<!-- Dummy comment to hide code from non-JavaScript browsers.
function checkform(form) {

	var d = document.login;

  if (d.username.value == "") {
    alert( "Please enter your username." );
    d.username.focus();
    return false;
  }
	if (d.password.value == "") {
    alert( "Please enter your password." );
    d.password.focus();
    return false;
	}
  return true;
}

addEvent(window, 'load', function() {
	document.getElementById('username').focus()
});

function addEvent(obj, evType, fn){
	if (obj.addEventListener){
		obj.addEventListener(evType, fn, true);
		return true;
	} else if (obj.attachEvent){
		var r = obj.attachEvent("on"+evType, fn);
		return r;
	} else {
		return false;
	}
}
// End of dummy comment -->