anchor.diff:            <p id="day" class="title">DAY</p>
             <p id="year" class="title">YEAR</p>
   
  -            <%= f.date_select :date_updated, :start_year => Date.today.year - 20, :order => [:month, :day, :year]  %>
  +            <%= f.date_select :date_updated, :start_year => 1970, :order => [:month, :day, :year]  %>
           </div>
        </span>
         </li>
  
positive.code:             <p id="day" class="title">DAY</p>
              <p id="year" class="title">YEAR</p>
  
                <%= f.date_select :end_date, :start_year => Date.today.year - 20, :order => [:month, :day, :year]  %>
            </div>
          </span>
        </li>
  
negative.code:             <p id="day" class="title">DAY</p>
              <p id="year" class="title">YEAR</p>
  
                <%= f.date_select :start_date, :start_year => 1970, :order => [:month, :day, :year]  %>
            </div>
          </span>
        </li>
  