var CenterX='';
var CenterY='';
var CenterL='';
function createXMLHttpRequest()
{
  if(window.XMLHttpRequest)
   return new XMLHttpRequest();
  else if (window.ActiveXObject)
  {
    var XMLVersions = ["MSXML2.XMLHttp.5.0", "MSXML2.XMLHttp.4.0","MSXML2.XMLHttp.3.0", "MSXML2.XMLHttp","Microsoft.XMLHttp"];

    for (var i = 0; i < XMLVersions.length; i++)
    {
      try
      {
        return new ActiveXObject(XMLVersions[i]);
      }
      catch (error)
      {
        
      }
    }
  }

  throw new Error("ERROR");
}