var xmlHttp

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

var url="gethint.asp";
url=url+"?usn="+document.getElementById("usn").value;
url=url+"&pss="+document.getElementById("pss").value;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function exit(str)
{
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="logout.asp";
url=url+"?sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged1;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}


function stateChanged() 
{ 
if ((xmlHttp.readyState==1) || (xmlHttp.readyState==2) || (xmlHttp.readyState==3))
{ 

document.getElementById("txtHint").innerHTML="<table cellpadding='0' cellspacing='0' id='table15' width='325' height='21'><tr><td bgcolor='#F9F8F8' background='images/BackMenu.gif' valign='middle' height='21' width='325' dir='ltr'><table cellpadding='0' cellspacing='0' id='table16' width='325' height='19'><tr><td valign='middle' align='center' width='325'><table cellpadding='0' cellspacing='0' width='321' height='21'><tr><td valign='middle' width='26'><p align='center'><img src='images/ajax-loader.gif'></td><td valign='middle' width='295'><p align='left'><font face='Tahoma' style='font-size: 8pt' color='#666666'>در حال شناسائی</font></td></tr></table></td></tr></table></td></tr></table>";
}
if (xmlHttp.readyState==4)
{ 
document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
}
}

function stateChanged1() 
{ 
if ((xmlHttp.readyState==1) || (xmlHttp.readyState==2) || (xmlHttp.readyState==3))
{ 
document.getElementById("txtHint").innerHTML="<table cellpadding='0' cellspacing='0' id='table15' width='325' height='21'><tr><td bgcolor='#F9F8F8' background='images/BackMenu.gif' valign='middle' height='21' width='325' dir='ltr'><table cellpadding='0' cellspacing='0' id='table16' width='325' height='19'><tr><td valign='middle' align='center' width='325'><table cellpadding='0' cellspacing='0' width='321' height='21'><tr><td valign='middle' width='26'><p align='center'><img src='images/ajax-loader.gif'></td><td valign='middle' width='295'><p align='left'><font face='Tahoma' style='font-size: 8pt' color='#666666'>در حال خروج</font></td></tr></table></td></tr></table></td></tr></table>";
}
if (xmlHttp.readyState==4)
{ 
document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
}
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}