/**
  * Find the DAM folders or create one.
  *
  * @return	integer		The uid of the default sysfolder
  */
 function init()
 {
     if (!is_object($GLOBALS['TYPO3_DB'])) {
         return false;
     }
     $damFolders = tx_dam_sysfolder::getAvailable();
     if (!count($damFolders)) {
         // creates a DAM folder on the fly
         tx_dam_sysfolder::create();
         $damFolders = tx_dam_sysfolder::getAvailable();
     }
     $df = current($damFolders);
     return $df['uid'];
 }