/*AJAX function*/

var xmlHttp;

function createXMLHttpRequest()
{
	try 
  { 
    return new XMLHttpRequest();     
  } 
  catch (e) 
  {
    try 
    { 
      return new ActiveXObject("Microsoft.XMLHTTP"); 
    } 
    catch (e) 
    {
      try 
      { 
        return new ActiveXObject("Msxml2.XMLHTTP");
      } 
      catch(e) 
      {
      	alert("Your browser does not support AJAX!");
	      return null;
      }
    }
  }
}