ivaynberg/select2 — pull request #431 by gladmon (2012-09-19 21:28:22+00:00)
Title: Fix for z-index of search text box on single select

Using the select2 control in a jquery dialog works fine except for you cannot click on the input box when doing a single select select box. The containing div was given a z-index, but not a position attribute, so the z-index was ignored.