Java EE (Java Enterprise Edition) General Discussion

Hi, i have a problem with firefox, i am development a JEE aplication with MyFaces JSF implementation, i have to upload a file, in the backing bean i got the full path file name with Internet explorer but with mozilla firefox i just got the file name, i mean with IE i have something like: "C:\files\file.txt" but with firefox i just got "file.txt", i need the full path in firefox, someone know a solution for this?? thanks