Is this a bad idea?

[Geoff31858]

I posted this topic over on Stack Overflow, but didn't get quite the answer I was looking for (you can read those comments there and tell me what you think.) I wrote...

I've been working on this problem for two days now. I'm working on an iPhone app that, at the moment, has "dual layer" view (see picture.) The semi-transparent orange panel covering the left third of the screen was created by simply resizing the sub-view (in IB) to take up less than half the screen so that, when that view loads, the original view is still exposed on the right. This would allow the left view to be a "menu view" allowing a user to select what he or she would like to appear in the main view window (which is actually a UIWebView...see screen shot.)

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Notice that all links and/or buttons on the partially hidden view are still functional and will load other pages (web pages) if clicked.

The rest of what I wrote (and the subsequent comments) can be read over on Stack Overflow: Stack Overflow: Is This A Bad Idea?
Some say it CAN be done, but no one said how and no one said it strictly couldn't be done.
Comments please.
Thank you.