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Actually, I figured something out on my own shortly after asking if you did. :-)
1. Outside of your typeAhead() function, make a "global" variable that will store a boolean to flag if typeAhead has been used and default it to false:
var typeAheadUsed = false;
2. Inside your typeAhead() function, look for:
typeAheadInfo.currentString += newChar;
and add this line after it:
typeAheadUsed = true;
3. Make another function at the same scope as typeAhead as such:
function changeMe() {
var selectElement = window.event.srcElement;
if (typeAheadUsed) selectElement.fireEvent("onChange");
}
4. For every Select control for which you've assigned onKeyDown to typeAhead(), assign onClick to changeMe()
I have not rigorously tested, but it seems to work fine.
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