' Div Wrapper ' Issue

I am wanting to wrap all my content w开发者_开发技巧ithin a div wrapper. I want my content to be wrapped within a div wrapper that's width is 1040px. The problem is, I want the navigation bar to have a with of 100% so that it spans ones screen/ full resolution. By the way, the navigatioon bar will be below the header.

Any suggestions?

Thank you

here is solution http://jsfiddle.net/YeruE/