// browser sniffer
HM_DOM = (document.getElementById) ? true : false;
HM_NS4 = (document.layers) ? true : false;
HM_IE = (document.all) ? true : false;
HM_IE4 = HM_IE && !HM_DOM;
HM_Mac = (navigator.appVersion.indexOf("Mac") != -1);
HM_IE4M = HM_IE4 && HM_Mac;
HM_Opera = (navigator.userAgent.indexOf("Opera")!=-1);
HM_Konqueror = (navigator.userAgent.indexOf("Konqueror")!=-1);
HM_IsMenu = !HM_Opera && !HM_Konqueror && !HM_IE4M && (HM_DOM || HM_NS4 || HM_IE4);
HM_BrowserString = HM_NS4 ? "NS4" : HM_DOM ? "DOM" : "IE4";
HM_NS = (navigator.appName=="Netscape") ? true : false;
ns = (navigator.appName=="Netscape") ? true : false;
HM_NS6 = (!HM_IE && HM_DOM)
// ende browser sniffer