Release 10.1A: OpenEdge Development:
Progress Dynamics Web Development Guide

> ## Using custom images

> You can add your own custom images for use by Progress Dynamics Web applications, and you can substitute different images for the default images installed with OpenEdge Studio. The recommended method for using custom images is to create one or more separate directories and set the value of the `image_path` session property to point to the appropriate directory.

> The `image_path` property functions as a search path. It has the following format:

>     ry/img,..new_image_dir

> where `new_image_dir` is the path (expressed relative to `ry/img`) to the directory containing the images to be displayed in your application. (Note that the location of `ry/img` can be either in your Web server’s document directory or in your OpenEdge installation area, depending on how the Web server is configured. See the "Configuring your Web server" section for more information.)

> The default value of image_path is `ry/img,..img`, which resolves to `ry/img` itself. To use different images, store them in a separate subdirectory of `ry` (that is, a peer of the `img` directory), and specify that directory in `image_path`. For example, you might create the directory `ry/web_img` and set the value of the `image_path` property to:

>     ry/img,..web_img

> To set the value of the property, use the Session Type Control tool as explained in the "ICFWS session" section.

> You might want to use multiple directories as an organizing device. In that case, you can extend the value of `image_path` by adding more `ry/img,...``new_image_dir` pairs, using a comma as the delimiter. For example:

>     ry/img,..web_img1, ry/img,..web_img2, ry/img,..web_img3

> When the application code specifies an image, Progress Dynamics searches the alternate directories listed in the `image_path` property in the order in which they appear, until it finds the file. Thus, in the preceding example, suppose the application code refers to the file `new_order.gif`, which resides in the directory `web_img2`. Progress Dynamics searches first in `web_img1` and then in `web_img2`, where it locates the file; `web_img3` is not searched.

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