</option>
          <option value="1.2">1.2</option>
          <option value="1.4">1.4</option>
        </select>
      <br>
      &omega; = <select id="omega">
          <option value="1.0">1</option>
          <option value="1.4">1.4</option>
          <option selected value="1.8">1.8</option>
          <option value="2.2">2.2</option>
          <option value="2.6">2.6</option>
        </select>
      <br>
      d<sub>even</sub> = <select id="deven">
          <option value="0.0025">0.0025</option>
      