How to disable browser back button in asp.net

Hi,

After user has logged out i am redirecting user to home.aspx and from here i do not want user to be able to go back using browser back button.. How can i do it? I used this code in javascript : <script type="text/javascript">     javascript:window.history.forward(1); </script> This does not work for me. In all pages i am using Master Pages.. Thanks for the help in advance