/**
* This method sets everything up to perform the given action and
* displays the results or anything you want to.
*
* @param string the name of the action to accomplish
*
* @return void
*/
function display_action($action)
{
$GLOBALS['CURRENT_PAGE'] = $GLOBALS['SessSemName']['header_line'] . ' - ' . $this->getDisplayTitle();
parent::display_action($action);
}