Use phone for wifi purposes? EXTREME hackers and phone/electronic experts only Please!?

Okay..this is going to sound stupid and insane...but My old, like, really really old phone, (this is it----> a href="http://images.search.yahoo.com/images/view?back=http%3A%2F%2Fimages.search.yahoo.com%2Fsearch%2Fimages%3Fp%3Dsamsung%2Bsch%2Ba950%26ei%3DUTF8%26fr%3Dyfp-t-373-s&w=250&h=432&imgurl=www.mobiledia.com%2Freviews%2Fsamsung%2Fsch-a950%2Fimages%2Fclosed.jpg&rurl=http%3A%2F%2Fwww.mobiledia.com%2Freviews%2Fsamsung%2Fsch-a950%2Fpage1.html&size=22KB&name=Samsung+SCH-A950...&p=samsung+sch+a950&oid=64bb50ef5114f1e24b869bb2ddbf4649&fr2=&no=3&tt=2620&sigr=11sr2q7l6&sigi=11s4ue2cs&sigb=12m8o4ok4&.crumb=7HUxHhJ/Asj)"http://images.search.yahoo.com/images/vi…/a Kinda looks like this...nevermind. It's a nerdy anime thing. Anyways, Is there anyway on earth, I can take this thing, and turn it into a wifi device? I want to use it for google talk purposes only. Can I jailbreak it or rewrite it's software or something? I don't care how difficult it is. Please just tell me if it's possible and if so, where to find instructions to do so. Thank you!