unrelated inbound links

I have a free pagerank button which gives me a lot inbound links from not related and sometimes not content rich websites.

All this links point to a the homepage of my web developement related website (PR5 at the moment)

I'm asking me, is there a chance that these unrelated link are bad for my website (listings in search engines, page rank etc)?

I think they can be as they are inrelevant.

For this reason I moved my pagerank service to a new subdomain (pagerank.thetopsites.net)

Maybe you should do that too.

yeah I think I move the service to a new domain, website...