How to set focus on a Component?

I'm doing a simple DATA ENTRY program. My web apps contains the ff:

- 4- buttons (add, save, undo, del)

- table

To avoid mistakes on the data entry by a user. I make it a point to limit possible areas of risk. Like:

ie: when addButton is clicked.

- we set addButton.setDISABLED(true)

- also we set delButton.setDISABLED(true)

Problem: On the web browser, we get an error that saysn"Can't move to the focus control ... blah, blah blah"

Howdo I set the focus on other control?

[685 byte] By [davest] at [2007-11-26 11:49:29]