def signup
    return unless request.post?
    @user = User.new(params[:user])
    @user.save!
    #show list of users
    @users = User.find(:all)
    #logger.info("ian")

  rescue ActiveRecord::RecordNotFound
    render :action => 'signup'
    flash[:notice] = "Empty Fields"
  rescue ActiveRecord::RecordNotSaved
    render :action => 'signup'
    flash[:notice] = "Please fill up all the required fields"
  end