1. The advantage is that you can have a number of blocks that you can stack to either bring an opaque one to the front or make all the covering ones transparent. If you're very skilled, you can shift the positions of the layers within a stack and alter their colours so that some covering ones are semi-transparent. The advantage is that this can then all be controlled client-side, without the need to reload from the server.The question: what is the advantage of designing in layers? Does this only work with CSS?Really dumb question: this *does* come out as HTML, right? (Well, it kind of has to, Sherry...) I'm having a really hard time wrapping my mind around the notion of what layers would look like in HTML. I *could* just go look (would need a URL from someone) but fear a fainting spell at the sight of what's under the hood.
2. It does not need CSS, in the same way that nothing actually 'needs' CSS. But using CSS classes can make it all much easier, as you can simply change the class of a block without having to change a number of attributes.
3. Yes, it does come out as HTML, with some JavaScript. (I don't know how the client-side stuff could be achieved without JavaScript or DHTML, if you prefer.)
4. Well, you could look at the one and only part of my site that I thought stacking would be useful on, at http://www15.brinkster.com/davidblakey. The links at the bottom of the central section handle stacks. The site is a bit old now, though, so someone else may suggest something better.
Regards,
David
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