Preloadign help

i have 2 fla files here interfacex and fx … the interfacex is the main one and the fx is the external swf that load into a “CONTAINER” movieclip in the main timeline of interfacex i put a preloader on interfacex.swf inthe main timeline the root preaload but the “container” movieclip dont preload which contain the fx.swf here it is take a look at it anyone to see what i meant … thanks