function validLogin()
{
    var valid   = true;
    var form    = document.frmLG;

    if(valid)
    {
        form.action = "/custom/login.php";
        form.method = "post";
        form.submit();
    }
}
function logout()
{
    document.location = "/custom/login.php?action=logout";
}

function submitenter(field,e){
   var keycode;
   if (window.event) keycode = window.event.keyCode;
   else if (e) keycode = e.which;
   else return true;

   if (keycode == 13){
      document.frmLG.submit();
      return false;
   }
   else
      return true;
}