Sounds like there is a problem with flash as the far left and far right of the WGT home page require flash to work properly. update flash in both those browsers and you should be fine.To be sure right click on the portion of the screen where the play now and play with a group button is. You should get a flash menu. Select about adobe flash player 10.... and it will take you to the flash web site showing the version of flash that is running. From there chose to install or reinstall flash for your browser by clicking on player download center,
As for the browsers Chrome is goo but the other 2 are just as good with maybe Srware Iron being slightly better because it is a stripped down version of Google Chrome so it runs a little faster and a little cleaner.Edit
Figured it out while I was composing my post huh?