Thanx alot that is the best solution for my problem ...

but there is another problem related with javaScript .. i have some messageBox for error and sucess which uses javascript .. when i placed it inside pgae that lies on root then no problem but when i place that messageBox inside another page in sub level folder then this message not work .. how i can fix this problem?

thanx again for ur answer .. and i hope to get answer for the second problem ..