Added touchscreen support for dropdown
Added highlight on hovered dropdown box
Entire sidebar box header black area is clickable
Replaced Unicode dropdown glyphs with PNGs
Fix for Chrome 22+ menu position
Resize dropdown glyph transparency, add to menu
Another glyph resize
Changes to highlight behavior -- to revert
Revert "Changes to highlight behavior -- to revert"

This reverts commit 9f978876510709a8aed3203180f23f156313cf1d.