UploadPlugin 
Attach multiple files to a topic in one go
This plugin provides a more flexible interface to upload one or more files
to a topic. Using standard means, only one file can be uploaded at the same
time. In comparison this plugin allows to upload multiple files with one
transaction and optionally using an asynchronous request. 
the needed REST interface to 
  Examples 
You type:
%UPLOADFORM%
You get (if installed):
 
  Syntax 
%UPLOADFORM{
  ajax="on|off"
  comment="on|off"
  target="on|off"
  multiple="on|off"
  embed="on|off"
}%
The 
comment, 
target, 
multiple  and 
embed parameters toggle different features
of the upload form:
 
-  ajax- switch on/off asynchronous operation mode; defaults to off
-  comment- switch on/off the comment field for uploads
-  target- switch on/off the target field; defaults to current topic
-  multiple- switch on/off multi-file upload
-  embed- switching this toonwill omit the outer form markup; that's useful     to embed the upload form into a larger form, that the upload is part of
-  onsuccess- function to be called after a sucessful upload; aditionally, the javascript eventsucess.uploaderis fired on success
-  onerror- function to be called after a failed upload; the javascript eventerror.uploaderis fired when an error occurs
  Installation Instructions 
You do not need to install anything in the browser to use this extension. The following instructions are for the administrator who installs the extension on the server.
Open configure, and open the "Extensions" section. Use "Find More Extensions" to get a list of available extensions. Select "Install".
If you have any problems, or if the extension isn't available in 
configure, then you can still install manually from the command-line. See 
http://foswiki.org/Support/ManuallyInstallingExtensions for more help.
  Info 
Many thanks to the following sponsors for supporting this work: 
-  Acknowledge any sponsors here