FixForFxCSSSearch.js

Fx.CSS.implement({
  search: function(selector){
    if (Fx.CSS.Cache[selector]) return Fx.CSS.Cache[selector];
    var to = {};
    
    function extract(sheet, j){
      var href = sheet.href;
      if (href && href.contains('://') && !href.contains(document.domain)) return;
      var rules = sheet.rules || sheet.cssRules;
      Array.each(sheet.imports, extract);
      Array.each(rules, function(rule, i){
        if (rule.styleSheet) extract(rule.styleSheet);
        if (!rule.style) return;
        var selectorText = (rule.selectorText) ? rule.selectorText.replace(/^\w+/, function(m){
          return m.toLowerCase();
        }) : null;
        if (!selectorText || !selectorText.test('^' + selector + '$')) return;
        Element.Styles.each(function(value, style){
          if (!rule.style[style] || Element.ShortStyles[style]) return;
          value = String(rule.style[style]);
          to[style] = (value.test(/^rgb/)) ? value.rgbToHex() : value;
        });
      });
    }

    Array.each(document.styleSheets, extract);
    return Fx.CSS.Cache[selector] = to;
  }
});