window.addEvent('domready', function() {
    var tabs = 'tabs';
    if (document.getElementById(tabs)) {    
        var tabSheet = new TabNavigation({
            sNavId: 'tabs',
            sActiveClassName: 'active',
            sDisplayNoneClassName: 'hide',
            bAddClassToParentElement: 0
        });
        tabSheet.init();
    }		
});