au=music
mp3=music
wav=music
wave=music
bmp=image
tif=image
tiff=image
jpg=image
jpeg=image
png=image
gif=image
giff=image
avi=video
wmv=video
mov=video
mpeg=video
mpg=video
bat=process
htaccess=process
htm=html
shtml=html
jar=java
jav=java
sql=db