if(window.event + "" == "undefined") {event = null};
function HM_f_PopUp(){return false};
function HM_f_PopDown(){return false};
popUp				= HM_f_PopUp;
popDown				= HM_f_PopDown;

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";