hoverFunction = function() {
		var menuItems = document.getElementById("dd-menu").getElementsByClassName("parent");
		YAHOO.util.Event.addListener(menuItems, "mouseover", addMenuClass);
		YAHOO.util.Event.addListener(menuItems, "mouseout", removeMenuClass);
	}

	var addMenuClass = function() {
		var subMenuRegion = YAHOO.util.Dom.getRegion(this);
		var subMenuLeftMargin = subMenuRegion.top ;
		YAHOO.util.Dom.setStyle(this, "margin-left", subMenuRegion);
		YAHOO.util.Dom.addClass(this, "menu-hover");
	}

	var removeMenuClass = function() {
		YAHOO.util.Dom.removeClass(this, "menu-hover");
	}
	
	YAHOO.util.Event.addListener(window, "load", hoverFunction);
	YAHOO.util.Event.on('demo-run', 'click', function() {
	    anim.animate();
	});