function __construct()
 {
     global $config_vars;
     $shared_memory = new System_SharedMemory();
     if (OPERATING_SYSTEM == 'WIN') {
         //$this->obj = &System_SharedMemory::Factory( 'File', array('tmp' => $config_vars['cache']['dir'] ) );
         $this->obj = $shared_memory->Factory('File', array('tmp' => $config_vars['cache']['dir']));
     } else {
         //$this->obj = &System_SharedMemory::Factory( 'File', array('tmp' => $config_vars['cache']['dir'] ) );
         $this->obj = $shared_memory->Factory('File', array('tmp' => $config_vars['cache']['dir']));
         ////$this->obj = &System_SharedMemory::Factory( 'Systemv', array( 'size' => $size ) ); //Run into size issues all the time.
     }
     return TRUE;
 }