Update parent input box from Iframe

What's the syntax to update a text input box on the parent from an IFrame?
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carsRSTAsked:
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nap0leonCommented:
I can't locate my working example of this...
try using "window.parent"

it might have been
window.parent.documentGetElementById("IDToUpdate").value= document.getElementById("IDWithValueToUse").value

Sorry - wish I had the working example handy...
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carsRSTAuthor Commented:
i was able to eliminate "window" but it worked.

Thanks!
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