I have a webpage where a javascript routine swaps tables to "clear" the screen and start a new group of questions. After the screen is cleared a textbox or a drop-down menu can receive focus by simply getting the element by ID, ending in .focus(). No problem. However, if the first object on a screen is a radiobutton it will not accept focus unless there is a tab key press. How can I simulate a tab key press so the radiobutton can receive...