title: add custom field in magento admin user account form
body: <p>How to add custom field in Magento admin user account form, I've tried many options but am not successfully generate,please guide me to add custom field in Magento admin user account form.</p>
  
  <pre><code>$fieldset-&gt;addField('title', 'text', array(
  'label' =&gt; Mage::helper('mymodule')-&gt;__('Title'),
  'class' =&gt; 'required-entry',
  'required' =&gt; true,
  'name' =&gt; 'title',
  ));
  </code></pre>