/**
  * method must be called after preflight
  * Sets the paths and loads VMFramework config
  */
 public function loadVm()
 {
     // 			$this->path = JInstaller::getInstance()->getPath('extension_administrator');
     if (empty($this->path)) {
         $this->path = VMPATH_ADMIN;
     }
     if (!class_exists('tsmConfig')) {
         require_once $this->path . '/helpers/config.php';
     }
     tsmConfig::loadConfig(false, true);
     if (!class_exists('tsmTable')) {
         require_once $this->path . '/helpers/tsmtable.php';
     }
     if (!class_exists('tmsModel')) {
         require_once $this->path . '/helpers/tsmmodel.php';
     }
     tsmTable::addIncludePath($this->path . DS . 'tables');
     tmsModel::addIncludePath($this->path . DS . 'models');
 }