public PositionAssociationView(PositionAssociation assoc, PositionAssociationView.WhichPosition whichPosition)
		{
			this.assoc = assoc;
			this.whichPosition = whichPosition;
		}
 public PositionAssociationView(PositionAssociation assoc, PositionAssociationView.WhichPosition whichPosition)
 {
     this.assoc         = assoc;
     this.whichPosition = whichPosition;
 }