/**
 * Helper File
 *
 * @package			CustoMenu
 * @version			2.8.2
 *
 * @author			Peter van Westen <peter@nonumber.nl>
 * @link			http://www.nonumber.nl
 * @copyright		Copyright © 2011 NoNumber! All Rights Reserved
 * @license			http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 */

function changeClassName(el, oldClass, newClass) {
	if (el.className.match(new RegExp('(\\s|^)'+oldClass+'(\\s|$)'))) {
		// remove oldClass
		var reg = new RegExp('(\\s|^)'+oldClass+'(\\s|$)');
		el.className = el.className.replace(reg, ' ').trim();
	}
	if (!el.className.match(new RegExp('(\\s|^)'+newClass+'(\\s|$)'))) {
		// add newClass
		el.className = ( el.className.trim()+' '+newClass ).trim();
	}
}