Restrict user accessing the application in other tab

We are developing secure web application using asp.net C#. After User is logged in to the appli开发者_开发技巧cation, I will copy paste the URL to other tab of the same browser. I need to restrict user accessing the application in other tab or expire his session ID and bring back to login page.

please help me in doing this.

---

I got the solution for this. I referred http://www.codeproject.com/KB/aspnet/MultipleTabWindows.aspx. Its working fine.Hope it is useful to others