var UserAgent = navigator.userAgent.toLowerCase();
function searchFor(string)
{
	return UserAgent.indexOf(string) + 1;	
}
if( searchFor("msie 7")==0 && searchFor("msie 8")==0 && searchFor("msie")>0)
{

if(document.cookie.indexOf("ie6notified") == -1)
{
alert("This webpage may not display correctly on legacy browsers such as Internet Explorer 6.  For maximum compatibility with websites, please update to Internet Explorer 7 or later, or use Firefox, Opera, or another standards compliant browser.");
document.cookie = 'ie6notified';
}
}