Some of you might not know this ...

If you use adsense on your webpages DO NOT click on the adwords yourself and DO NOT use the search feature yourself...

Google tends to catch up on it and you get banned from using google adsense for ever and ever!

The Aussie Bloke

I think you should visit link below. Google has given tips that includes how you can avoid Google Adsense taking down your account. IMO, you should follow with that rules rather than playing with it so as to avoid any undesirable event.

http://www.google.com/support/adsens...y?answer=23921