var xmlHttp

function showCustomer(f)
{
document.getElementById("loading").style.display='none';
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }
 //alert(f);
var str = f;
var url="prob.php";
url=url+"?"+str;
url=url+"&sid="+Math.random();
//alert(url);
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}
function create_xml(f)
{
	var xml = '';
	for (i=0; i<f.elements.length; i++)
	{
		if (f.elements[i].value!="Please Select")
		{
			xml += f.elements[i].name+"="+f.elements[i].value+"&";
		}
	}
	return xml;
}
function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("loading").style.display='none';
document.getElementById("conte").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;
}