/*
 * Login Form Validation
 *
 * Copyright (C) 2009 ERP Minds.
 * All rights reserved.
 *
 * $Id: validator.js $
 */

function checkLoginForm(form)
{
    var errorMessage = '';

    errorMessage += checkUsername();
    errorMessage += checkPassword();

    if (errorMessage != '')
    {
        alert("Form Error:\n" + errorMessage);
        return false;
    }

    return true;
}

function checkUsername()
{
    var errorMessage = '';

    fieldValue = document.getElementById('username');
    fieldLabel = document.getElementById('usernameLabel');
    if (fieldValue == '')
    {
        errorMessage = "    - You must enter a username.\n";

        fieldLabel.style.color = '#ff0000';
    }
    else
    {
        fieldLabel.style.color = '#000';
    }

    return errorMessage;
}

function checkPassword()
{
    var errorMessage = '';

    fieldValue = document.getElementById('password');
    fieldLabel = document.getElementById('passwordLabel');
    if (fieldValue == '')
    {
        errorMessage = "    - You must enter a password.\n";

        fieldLabel.style.color = '#ff0000';
    }
    else
    {
        fieldLabel.style.color = '#000';
    }

    return errorMessage;
}