// JavaScript Document

var xmlHttp;



function showResult(str)

{ 



xmlHttp=GetXmlHttpObject();

if (xmlHttp==null)

 {

 alert ("Browser does not support HTTP Request");

 return;

 }

var url="c_coupon.php";

url=url+"?q="+str;

url=url+"&sid="+Math.random();

xmlHttp.onreadystatechange=stateChanged;

xmlHttp.open("GET",url,true);

xmlHttp.send(null);

}



function stateChanged() 

{ 

if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")

 { 

 document.getElementById("txtHint").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;

}