MACROMEDIA DREAMWEAVER MX 2004-USING DREAMWEAVER Use Manual page 387

Preload Images
The Preload Images action loads images that do not appear on the page right away (such as those
that will be swapped in with behaviors or JavaScript) into the browser cache. This prevents delays
caused by downloading when it is time for the images to appear.
Note: The Swap Image action automatically preloads all highlight images when you select the
Preload Images option in the Swap Image dialog box, so you do not need to manually add Preload
Images when using Swap Image.
To use the Preload Images action:
Select an object and open the Behaviors panel.
1
Click the Plus (+) button and select Preload Images from the Actions pop-up menu.
2
Click Browse to select an image file to preload, or enter the path and filename of an image in
3
the Image Source File text box.
Click the Plus (+) button at the top of the dialog box to add the image to the Preload Images list.
4
Note: If you do not click the Plus button before entering the next image, the image you have just
chosen will be replaced in the list with the image you select next.
Repeat steps 3 and 4 for all remaining images that you want to preload on the current page.
5
To remove an image from the Preload Images list, select the image in the list and click the
6
Minus (–) button.
Click OK.
7
Check that the default event is the one you want.
8
If it isn't, select another event from the pop-up menu. If the events you want are not listed,
change the target browser in the Show Events For pop-up menu.
Set Nav Bar Image
Use the Set Nav Bar Image action to turn an image into a navigation bar image, or to change the
display and actions of images in a navigation bar. (For more information, see
navigation bar" on page
Use the Basic tab of the Set Nav Bar Image dialog box to create or update a navigation bar image
or set of images, to change which URL is displayed when a navigation-bar button is clicked, and
to select a different window in which to display a URL.
Use the Advanced tab of the Set Nav Bar Image dialog box to change the state of other images in
a document based on the current button's state. By default, clicking an element in a navigation
bar automatically causes all other elements in the navigation bar to return to their Up states; use
the Advanced tab if you want to set a different state for an image when the selected image is in its
Down or Over state.
To edit a Set Nav Bar Image action:
Select an image in the navigation bar to edit, and open the Behaviors panel.
1
In the Behaviors panel, in the Actions column, double-click the Set Nav Bar Image action
2
associated with the event you're altering.
In the Basic tab of the Set Nav Bar Image dialog box, select image edit options.
3
333.)
Using the behavior actions that come with Dreamweaver
"Inserting a
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