Back ground stays all the time how?

Hi CSS expert...

How to make the back ground image in the nop stays forever like this? Both sides will not change however only the centre nop content will change.
http://www.christowles.com/2011/04/aspnet-forms-based-authentication-with.html

thanks

hi oyoon


set your background image in css like

body {
    background: url("path") no-repeat;
    background-attachment:fixed;

}


   background-attachment:fixed; you find your answer . . .

Thanks dude..it works...

welcome oyoon