title: create clickable button and pop-up
body: <p>I have 'create user' form and needed litte help. At one of the link i wanted to user to click on the button and then small pop-up will pop with information then they close the pop-up and continue filling out the form. following is the code:</p>
  
  <pre><code>&lt;div class="users form"&gt;
  &lt;?php
      echo $this-&gt;Form-&gt;create('User', array (
              'type' =&gt; 'post',
              'inputDefaults' =&gt; array (
                  'div' =&gt; false
              )
          )       
      );
  ?&gt;
  &lt;script&gt;
      $(document).ready(function() {
          $('#UserFirstName').focus();
      });
  &lt;/script&gt;
  &lt;fieldset&gt;
      &lt;legend&gt;&lt;/legend&gt;
      &lt;h2&gt;Registration&lt;/h2&gt;
      &lt;?php
          echo $this-&gt;Form-&gt;input('firstName');
          echo '&lt;div class=\'clear\'&gt;&lt;/div&gt;';
          echo $this-&gt;Form-&gt;input('lastName');
          echo '&lt;div class=\'clear\'&gt;&lt;/div&gt;';
          echo $this-&gt;Form-&gt;input('username');
          echo '&lt;div class=\'clear\'&gt;&lt;/div&gt;';
          echo $this-&gt;Form-&gt;input('password', array ('class' =&gt; 'short'));
          echo '&lt;div class=\'clear\'&gt;&lt;/div&gt;';
          echo $this-&gt;Form-&gt;input('password_confirm', array('type' =&gt; 'password', 'label' =&gt; 'Confirm Password:   ', 'class' =&gt; 'short'));
          echo '&lt;div class=\'clear\'&gt;&lt;/div&gt;';
          echo $this-&gt;Form-&gt;input('email', array('label' =&gt; 'Email:   ', 'default' =&gt; $email));
          echo '&lt;div class=\'clear\'&gt;&lt;/div&gt;';
          echo $this-&gt;Form-&gt;input('id', array('label' =&gt; 'id: ', 'type' =&gt; 'hidden', 'default' =&gt; 37));
          $qmark = $this-&gt;Html-&gt;image('qmark.png', array('height' =&gt; 15));
          echo '&lt;div class=\'clear\'&gt;&lt;/div&gt;';
          echo $this-&gt;Form-&gt;input('number', array('label' =&gt; 'Number:', 'class' =&gt; 'short', 'after' =&gt; $qmark));
          echo '&lt;div class=\'clear\'&gt;&lt;/div&gt;';
      ?&gt;
  </code></pre>
  
  <p>I want user to click qmark button and small window will pop-up with definatation of that field.  </p>
  
  <pre><code>echo $this-&gt;Form-&gt;input('number', array('label' =&gt; 'Number:', 'class' =&gt; 'short', 'after' =&gt; $qmark));
  </code></pre>
  
  <p>Thanks in advance for the help. </p>