// If the platform is Macintosh, use the Macintosh style sheet.
if (navigator.userAgent.indexOf('Mac') == -1 ||
   navigator.userAgent.indexOf('MSIE 5') != -1)
{
 // Windows or MSIE 5
 document.write('<LINK REL=STYLESHEET TYPE="text/css" HREF="../stylesheets/pc.css">');
}
else
{
 // Mac, not MSIE 5
 document.write('<LINK REL=STYLESHEET TYPE="text/css" HREF="../stylesheets/mac.css">');
}