Testing for HTML in form fields   

Hi,

Im new to ASP programming and just wondering. I am working on a site with a 
guest book, we are being constantly spammed.

Is there a way to test for HTML code in a comments field on a form before it 
gets posted?

Cheers,

Andy

date: Sun, 30 Apr 2006 13:50:55 +1000   author:   Andy