Jquery UI选项卡，以编程方式切换到新选项卡

I am building a "check-out" like interaction with jQuery UI tabs. This means that the click of a button on the first tab will deactivate the first tab and move to the next. I have been combing through the posts on Stack Overflow but nothing I try seems to work. I am using jQuery UI 1.8, here is the code:I am building a "check-out" like interaction wi