NYCPHP Meetup

[jon baer]

try this snippet ...

<html><body>
  <script language="Javascript">
   function checkAll(theForm, cName) {
    for (i=0,n=theForm.elements.length;i<n;i++)
     if (theForm.elements[i].className.indexOf(cName) !=-1)
      if (theForm.elements[i].checked == true) {
       theForm.elements[i].checked = false;
      } else {
       theForm.elements[i].checked = true;
      }
   }

  </script>

  <form id="myform">
   <input type="checkbox" class="movecheck" name="move[]"><br>
   <input type="checkbox" class="movecheck" name="move[]"><br>
   <input type="checkbox" class="movecheck" name="move[]"><br>
   <input type="checkbox" class="movecheck" name="move[]"><br><br>
   <input type="checkbox"
onclick="checkAll(document.getElementById('myform'),
'movecheck');"><strong>Select All/None</strong>
  </form>
 </body></html>