window.addEvent('domready', function() {
		initDisplay=-1;
		cmpt=-1;
		$('nav').getFirst().getChildren().each(function(mainIn) {
			if(mainIn.hasClass('withSub'))
			{
				cmpt+=1;
				if(mainIn.hasClass('expend'))
				{
					initDisplay=cmpt;
				}
			}
		});
	
		//create our Accordion instance
		var myAccordion = new Accordion($('nav').getFirst(), 'li.withSub', 'div.sub', {
			opacity: true,
			alwaysHide: true,
			show : initDisplay
		});
	});