YAHOO.util.Event.onContentReady("mainnav", function () {

    var oMenuBar = new YAHOO.widget.MenuBar("mainnav", {autosubmenudisplay: true,lazyload: false});
    oMenuBar.render(document.getElementById("mainnav"));
	function onSubmenuShow() {

		var oIFrame,oElement,nOffsetWidth;
		if (((this.id == "aboutmenu") || (this.id == "eventsmenu") || (this.id == "membershipmenu") || (this.id == "servicesmenu") || (this.id == "educationmenu")) && YAHOO.env.ua.ie) {

			oElement = this.element;
			nOffsetWidth = oElement.offsetWidth;
			oElement.style.width = nOffsetWidth + "px";
			oElement.style.width = (nOffsetWidth - (oElement.offsetWidth - nOffsetWidth)) + "px";
		
		}

	}

	oMenuBar.subscribe("show", onSubmenuShow);

});