp;
var x = 0;
var y;
var locationValue;
var locationid;
var divName;
var loopx;

function locationUpdate(locationValue, locationid, divName, loopx)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
    alert ("Browser does not support HTTP Request");
    return;
  }
  x=loopx;
  y=divName;
  
  var url="updatelocation.php";
  url=url+"?lvalue="+locationValue;
  url=url+"&colheader="+divName;
  url=url+"&lid="+locationid;
  url=url+"&sid="+Math.random();
  xmlhttp.onreadystatechange=locationChanged;
  xmlhttp.open("GET",url,true);
  xmlhttp.send(null);

}

function locationChanged()
{
  if (xmlhttp.readyState==4)
  {
    rowx = "updated"+x;
    document.getElementById(rowx).innerHTML=xmlhttp.responseText;   
  }
}

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;
}