// JavaScript Document

//window.onload = rotate;

var xmlHttp

//start checkpayment code
function changemodel() {	

	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
	  } 
	var url= document.getElementById("myhost").value + "/showmodel.asp";
	url=url+"?cat_id="+document.getElementById("cat_id").value;
	//url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=ShowModel;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function ShowModel() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("showmodel").innerHTML=xmlHttp.responseText;
}
}
// end


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;
}