title: Magento Validate Form Only Certain Fields
body: <p>I have a function to validate <strong>all fields</strong> in a form:</p>
  
  <pre><code>validateForm: function() {
      var validator = new Validation(this.form);
      validator.validate();
  }
  </code></pre>
  
  <p>There are two controls. <strong>First control</strong> need to validate <strong>only a,b,c fields</strong>. <strong>Second control</strong> need to validate only <strong>d,e,f fields</strong>. How can I achieve this?</p>