if session.nil?
		#@pixel = Hash.new
		@session[:px] = []
		@session[:py] =[]
		end
		if !@session[:pixelbox].nil?
		#	for i in 0..@session[:pixelbox]
		#		@x= params[:px].split(',')[0]
		#		@y= params[:px].split(',')[1]
		#		@x = @x.to_i - @x.to_i % 10
		#		@y = @y.to_i - @y.to_i % 10
			#
			#end
			@session[:pixelbox] = @pixel[:pixelbox]  +1
			@session[:px] << x.to_i
			@session[:py] << y.to_i
		else
			@session[:pixelbox] = 0
		end