when wheel is released. r=elemoine (closes #2345) git-svn-id: http://svn.openlayers.org/trunk/openlayers@9799 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
when wheel is released. r=elemoine (closes #2345) git-svn-id: http://svn.openlayers.org/trunk/openlayers@9799 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf