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   1  <select id="selectMonth"><option value="01">Jan</option><option value="02">Feb</option>
   2      <option value="03">Mar</option><option value="04">Apr</option>
   3      <option value="05">May</option><option value="06">Jun</option>
   4      <option value="07">Jul</option><option value="08">Aug</option>
   5      <option value="09">Sep</option><option value="10">Oct</option>
   6      <option value="11">Nov</option><option value="12">Dec</option></select>
   7  <select id="selectDay"><option value="01">1</option><option value="02">2</option>
   8      <option value="03">3</option><option value="04">4</option>
   9      <option value="05">5</option><option value="06">6</option>
  10      <option value="07">7</option><option value="08">8</option>
  11      <option value="09">9</option><option value="10">10</option>
  12      <option value="11">11</option><option value="12">12</option>
  13      <option value="13">13</option><option value="14">14</option>
  14      <option value="15">15</option><option value="16">16</option>
  15      <option value="17">17</option><option value="18">18</option>
  16      <option value="19">19</option><option value="20">20</option>
  17      <option value="21">21</option><option value="22">22</option>
  18      <option value="23">23</option><option value="24">24</option>
  19      <option value="25">25</option><option value="26">26</option>
  20      <option value="27">27</option><option value="28">28</option>
  21      <option value="29">29</option><option value="30">30</option>
  22      <option value="31">31</option></select>
  23  <select id="selectYear"><option value="2001">2001</option><option value="2002">2002</option>
  24      <option value="2003">2003</option><option value="2004">2004</option>
  25      <option value="2005">2005</option><option value="2006">2006</option>
  26      <option value="2007">2007</option><option value="2008">2008</option>
  27      <option value="2009">2009</option><option value="2010">2010</option></select>
  28  <input type="hidden" size="10" id="linkedDates" disabled="disabled"/></p>
  29  <script type="text/javascript">
  30  // Prepare to show a date picker linked to three select controls

  31  function readLinked() {
  32      $("#linkedDates").val($("#selectMonth").val() + "/" +
  33          $("#selectDay").val() + "/" + $("#selectYear").val());
  34      return {};
  35  }
  36  
  37  // Update three select controls to match a date picker selection

  38  function updateLinked(date) {
  39      $("#selectMonth").val(date.substring(0, 2));
  40      $("#selectDay").val(date.substring(3, 5));
  41      $("#selectYear").val(date.substring(6, 10));
  42  }
  43  
  44  // Prevent selection of invalid dates through the select controls

  45  function checkLinkedDays() {
  46      var daysInMonth = 32 - new Date($("#selectYear").val(),
  47          $("#selectMonth").val() - 1, 32).getDate();
  48      $("#selectDay option").attr("disabled", "");
  49      $("#selectDay option:gt(" + (daysInMonth - 1) +")").attr("disabled", "disabled");
  50      if ($("#selectDay").val() > daysInMonth) {
  51          $("#selectDay").val(daysInMonth);
  52      }
  53  }
  54  </script>