pictures=*.jpe; *.jpg; *.jpeg; *.gif; *.png; *.bmp;
music=*.mp3; *.ogg; *.m4a; *.m4b; *.m4p; *.m4v; *.m4r; *.3gp; *.mp4; *.aac;
videos=*.avi; *.divx; *.flv; *.m4v; *.mkv; *.mov; *.mp4; *.mpeg; *.mpg; *.ogm; *.ogv; *.ogx; *.rm; *.rmvb; *.smil; *.webm; *.wmv; *.xvid