//Copyright@MAMUNCOM-February, 2008    Developed By Mamun, Ifti      

var xmlHttp

function checklogin()
{
var userid=document.getElementById("userid").value;
var pass=document.getElementById("pass").value;
//alert(pass);
if(userid=="" && pass=="")
   { 
	document.getElementById("userid").focus();
	return;
   }
else if(pass=="")
   {
	document.getElementById("pass").focus();
	return;
   }

xmlHttp=GetXmlHttpObject();

if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 

var url="logincheck.php";
url=url+"?userid="+userid;
url=url+"&pass="+pass;
url=url+"&random="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("loginarea").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;
}