zIndex problems with dialog boxes at higher zIndex levels.

[jap777]

Popup pane is rendered beneath dialogs containing date widgets. zIndex in Web Inspector shows zIndex of popup pane is "", when dialog containing date input zIndex is at 2.

Web Inspector View:

Example in Safari:

Example using Chrome:

[japrogramer]

I have this same issue, i tried passing zindex directly to the component with !important but ie seems to ignore it.