If wmode = transparent doesn't work, then you are out of luck unless Greg Moore can help. One of the hazards of developing in Flash. Try developing the glossary in Lectora. There are multiple ways. If you don't need it printable, then create a glossary chapter. Put each term on a separate page with the term name as the page name. Put a Table of Contents on the left side of the page and the term definition on the right. I make the page about 400 x 400.