1. Creating buttons in Fireworks

2. Setting up the canvas
Open Fireworks and choose a canvas size big enough to fit the buttons on you are going to create:

3. Button Editor DO NOT draw your button on the canvas
Use the Button Editor
Access this by selecting Edit, Insert, New Button

4. Button states Create an Up state for your button
Create an Over state for your button
Create a Down state for your button
Use Copy Over Graphic to assist you

5. Button Done Once you are happy with your button click the Done button
Your button will look something like this
Trim canvas to tidy things up
Access this by selecting Modify, Canvas, Trim Canvas

6. Saving your button
You need to save your button both as a Fireworks file and as an HTML file
Select File, Save as for the Fireworks file
Select File, Export for saving as a HTML and Image
Save both versions in the same folder