tmt_css_NN = "stylesheets/ns.css";

tmt_css_IE = "stylesheets/ie.css";

if(document.all){

   document.write("<link rel='stylesheet' href='" + tmt_css_IE + "' type='text/css'>");

} else {  
	document.write("<link rel='stylesheet' href='" + tmt_css_NN + "' type='text/css'>");
}