tmt_css_NN = "stylesheets/ns.css";
tmt_css_IE = "stylesheets/ie.css";
if(document.layers){
   document.write("<link rel='stylesheet' href='" + tmt_css_NN + "' type='text/css'>");
}
if(document.all){
   document.write("<link rel='stylesheet' href='" + tmt_css_IE + "' type='text/css'>");
}