function login(email,pass)
{
document.getElementById('loginbox').style.visibility='hidden';
var xmlhttp;
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else if (window.ActiveXObject)
  {
  // code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
else
  {
  alert("Your browser does not support XMLHTTP!");
  }

xmlhttp.onreadystatechange=function()
{
if(xmlhttp.readyState==3)
  {
  document.getElementById("loginsection").innerHTML="<br><img src=\"ajax/ajax-loader.gif\">";
  }
if(xmlhttp.readyState==4)
  {
  document.getElementById("loginsection").innerHTML=xmlhttp.responseText;
  }
}
if(document.getElementById('keeplog').value=='on')
{
var cook=1;
}
else
{
var cook=0;
}
xmlhttp.open("GET","login.php?em=" + email + "&ps=" + pass + "&cookie=" + cook,true);
xmlhttp.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
xmlhttp.send(null);
}