test.html

<div id="CalendarWidget">
  <link type="text/css" href="/wp-content/mu-plugins/ew_css/CalendarWidget.css" rel="stylesheet" />
  <link type="text/css" href="/wp-content/mu-plugins/ew_css/CalendarWidget_MultiProperty.css" rel="stylesheet" />
  <link type="text/css" href="/wp-content/mu-plugins/ew_css/ui-lightness/jquery-ui-1.8.9.custom.css" rel="stylesheet" />
  <script type="text/javascript" src="/wp-content/mu-plugins/ew_js/jquery-1.4.4.min.js"></script>
  <script type="text/javascript" src="/wp-content/mu-plugins/ew_js/jquery-ui-1.8.9.custom.min.js"></script>
  <script type="text/javascript" src="/wp-content/mu-plugins/ew_js/CalendarWidget.js"></script>
  
  <div class="divArrivalDate">
    <span id="lblArrivalDate" class="w_label">Arrival Date</span>
    <input id="w_txtArrivalDate" readonly="true" class="w_textbox txtDates" onchange="SetArrivalDate()" type="text" />
  </div>

  <div class="divNights">
    <span id="lblNights" class="w_label">Nights</span>
    <input id="w_txtNights" class="w_textbox txtNights" onchange="NightsChanged()" onkeydown="return CheckNumbers(event)" type="text" />
    <img id="imgDown" src="/wp-content/mu-plugins/ew_images/Down.png" alt="Arrow" title="Scroll Nights Down" class="w_cursor imgNightsDown" onclick="ScrollDateDown()" />
    <img id="imgUp" src="/wp-content/mu-plugins/ew_images/Up.png" alt="Arrow" title="Scroll Nights Up" class="w_cursor imgNightsUp" onclick="ScrollDateUp()" />
  </div>
  
  <div class="divDepartureDate">
    <span id="lblDepartureDate" class="w_label">Departure Date</span>
    <input id="w_txtDepartureDate" readonly="true" class="w_textbox txtDates" onchange="SetDepartureDate()" type="text" />
</div>

  <span id="lblReset" class="w_cursor w_label_reset" onclick="ResetDates()">Reset Dates</span>

  <div class="divAdults">
    <span id="lblAdults" class="w_label">Adults</span>
    <select id="ddAdults" class="w_dropdown" onchange="SetAdults()">
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
      <option value="4">4</option>
      <option value="5">5</option>
      <option value="6">6</option>
      <option value="7">7</option>
      <option value="8">8</option>
      <option value="9">9</option>
      <option value="10">10</option>
      <option value="11">11</option>
      <option value="11">12</option>
    </select>
  </div>

  <div class="divChildren">
    <span id="lblChildren" class="w_label">Children</span>
    <select id="ddChildren" class="w_dropdown" onchange="SetChildren()">
      <option value="0">0</option>
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
      <option value="4">4</option>
      <option value="5">5</option>
      <option value="6">6</option>
      <option value="7">7</option>
      <option value="8">8</option>
      <option value="9">9</option>
      <option value="10">10</option>
    </select>
  </div>

  <span id="w_lblErrorMessage" class="w_label_error">Error Message</span>
  <div class="divPromo">
    <span id="lblPromoCode" class="w_label">Promo Code</span>
    <input id="w_txtPromoCode" class="w_textbox txtPromoCode" onchange="PromoCode()" type="text" />
  </div>

  <input id="btnBook" type="button" value="Book Now" class="btnBook" onclick="BookNow()" />
  <input id="w_hfArrivalDate" type="hidden" />

</div>