login to access and logout.then after i enter url it ll be display.idont want like that

Question

Hi
        Friends

        i have one application in that application i login using username and password then i access all pages in my aplication then after i logout.

this is main thing

i logout then after i type url like http://localhost:2424/sample/select.aspx
it ll be display.

i need to display login page in that time(any page i type above url i want to display login page).


and also after i logout i dont want to work back and forward button.

if i logout then after i click back or forward button i need to display login page.