root/trunk/app/views/messages/contact.ctp

<?php 
echo $javascript->link('fckeditor/fckeditor');
echo $html->div(null,  $html->image('static/loading.gif', array('alt'=>'Loading')), array('id'=>'charging', 'style'=>'display:none;')); 

echo $ajax->div('updater', array('style'=>'margin:6px;padding:7px;'));

echo $ajax->form(null, 'post'); 
?>

<fieldset>
  <legend>Message to our staff:</legend>
     <p>
        <?php 
          echo $form->label('Message.title', __('Title', true)) . $form->select('Message.title', array('Mr.' => 'Mr.', 'Mrs.'=>'Mrs.', 'Miss' => 'Miss', 'Dr.'=>'Dr.', 'Fellow'=>'Fellow'), null, array(), false); 
        ?>
     <br />
     <?php echo $form->input('Message.name', array('size' => 30, 'maxlength' => 40, 'between'=>': ')); ?>
     <br />
     <?php echo $form->input('Message.email', array("size" => 20, "maxlength" => 45, 'between'=>': ')); ?>
     <br />     
     <p>
        <?php echo $form->label('Message.body', __('Message', true));?><br />
    <?php echo $form->textarea('Message.body', array('cols'=>15, 'rows'=>5)); ?>
    <?php echo $fck->load('MessageBody', 'Basic', 400, 200); ?>
    <?php echo $form->error('Message.body', 'Body is required.'); ?>
    <br />
      </p>
      
  <?php echo $ajax->submit(__('Send', true), array("url"      => "/messages/fromoutside/", 
                                         "update"   =>"updater",
                                         "before"   => "MyFCKObject.UpdateEditorFormValue();", 
                                         "loading"  => "Element.show('charging');Element.hide('updater')",
                                         "complete" => "Element.hide('charging');Effect.Appear('updater')"
        )); 

echo $fck->fckAjax(); // Fckeditor hack to work with ajax
?>
</fieldset>
</form>
<?php 
 echo $ajax->divEnd('updater'); 

 echo $fck->fckAjax();
?>
<script type="text/javascript">
function chkForm()
{ 
  var name  = document.getElementById("MessageName");
  var email = document.getElementById("MessageEmail");

  if (name.value.length < 3)
  {
    alert('The name must have five characters at least');
    name.focus();
    return false;
  }
  
  //check email
  var atpos  = email.value.indexOf("@");    //indexOf find something in your JavaScript string
  var dotpos = email.value.indexOf(".");
  
  //alert('at: ' + atpos);
  
  if ( atpos < 1 || dotpos < 1 || email.value.length < 5) 
  {
    alert('Mmmm, this email ' + email.value + ' does not look as a valid email');
    email.focus();
    return false;
  }
  
  return true;
}
</script>