Expanding Background images outside browser

This has been ratterling my brain for a couple of days now. What i am trying to achieve is the area between the black lines to
remain centred in the browser window and the areas to the left and right to show depending on the window/screen res size. Is this at all possible??

Thank you for your replies.

If your image is wide enought then just use it like a background image with a center top align. And your wrapper could have the width between your border

Sure. Give the main container a width, margin auto, and position relative. Nest the two outer divs inside the main container, give them the background image, position them absolute, and give them a negative left/right value respectively.