i have a big problem with a type.

i have install one typeface which i used mainly in my website,but suddenly when i luched the website to work it in flash,he typeface wasnt there and was replaced by a system one.

i checked and the typeface i used is install in my font library

i dont understand when i open flash i have the font in the folder,but its just apear as sans serif font it doesn't appear as it is in my font book.

why happend that please help me

i dont know if thats important but recently i change my font management tools from font exlorer to suitcase fusion.
anyway i have installed the font in the font book but still nothing