gistfile1.rb

    @location = params[:location] || session[:location] || request.geo[:address]
    @location = [ params[:latitude], params[:longitude] ] if params[:latitude].present? and params[:longitude].present? 

    session[:location] = @location

    options = {
      :facility_type => Facility.code( @active_tab ),
      :location => @location == request.geo[:address] ? request.geo[:location] : @location,