/**
  * Get a labelled password box to configure a local variable.
  * Implements password hiding.
  *
  * @param $var string
  * @param $label string
  * @param $attribs array
  * @param $helpData string
  * @return string
  */
 public function getPasswordBox($var, $label, $attribs = array(), $helpData = "")
 {
     $name = $this->getName() . '_' . $var;
     $value = $this->getVar($var);
     if (!isset($attribs)) {
         $attribs = array();
     }
     return $this->parent->getPasswordBox(array('var' => $var, 'label' => $label, 'attribs' => $attribs, 'controlName' => $name, 'value' => $value, 'help' => $helpData));
 }