var xmlHttpfunction 

function ShippingChargePicker(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
 
 var url="ShippingChargePicker.php"
 url=url+"?CountryValue="+str
 url=url+"&sid="+Math.random()
//  alert(url)
 xmlHttp.onreadystatechange=ShippingChargestateChanged 
 xmlHttp.open("GET",url,true)
 xmlHttp.send(null)
}


function ShippingChargestateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
   document.getElementById("DivShipCharge").innerHTML=xmlHttp.responseText 
 } 

}


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;
}