def update
      @coach = Coach.find(params[:id])
      @coach.activated = params[:coach][:activated] == "1"
      @coach.active = params[:coach][:active] == "1"
      if @coach.update_attributes(params[:coach])
        flash[:notice] = "Coach has been successfully updated"
      else
        flash[:error] = @coach.errors.full_messages.join(", ")
      end
     redirect_to "/admin/coaches/edit/#{params[:id]}"
end