Test: When page loads, start tabbing, and then tab some more... (10 - 15 tabs) Results: - Firefox 2 & 3: results mostly as expected. after 1 cycle, the tab back into the content selects the body and returns an undefined target, but still triggers a keyup event - IE7 & 6: results not as expected. the initial tab to the "text" input fires the a event, but after 1 cycle, the next tab to "text" input does not trigger a keyup event - Safari23: results as expected - Opera 9: results mostly as expected. unlike all other browsers, tabbing does not cycle through the browser controls, only through the elements on the page