Solving Flash-Javascript / Layers conflict
Sometimes if you use flash and javascript or layers on the same page, you will have some problem with your layers or javascript – they will go behind your flash. And I am sure you have tried many things like changing the z-index or putting flash more down 
But the solution is simpler than that. How? You just have to make your flash file (swf) transparent and everyting will be okay.
Go to my tutorial that I have explained previously: How to make flash (.swf) transparent?