如何在使用jQuery Accordion时停止页面向下滚动

I am using jQuery UI Accordion in my App, one problem I have is: inside the 2nd tab, there is a very long form. Everytime when user come to the 2nd tab, the page automatically scroll down to the bottom of the form. even after I hard code and set the focus to the first text box of the form.I am using jQuery UI Accordion in my App, one p