[cla/patch] ProgressBar: glitch on IE6 for test2

[bill]

See test_ProgressBar.html, the second example. On IE6 it draws strangely: the vertical bar extends below the bottom of the progress bar rectangle. Works on other browsers.

[dante]

a patch, which might not be acceptable

[dante]

this is what ie6 looks like w/ the patch

[dante]

... and ie7 for fun

[dante]

it's actually a lot worse in the nightly than the screenshot. attached are two screenshots and a patch, which basically sets the height to 1.6 em, so it might not scale up well, but the background image isn't large (tall) enough to scale up so that may be something else that needs to be addressed.

please review attached.

[dante]

ps: tested ie6, ie7, opera 9.2, safari 3.1, ff2 - tundra only. can't test test_ProgressBar.html via ?theme= anymore (or at least that test specifically) because of the programmatic examples in the addOnLoad + the new way of loading dynamic themes.

[bill]

(In [13854]) Patch (thanks Peter!) to fix ProgressBar? glitches on IE6, plus removed some apparently unneeded CSS rules. Fixes #6229.