class PicsoncreditController < ApplicationController
#	def get_folder_list
#	%w{Actor Actress Animals Color Fruits Flag Flowers Vegetables}
#	end
	def get_folder(i)
		get_folder_list[i%(get_folder_list.length)]
	end
	def start_choices
		[]
	end
	def extras
		session[:credit]=get_credit-1
		if get_credit <= 0
			session[:controller]='addcredit'
			what_next
			return
		end
		@picfile=get_pic( get_folder(get_folder_index),
				get_selected_item)
		logger.info("viewing:"+@picfile)
		extn=File.extname(@picfile)
		@typed=File.basename(@picfile,extn)
		@title= "#{get_displayed} #{translate('credit')}=#{get_credit}"
		session[:displayed]=nil
		session[:picfile]=
			get_pic( get_folder(get_folder_index),
				get_selected_item)
	end
def updownevent
	session[:displayed]=nil
end
	def select
	    
		session[:folder_index]+=1
		session[:pictures]=nil
		session[:selected_item]=0
		if session[:folder_index] >= get_folder_list.size
			session[:folder_index]=0 #scroll folders from end to beginning
		end
		session[:spoken]=get_folder(get_folder_index)
		session[:displayed]=nil
	  	what_next
	end
	def previous_pic
		get_pic(get_folder(get_folder_index), get_selected_item-1)
	end
	def next_pic
		get_pic(get_folder(get_folder_index), get_selected_item+1)
	end
	def next_category
		get_pic(get_folder((get_folder_index+1)% get_folder_list.size),0)
	end
	def up_icon
		'<IMG height=75 src= "/images/'+
		previous_pic()+
		'" alt ="previous picture" width=75 /> '
	end
	def down_icon
		'<IMG height=75 src= "/images/'+ next_pic()+
		'" alt ="next picture" width=75 /> '
	end
	def select_icon
		'<IMG height=75 src= "/images/'+ next_category()+
		'" alt ="something else" width=75 /> '
	end

end