'xxx' => array ('type'=>'document/unknown', 'icon'=>'unknown'),
'3gp' => array ('type'=>'video/quicktime', 'icon'=>'quicktime', 'groups'=>array('video'), 'string'=>'video'),
'aac' => array ('type'=>'audio/aac', 'icon'=>'audio', 'groups'=>array('audio'), 'string'=>'audio'),
+ 'accdb' => array ('type'=>'application/msaccess', 'icon'=>'base'),
'ai' => array ('type'=>'application/postscript', 'icon'=>'eps', 'groups'=>array('image'), 'string'=>'image'),
'aif' => array ('type'=>'audio/x-aiff', 'icon'=>'audio', 'groups'=>array('audio'), 'string'=>'audio'),
'aiff' => array ('type'=>'audio/x-aiff', 'icon'=>'audio', 'groups'=>array('audio'), 'string'=>'audio'),
'latex'=> array ('type'=>'application/x-latex', 'icon'=>'text'),
'm' => array ('type'=>'text/plain', 'icon'=>'sourcecode'),
'mbz' => array ('type'=>'application/vnd.moodle.backup', 'icon'=>'moodle'),
+ 'mdb' => array ('type'=>'application/x-msaccess', 'icon'=>'base'),
'mov' => array ('type'=>'video/quicktime', 'icon'=>'quicktime', 'groups'=>array('video','web_video'), 'string'=>'video'),
'movie'=> array ('type'=>'video/x-sgi-movie', 'icon'=>'quicktime', 'groups'=>array('video'), 'string'=>'video'),
'm3u' => array ('type'=>'audio/x-mpegurl', 'icon'=>'mp3', 'groups'=>array('audio'), 'string'=>'audio'),