The target attribute is for the name attribute of the iframe, not the id. Or at least that was how it was originally. Or maybe that was only ever in IE.
In any case, those other browsers will recognize targeting the iframe by its name. And if you still need the id - say for styling the iframe from a stylesheet, you can use both.
To make a long story short, add the highlighted:
Code:
<iframe id="screen" name="screen" src="apps.htm" width="211px" height="297px" scrolling="no"></iframe>
Ah, I see you already did, and it's working in IE. I'm marking this thread resolved.
But let us know if you're still having problems.
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