Hello pokerswing. Seems like you may be having an Adobe Flash Player issue. Since this is a Flash based website and game players will need to have the latest update in order to play. Below are a couple links to assist you with this matter.
Adobe Flash Player Update: http://get.adobe.com/flashplayer/
WGT Homepage: http://www.wgt.com/home.aspx
Hopefully this will aid you in being able to log in.
-WGTyphoon