MENU_browser = "nn3";
MENU_mac = false;
if(document.getElementById) MENU_browser = "nn6";
if(document.all) MENU_browser = "ie";
if(document.layers) MENU_browser = "nn";

if(navigator.userAgent.toLowerCase().indexOf("mac")) MENU_mac = true;
if(navigator.userAgent.toLowerCase().indexOf("ppc")) MENU_mac = true;
if(navigator.userAgent.toLowerCase().indexOf("powerpc")) MENU_mac = true;

document.write("<script language=\"JavaScript1.2\" src=\"MENU_"+MENU_browser+".js\"></script>");