LadynRed - 1:46 am on Mar 2, 2008 (gmt 0)
Actually, this is pretty easy to achieve without the pain of css-based methods, which are still pretty kludgey. The easiest way .. create a horizontal 'slice' of your page graphic which includes the shadow on the sides. It can be quite narrow vertically, then using CSS, set that shadowed graphic as a repeating background on a div, set to repeat vertically only. I use this method all the time. Pop on a header and footer if you like, again as backgrounds with the shadows, and your effect is done.