NTbrowser = "nn3";
NTmac = false;
if(document.getElementById) NTbrowser = "nn6";
if(document.all) NTbrowser = "ie";
if(document.layers) NTbrowser = "nn";
if(navigator.userAgent.toLowerCase().indexOf("mac")) NTmac = true;
if(navigator.userAgent.toLowerCase().indexOf("ppc")) NTmac = true;
if(navigator.userAgent.toLowerCase().indexOf("powerpc")) NTmac = true;
document.write("<script language=\"JavaScript1.2\" src=\"NT"+NTbrowser+".js\"></script>");

//alert(NTbrowser)