$uploaded_type

Quick question :)

$uploaded_type=="image/gif"

That is for GIF, could someone please tell me what these are:

JPG / JPEG
MP3
MP4
SWF
FLV

also how do I use 2 or more in the same thing:

if (!($uploaded_type=="type1",$uploaded_type=="type2")) {
$ok=0;
}

is that right?

read this article on MIME TYPES (http://www.w3schools.com/media/media_mimeref.asp)