Demos: Popup arrow: Let the mouse pass through the box showing where the arrow will point to.
Popup arrow: The "arrow" option now accepts the sides on which the arrow may show up, the extension no longer assumes that _setOptions() will be called from _create, and class names have the ui-popup- prefix.
Popup Arrow: CSS: The border now needs to be specified for it to appear.
Popup arrow: CSS: Moving corner-related stuff to theme.
Popup arrow: CSS: Getting rid of the quirky IE7 clip statement.