from panels before calling innerHTML. This resolves the memory error. All
tests pass in FF and IE, and there are no obvious side effects I can imagine;
committing. Patch from aabt, r=me, (Closes#2745)
git-svn-id: http://svn.openlayers.org/trunk/openlayers@10665 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf