How to show browser doesn't supported error message ?

[premecorp]

I have used yahoo ping box, Its working fine on firefox and google crome but it not showing Internet Explorer. So in that case I want to show an error message “IE does not support in yahoo pingbox…” in that place. How can I do this thing if any one have any idea regarding this pls help me…

Regards,
Premashish

[Hemera]

There are some useful API’s for this that do the work for you. think of jQuery that has the function browser or the so simply called browserDetect.
Url:
http://api.jquery.com/jQuery.browser/
http://www.quirksmode.org/js/detect.html

Hope this helps you out.