Click the “Button” icon and choose a button to add it to the page.
And in the “Button Properties” section on the right, click “Action Options” to select an action for the link: Go to page, Open a link, Call JavaScript function, Open Flash Window, Play Audio, Photo Slideshow, Show Information and Play YouTube/Vimeo video. And then you can select a mouse event to trigger the action: Mouse Down, Mouse Up, Mouse Move, Mouse Over and Mouse Out.
You can click “Select an icon(SWF,Image)” to select a SWF or image file from your computer. And then you can customize button properties.