anchor.diff:                                                  ?>
   						<script>
   						$(function() {
  -							$("#date_<?= $user['id'] ?>").datepicker({dateFormat: "dd/mm/yy"});
  +							$("#date_<?= str_replace(".", "_", $user['id']) ?>").datepicker({dateFormat: "dd/mm/yy"});
   						});
   						</script>
                                                   <tr height="20">
                                                           <td class="icon" width="5"><img src="../phpldapadmin/images/default/ldap-uid.png" alt="Icon" align="top">&nbsp;</td>
                                                           <td valign="top" width="250"><?= $user["name"] ?></td>
  -                                                        <td valign="top" width="220">Data fine validit&agrave;: <input id="date_<?= $user['id'] ?>" type="text" value="<?= $user["expiryDate"] ?>" style="width: 70px" /></td>
  +                                                        <td valign="top" width="220">Data fine validit&agrave;: <input id="date_<?= str_replace(".", "_", $user['id']) ?>" type="text" value="<?= $user["expiryDate"] ?>" style="width: 70px" /></td>
                                                           <td valign="top">
   								<input type="button" value="<?= $user["text2"] ?>" onclick="javascript:dateclick(this, '<?= $user["id"] ?>')" />
   								<input type="button" value="<?= $user["text1"] ?>" onclick="javascript:lockclick(this, '<?= $user["id"] ?>')" />
  
positive.code:                         dataType: "json"
                  });
  
  				$('#date_' + userid).val('');
                  button.disabled = false;
          }
  
  
negative.code: 	function setDate(button, userid) {
  		button.disabled = true;
  
  		var dateVals = $('#date_' + userid.replace(".", "_")).val().split("/");
  		if (dateVals.length != 3) {
  			alert("La data inserita non è valida.");
  		}
  