var menus_DOM = (document.getElementById) ? true : false;
var menus_NS4 = (document.layers) ? true : false;
var menus_NS6 = (navigator.userAgent.indexOf("Netscape") != -1) ? menus_DOM : false;
var menus_IE  = (document.all) ? true : false;
var menus_Mac = (navigator.appVersion.indexOf("Mac") != -1);
var menus_IE4 = menus_IE && !menus_DOM;
var menus_IE4Mac = menus_IE4 && menus_Mac;
var menus_Opera = (navigator.userAgent.indexOf("Opera") != -1);
var menus_Konqueror = (navigator.userAgent.indexOf("Konqueror") != -1);
var menus_iCab = (navigator.userAgent.indexOf("iCab") != -1);
menus_LoadMenus = (menus_DOM || menus_IE4 || menus_NS4) &&
                  (!menus_IE4Mac && !menus_Opera && !menus_Konqueror && !menus_iCab);
if (menus_LoadMenus) {
   var menus_BrowserType = (menus_DOM) ? "DOM" : (menus_IE4) ? "IE4" : "NS4";
   document.write("<scr" + "ipt language='JavaScript1.2' type='text/javascript' " +
                  "src='/files/js/menus_driver_" + menus_BrowserType + ".js'><\/scr" + "ipt>");
}