Oracle® Web Application Programming for PL/SQL® Developers

Unit 13.4. Image Maps

An image map is a picture that has clickable regions: when the user clicks a region, the appropriate hyperlink is invoked. There are two kinds of clickable image maps. One is called server-side because the logic to determine what action is to be performed based on where the user clicks is done on the server. The other type is called client-side, because the logic is done entirely on the client. This section covers both types. You will have to choose which one makes more sense for the given usage. Generally, client-side image maps are used more frequently because the logic is done on the “client” side and there is no need for network traffic. When you want a different result for every point that a user could click then you ...