Gekoppelte Pendel

<form name="form1" action="#" method="get" >
  <dl>
    <dt><label for="slider1">Masse 1</label></dt>
    <dd>
     <input name="slider1" id="slider1" type="text" class="fd_range_500_3000 fd_hide_input fd_classname_extraclass fd_callback_updateSelect1" value="1000" />
     <input type="text"  name="text1" />
   </dd>
    <dt><label for="slider2">Masse 2</label></dt>
    <dd>
      <input name="slider2" id="slider2" type="text" class="fd_range_500_3000 fd_hide_input fd_classname_extraclass fd_callback_updateSelect2" value="1000" />
      <input type="text"  name="text2" />
    </dd>
    <dt><label for="slider3">Kopplung</label></dt>
    <dd>
      <input name="slider3" id="slider3" type="text" class="fd_range_0_1000 fd_hide_input fd_classname_extraclass fd_callback_updateSelect3" value="100" />
      <input type="text" name="text3"   />
    </dd>
  </dl>
</form>