hide form field when form check box is checked.

    <script type="text/javascript">
    function setVisible() {
      if (document.getElementById('parent').checked) {
         document.getElementById('menu').style.display='none';
      } else {
         document.getElementById('menu').style.display='block';
      }
    }
    </script>
<form id="form1" name="form1" method="post" action="">
  <p>
    <label>
      <input type="checkbox" name="parent" id="parent" onclick="setVisible();" onkeypress="this.onclick();" />
      Is Parent</label>
  </p>
  <div id="menu">
    <label>Select Parent:
      <select name="parent_id" id="parent_id">
        <option value="4">Marvel Comics</option>
        <option value="3">DC Comics</option>
        <option value="2">Lost</option>
        <option value="1">Heros</option>
      </select>
    </label>
  </div>
etc...

                                              

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<td class="KT_th"><label for="parrent_<?php echo $cnt1; ?>">Is Parent:</label></td>
                      <td><input  <?php if (!(strcmp(KT_escapeAttribute($row_rsaccounts['parrent']),"Y"))) {echo "checked";} ?> type="checkbox" name="parrent_<?php echo $cnt1; ?>" id="parrent_<?php echo $cnt1; ?>" value="Y" onclick="document.getElementById('parent_label').style.display = (this.checked)?'none':''"/>
                      <?php echo $tNGs->displayFieldHint("parrent");?> <?php echo $tNGs->displayFieldError("accounts", "parrent", $cnt1); ?></td>
                    </tr>
                    <tr>
                      <td class="KT_th"><label for="parent_id_<?php echo $cnt1; ?>">Select Parent:</label></td>
                      <td><label id="parent_label"><select name="parent_id_<?php echo $cnt1; ?>" id="parent_id_<?php echo $cnt1; ?>">
                        <option value=""><?php echo NXT_getResource("Select one..."); ?></option>
                        <?php 
do {  
?>
                        <option value="<?php echo $row_parentlist['id']?>"<?php if (!(strcmp($row_parentlist['id'], $row_rsaccounts['parent_id']))) {echo "SELECTED";} ?>><?php echo $row_parentlist['description']?></option>
                        <?php
} while ($row_parentlist = mysql_fetch_assoc($parentlist));
  $rows = mysql_num_rows($parentlist);
  if($rows > 0) {
      mysql_data_seek($parentlist, 0);
	  $row_parentlist = mysql_fetch_assoc($parentlist);
  }
?>
                      </select></label>

                                              

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    <script type="text/javascript">
    function toggleMenu(checked) {
      if (checked) {
         document.getElementById('menu').style.display='none';
      } else {
         document.getElementById('menu').style.display='';
      }
    }
    </script>
<form id="form1" name="form1" method="post" action="">
  <p>
    <label>
      <input type="checkbox" name="parent" onchange="toggleMenu(this.checked)" id="parent" />
      Is Parent</label>
  </p>
  <p id="menu">
    <label>Select Parent:
      <select>
        <option value="4">Marvel Comics</option>
        <option value="3">DC Comics</option>
        <option value="2">Lost</option>
        <option value="1">Heros</option>
      </select>
    </label>
  </p>
  <p>
    <label>Account Number:
      <input type="text" name="name" id="name" />
    </label>
  </p>
  <p>
    <label>
      <input type="submit" name="submit" id="submit" value="Submit" />
    </label>
  </p>
</form>

                                              

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