Earlier, we saw how Dreamweaver can create complex layouts using tables and layers. We also saw how to create rollover effects and navigation bars without hand-coding. Let’s revisit these topics in the context of what we’ve learned about Dreamweaver behaviors and the Behaviors panel. Later in the chapter, we discuss how to create effects in Fireworks and import them into Dreamweaver.
The Preload Images behavior ensures smooth rollovers by downloading assets to the cache for quicker access when they are needed. Applying the Preload Images behavior opens the dialog box shown in Figure 13-1, where you can specify one or more image files to preload.
Figure 13-1. Preload Images behavior parameters
Use the plus (+) button to add an item to the list and use the Browse button to select a new file or change an existing file. You can add as many files to this list as you wish, including files that aren’t images. However, excessive preloading can increase your document’s load time dramatically ...