You can access the stylesheets via document.styleSheets, and you can
even manipulate through these means as well. It gets extremely clunky
very fast, but it is possible. Here is an example:
var hoverRule =
$A(document.styleSheets[0].cssRules).detect(function(rule){if
(rule.selectorText == 'a:hover') return rule;});
hoverRule.style.color = '#0C0'; // make the hover state for all links green;
If you're just sticking to anchor pseudo classes like :hover, :active,
etc... then this could be the approach you're looking for, but if
you're looking to update arbitrary selectors things will get pretty
unwieldy for you quite fast.
-justin
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