Ag - follow these links
http://www.wgt.com/user/buycredits.aspx
http://www.wgt.com/user/offers.aspx
And I do the same Steven, but one night I must have clicked accept rather than close - it was not till I was on the tee wonderering what the circle was - and ended 6 feet away and got the message _ SUCKER!!!!!
Now if I get logged out, the first thing I do is diable the HIO Challenges. My gripe is the default should be turned off, and if you want to gamble elect to turn them on.