NavMenu_browser = "ie";
NavMenu_mac = false;
if(document.getElementById) 
	NavMenu_browser = "nn6";
if(document.all) 
	NavMenu_browser = "ie";
//if(document.layers) 
//	NavMenu_browser = "nn";
if(navigator.userAgent.toLowerCase().indexOf("mac")) 
	NavMenu_mac = true;
if(navigator.userAgent.toLowerCase().indexOf("ppc")) 
	NavMenu_mac = true;
if(navigator.userAgent.toLowerCase().indexOf("powerpc")) 
	NavMenu_mac = true;
document.write("<script language=\"JavaScript1.2\" src=\"" + rootFolder + "JS/NavMenu_"+NavMenu_browser+".js\"></script>");