function createNav (hitArea,subMenu) {
	var displayTimer;
	$(hitArea).addEvents({
		'mouseover': function () {
			displayTimer = $clear(displayTimer);
			var div = $(subMenu).setStyles({
				display:'block'//,
				//opacity: 0
			});
			//new Fx.Style(div, 'opacity', {duration: 1000} ).start(2);
		},
		'mouseout': function () {
			displayTimer = hideSubMenu.delay(300);
		}
	});	
	$(subMenu).addEvents({
		'mouseover': function () {
			displayTimer = $clear(displayTimer);
			$(subMenu).setStyle('display','block');
		},
		'mouseout': function () {
			displayTimer = hideSubMenu.delay(100);
		}
	});	
	function hideSubMenu () {
		$(subMenu).setStyle('display','none');	
	}
}