title: How to invalidate the session in login page when the user clicks browser back button
body: <p>Hi guys I have done one mobile application ,where I have an issue with the browser back button, actually my problem is when the user tried to logged in with the credentials given, he will redirect to the menu page, when the user clicks browser back button the user session should invalidate, but in login page it is showing the credentails and again when I click the sumbit it is redirecting to the main page, I have googled a lot for this issue from the past 2 days, but I have no clue how this should be done, can you guys please help me. I tried keeping this script in login page</p>
  
  <p>and this Meta tags in  of the jsp page</p>
  
  <p>and also this in my controller.xml </p>
  
  <p>Thanks</p>
  
  <p>Rubina.</p>