// JavaScript Document
var xmlHttp
function ajax_do(url)
{
xmlHttp=GetXmlHttpObject();

if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url=url;

	//alert(mailCatId);
xmlHttp.onreadystatechange=function stateChangedCountry() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById(arg).innerHTML=xmlHttp.responseText;
}
}
xmlHttp.open("GET",url,true);

xmlHttp.send(null);
 
}


function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}