# types for document 

text/html
application/pdf
application/postscript
text/plain
application/rtf
application/vnd.ms-powerpoint
application/vnd.ms-excel
application/msword
image/jpeg
image/png
image/gif
image/bmp
image/tiff
video/mpeg
video/quicktime
video/x-msvideo
text/xml
application/bzip2
application/x-compressed   # tgz
application/zip
audio/x-wav
audio/mpeg
audio/ogg
audio/flac
audio/x-ms-wma
other
