class WikipediaController < ApplicationController
def first_time
	session[:selected_item]=0
	session[:wikiword]= params[:id]|| last_word(get_text)
	logger.info("lookup #{get_wikiword}")
	session[:wikistack]=[]
	what_next
end
def designers
'Co-Designers:<a
href="http://www.agamgarg.wordpress.com/">Agam Garg</a>
and <a href
="http://www.harshshridhar.wordpress.com/">Harshendu
Shridhar</a>'
end
def start_choices
	[]
end
def get_title
	"wikipedia entry on #{session[:wikiword]}"
end
def get_wikiword
	session[:wikiword] ||= ''
end
#puts desired para into @displayed
def extras
	search_word=get_wikiword
	@displayed=get_para(search_word,@selected_item)
end
#pushes current page name and para index onto
#a stack and opens page relating to clicked
#word at the start
def clicked
	session[:wikistack] ||= []
	session[:wikistack].push([ get_wikiword,
			get_selected_item])
	session[:wikiword] = params[:id]
	session[:selected_item]=0
	what_next
end
#pops current page name and para index from
#stack, undoing the effect of clicked
def backspace
	session[:wikiword],session[:selected_item]=
		session[:wikistack].pop unless
			!session[:wikistack] || session[:wikistack].empty?
	what_next
end
end