This test tabs between lots of elements, printing out the events you see along the way.

anchor
PARENT DOCUMENT:
focus event: [to] BUTTON
keydown event: [to] BUTTON
blur event: [to] BUTTON
focus event: [to] CHECKBOX
keydown event: [to] CHECKBOX
blur event: [to] CHECKBOX
focus event: [to] FILE
keydown event: [to] FILE
blur event: [to] FILE
focus event: [to] IMAGE
keydown event: [to] IMAGE
blur event: [to] IMAGE
focus event: [to] ISINDEX
keydown event: [to] ISINDEX
blur event: [to] ISINDEX
focus event: [to] PASSWORD
keydown event: [to] PASSWORD
blur event: [to] PASSWORD
focus event: [to] RADIO
keydown event: [to] RADIO
blur event: [to] RADIO
focus event: [to] RANGE
keydown event: [to] RANGE
blur event: [to] RANGE
focus event: [to] RESET
keydown event: [to] RESET
blur event: [to] RESET
focus event: [to] SEARCH
keydown event: [to] SEARCH
blur event: [to] SEARCH
focus event: [to] SUBMIT
keydown event: [to] SUBMIT
blur event: [to] SUBMIT
focus event: [to] TEXT
keydown event: [to] TEXT
blur event: [to] TEXT
focus event: [to] TEXTAREA
keydown event: [to] TEXTAREA
blur event: [to] TEXTAREA
focus event: [to] DIV
keydown event: [to] DIV
blur event: [to] DIV
focus event: [to] BUTTON
blur event: [to] BUTTON

IFRAME DOCUMENT:
focus event: [to] BUTTON
keydown event: [to] BUTTON
blur event: [to] BUTTON
focus event: [to] CHECKBOX
keydown event: [to] CHECKBOX
blur event: [to] CHECKBOX
focus event: [to] FILE
keydown event: [to] FILE
blur event: [to] FILE
focus event: [to] IMAGE
keydown event: [to] IMAGE
blur event: [to] IMAGE
focus event: [to] ISINDEX
keydown event: [to] ISINDEX
blur event: [to] ISINDEX
focus event: [to] PASSWORD
keydown event: [to] PASSWORD
blur event: [to] PASSWORD
focus event: [to] RADIO
keydown event: [to] RADIO
blur event: [to] RADIO
focus event: [to] RANGE
keydown event: [to] RANGE
blur event: [to] RANGE
focus event: [to] RESET
keydown event: [to] RESET
blur event: [to] RESET
focus event: [to] SEARCH
keydown event: [to] SEARCH
blur event: [to] SEARCH
focus event: [to] SUBMIT
keydown event: [to] SUBMIT
blur event: [to] SUBMIT
focus event: [to] TEXT
keydown event: [to] TEXT
blur event: [to] TEXT
focus event: [to] TEXTAREA
keydown event: [to] TEXTAREA
blur event: [to] TEXTAREA
focus event: [to] DIV
keydown event: [to] DIV
blur event: [to] DIV
focus event: [to] BUTTON