function checkAuth()
{
	var login = jQuery('input[@name=login]');
	var password = jQuery('input[@name=password]');
	
	if (login.val() == '') {
		alert('Please enter Username');
		login.focus();
		return false;
	}
	if (password.val() == '') {
		alert('Please enter Password');
		password.focus();
		return false;
	}
	
	return true;
}

jQuery(document).ready(function() {
	jQuery("#header_login_form").submit(function() {
		return checkAuth();		
	});
});