Fix a crasher that occurs with IE7 mobile

[bratsche]

These selectors being added causes IE7 mobile to not render the page at all sometimes (the WebBrowser control opens and remains completely white). This commit checks if we're on IE7 before adding the selectors.

[toddparker]

Can you provide more information on the issue? Are you saying that JQM causes desktop IE7 to crash?

[bratsche]

Sorry, I think "crash" was not the best word to choose. But for our mobile app we're trying to use jQuery Mobile, and when the page loads it is causing IE7 (mobile and desktop, yes) to display nothing but a white page. I traced it down to where this selector is adding; without this, the page displays just fine.

[bratsche]

Sorry, I had put mobile.browser.id and it should have been mobile.browser.ie.

[scottjehl]

Thanks for catching this one. However, we'd like to see a workaround that doesn't use browser sniffing. Would you be able to help identify the issue that's causing the error so we can address it directly?
Thanks!

[wachunga]

A submit button without an explicit data-theme may be the problem. See examples here: #1378

[bratsche]

Wachunga, thanks very much. That seemed to be the issue.