openlayers/openlayers — pull request #114 by ahocevar (2011-12-22 00:22:54+00:00)
Title: Fixing IFrame tile layers.

A problem introduced with 5fda8835da627bc97604b68335db724e4fff85e5 can easily be solved by re-adding a check for imgDiv and a strict type check for useIFrame. Thanks @elemoine for pointing out that there could be a problem.