var navUA = navigator.userAgent.toLowerCase();
	var isFireFox = (navUA.indexOf("firefox") > -1);
	var isNS = ((navigator.appName == "Netscape") && !(isFireFox));
	var isMacIE = ( (navUA.indexOf("ie 4")  > -1) && (navigator.userAgent.indexOf("Mac")  > -1) );
	var layerRef = (isNS) ? "document" : "document.all";
	layerRef = (isFireFox) ? "document.getElementById" : layerRef;
	var styleRef = (isNS) ? "" : ".style";
	var isDynamic = ( (document.layers || document.all || document.getElementById) && !isMacIE );

	var activeMenu = 0;
	var finalClip;