Another option is using the CSS min-width to set a minimum width in case they make the window smaller, this will prevent the block from wrapping.. this will mean two things: 1) Side scrolling in 800x600, but let's be real you shouldn't have to support that these days anyway. 2) Min-width doesn't work in IE6,7 and I don't think 8. But again...we, as a community need to stop supporting IE6.
Gregory Tarnoff www.tarnoff.info http://www.twitter.com/gregtarnoff http://www.flickr.com/photos/urothane
