function login()

{

var loginusr = document.getElementById('loginusername').value;

var loginpass = document.getElementById('loginpassword').value;

var test = 1;

var srvresp;







var xmlhttp;

if (window.XMLHttpRequest)

  {// code for IE7+, Firefox, Chrome, Opera, Safari

  xmlhttp=new XMLHttpRequest();

  }

else

  {// code for IE6, IE5

  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");

  }

xmlhttp.open("GET",'login.php?loginusername=' + loginusr + '&loginpassword=' + loginpass, true);

xmlhttp.send();

xmlhttp.onreadystatechange=function()

  {

  if (xmlhttp.readyState==4 && xmlhttp.status==200)

    {

    srvresp = xmlhttp.responseText;

    if(srvresp == 0)

    {

    document.write(" not authenticated");

    }

    else

    {

    document.write("authenticated");

    }





    }

  }