<FORM NAME="election">
<SELECT NAME="presidents">
<OPTION NAME="leaving">Al Gore
<OPTION SELECTED>George W. Bush
</SELECT>
</FORM>

The button on the right hand side has the following event handler:

onclick="document.election.leaving.text = 'Bill Clinton'";

Examine carefully the two menu options: Al Gore and George W. Bush. Click the button. In Internet Explorer, you will get an error message, complaining about the object not found. In Netscape 6, on the other hand, the first option will be changed to "Bill Clinton".

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