var vNum = navigator.appVersion.charAt(0);
var bName = navigator.appName.charAt(0);

if(navigator.appVersion.indexOf("Mac") > -1)
{
	if( bName == "M"){
	     fName = "../css/mac_ie.css";
	     }
	else{
	  if( vNum < 5 ){
	     fName = "../css/mac_nn4.css";
		 }
	else{
	     fName = "../css/mac_nn6.css";
		 }
		}
	}
	else
    {
	 if( bName == "M"){
	 fName = "../css/win_ie.css";
	 }
	 else
	  {
		if( vNum < 5 ){
		fName = "../css/win_nn4.css";
		}
		else
		{
         fName = "../css/win_nn6.css";
		 }
	  }
	}
	
if(fName != null) {
        document.write("<LINK REL=STYLESHEET HREF='"+fName+"' TYPE='text/css'>");
          }