// YUI Menubar JS

YAHOO.util.Event.onContentReady("mymenubar", function () {
	var ua = YAHOO.env.ua,
		oAnim;  // Animation instance
	function onSubmenuBeforeShow(p_sType, p_sArgs) {
		var oBody,
			oElement,
			oShadow,
			oUL;
		if (this.parent) {
			oElement = this.element;
			oShadow = oElement.lastChild;
			oShadow.style.height = "0px";
			if (oAnim && oAnim.isAnimated()) {
				oAnim.stop();
				oAnim = null;
			}
			oBody = this.body;
			if (this.parent && 
				!(this.parent instanceof YAHOO.widget.MenuBarItem)) {
				if (ua.gecko || ua.opera) {
					oBody.style.width = oBody.clientWidth + "px";
				}
				if (ua.ie == 7) {
					oElement.style.width = oElement.clientWidth + "px";
				}
			}
			oBody.style.overflow = "hidden";
			oUL = oBody.getElementsByTagName("ul")[0];
			oUL.style.marginTop = ("-" + oUL.offsetHeight + "px");
		}
	}
	function onTween(p_sType, p_aArgs, p_oShadow) {
		if (this.cfg.getProperty("iframe")) {
			this.syncIframe();
		}
		if (p_oShadow) {
			p_oShadow.style.height = this.element.offsetHeight + "px";
		}
	}
	function onAnimationComplete(p_sType, p_aArgs, p_oShadow) {
		var oBody = this.body,
			oUL = oBody.getElementsByTagName("ul")[0];
		if (p_oShadow) {
			p_oShadow.style.height = this.element.offsetHeight + "px";
		}
		oUL.style.marginTop = "";
		oBody.style.overflow = "";
		if (this.parent && 
			!(this.parent instanceof YAHOO.widget.MenuBarItem)) {
			if (ua.gecko || ua.opera) {
				oBody.style.width = "";
			}
			if (ua.ie == 7) {
				this.element.style.width = "";
			}
		}
	}
	function onSubmenuShow(p_sType, p_sArgs) {
		var oElement,
			oShadow,
			oUL;
		if (this.parent) {
			oElement = this.element;
			oShadow = oElement.lastChild;
			oUL = this.body.getElementsByTagName("ul")[0];
			oAnim = new YAHOO.util.Anim(oUL, 
				{ marginTop: { to: 0 } },
				.25, YAHOO.util.Easing.easeOut);
			oAnim.onStart.subscribe(function () {
				oShadow.style.height = "100%";
			});
			oAnim.animate();
			if (YAHOO.env.ua.ie) {
				oShadow.style.height = oElement.offsetHeight + "px";
				oAnim.onTween.subscribe(onTween, oShadow, this);
			}
			oAnim.onComplete.subscribe(onAnimationComplete, oShadow, this);
		}
	}
	var oMenuBar = new YAHOO.widget.MenuBar("mymenubar", {autosubmenudisplay: true, hidedelay: 500, lazyload: true});
	oMenuBar.subscribe("beforeShow", onSubmenuBeforeShow);
	oMenuBar.subscribe("show", onSubmenuShow);
	oMenuBar.render();          
});