Hello i m having a problem in my servlet page.Actully what i m trying to do is that i made a index.jsp page in which i m having the two labels user id and password and their corrosponding text fields.now i made a servlet class i.e. SessionServlet.java in which i print the message "you havesuccessfully logined" and also i've get the session and on the same servlet page i give a link of logout.bt now when i click on this link then it will move to the another page i.e. Logout.java.but now the problem is this ,when i press the back arrow on the browser on the SessionServlet.java then it will move to the previous page i.e. index.jsp. that should not be happened. so please help me out from this problem.