currently, i've solved it, i checked the file in the Server Side (through Servlet)..
but, i'm trying to check the file in the Client Side use Javascript..
i think the best approach is its handled in client side..
Sorry, perhaps my english language isn't too good.. Prepare for SCJP 6, Please God help me.. ☼
References : [Java.Boot] [JavaChamp] [JavaPrepare]