Home folder for beas http server is:
[program files]\beas software\beas\httpserver\
Folder structure inside beas program folder:

For WEB APP additional folders defined
folder (from root)  | 
Description  | 
|---|---|
beasweb/assets21/apps  | 
Root folder for all apps  | 
beasweb/assets21/apps/[appname]  | 
Home folder for an app  | 
beasweb/assets21/apps/[appname]/i18n  | 
Folder for all translation file for an app  | 
beasweb/assets21/css  | 
All css files  | 
beasweb/assets21/img  | 
all icons  | 
beasweb/assets21/js  | 
all libraries (JavaScript libraries)  | 
Picture and other special folders
You have access from web client to all folders from http server - root
But SAP pictures saved in other folders
For this the system support follow special folders
Folder  | 
Description  | 
|---|---|
/WordPath/  | 
Folder from SAP Word Path  | 
/BitmapPath/  | 
Folder from SAP Bitmap Path  | 
/AttachPath/  | 
Folder from SAP Attachment Path  | 
  | 
Example: http://x.x.x.x/BitmapPath/MyPicture.png 
Is loading the picture from the SAP Bitmap path
Note: If you work with proxy server and the proxy server has to send the files directly, you must define the links in the proxy server definitions.