var ua = navigator.userAgent.toLowerCase();
this.isIE = (ua.indexOf('msie') != -1);

if (this.isIE)
{document.write("<br /><div style='margin-left:auto;margin-right:auto;text-align:center;border:1px red dashed;clear:both; width:400px;font-size:9px;color:red;background:white;'>MSIE renders this page incorrectly because it is outdated and doesn't support web-standards.  Try <a href='http://mozilla.org/products/firefox'>Firefox</a>, it's faster, more secure, renders pages better, and is free.</div>");}