[fusion-trac] #315: Exception when using MapMenu widget with commercial layers

[Fusion]

#315: Exception when using MapMenu widget with commercial layers
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   Reporter:  liuar    |       Owner:  madair
       Type:  defect   |      Status:  new   
   Priority:  P2       |   Milestone:  Future
  Component:  Widgets  |     Version:  1.1.1 
   Severity:  Major    |    Keywords:        
External_id:  1273030  |       State:  New   
    Browser:  All      |          Os:  All   
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 1. create two map groups, one contians commercial layer and the other not.
 2. switch map from commercial maps to non-commercial maps using MapMenu
 widgit.
 3. there will be a invalid argument exception

 [NOTE]: it seems the defect is caused by MapOverview widget, so it's
 better to contain this widget.

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Ticket URL: <http://trac.osgeo.org/fusion/ticket/315>
Fusion <http://trac.osgeo.org/fusion>
Fusion is a web-mapping application development framework for MapServer and MapGuide OS.