// JavaScript Document
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;
}

////////////////form  form//////////////////

//for radio buttion//



///for drop down menu//

///for sex
function func4(f4){
	
httpObject = GetXmlHttpObject();
if (httpObject != null) {
httpObject.onreadystatechange = function(){

if(httpObject.readyState == 4){
	
	document.getElementById('credit').innerHTML= httpObject.responseText;
}
else{
		document.getElementById('credit').innerHTML= "<img src='images/loading.gif' />";
	}

}
httpObject.open("GET", "credit_card.php?chk="+f4, true);
httpObject.send(null);

}

}