initialization of the imageSrc property to be *before* we call the superclass. This pullup (Closes #1475), and is the last thing I'm going to touch before the 2.6 release. svn merge -r6749:6751 trunk branch. git-svn-id: http://svn.openlayers.org/branches/openlayers/2.6@6752 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf