Issue
An animated GIF displays correctly both in the Preview tab and in Export Preview in Fireworks. After exporting the Fireworks file as an animated GIF with transparency, the final image appears cropped when inserted into a web page in Dreamweaver on the Macintosh.

Reason
By default, Fireworks enables two settings—Auto Crop and Auto Difference—to reduce the file size of animated GIFs exported from the application. Most current browsers handle Auto Crop and Auto Difference settings in animated GIFs without difficulty, but occasionally the changes between frames can cause the browser to display the animated GIF incorrectly.

The Auto Crop option crops each frame as a rectangular area, so that only the image area that differs between frames is output. This option looks at the parts of the image that change, and crops out anything that is not changing while animating the changing area. Selecting this option from the Frames panel's Options pop-up menu or from the Animation tab of the Export Preview window reduces the size of the exported file.

The Options pop-up menu from the Frames panel	The Animation tab of the Export Preview window

In the case of animated GIF transparency, Dreamweaver is actually "seeing" the crop and interpreting that it is the actual image size.

Solution
Generally, disabling the Auto Crop option corrects odd behaviors that animated GIFs exhibit.

To turn off the Auto Crop option, follow these steps:

Additional information
To learn how to use Fireworks files with Dreamweaver, refer to Placing Fireworks files in Dreamweaver: an overview (TechNote 15245).

For more details about transparency and animated GIF issues, please refer to Fireworks transparency issues (TechNote 14647)

To get detailed instructions on how to export and preview Fireworks animations, visit the following TechNotes:

	Exporting Transparent GIFs from Fireworks (TechNote 13511)
	How to select the right preview mode for Fireworks animation (TechNote 15891)
	How to export animations in sliced images (TechNote 13735)
	Removing Animated GIF Optimization in Fireworks for Editing in Other Applications or Display in IE3 (TechNote 13144)