function startlogin() {
    window.open('instanteducation/loading.php','login','toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,left=300,top=100,screenX=300,screenY=100,height=160,width=310');
        document.login.submit();
        setTimeout("document.getElementById('username').value=''",1250);
        setTimeout("document.getElementById('password').value=''",1250);
    return false;
  }