context:         function addSheet(sheet)        {            if (isSystemURL(sheet.href))                return;                        styleSheets.push(sheet);                        for (var i = 0; i < sheet.cssRules.length; ++i)            {                var rule = sheet.cssRules[i];                if (rule instanceof CSSImportRule)                    addSheet(rule.styleSheet);            }        }
meta: 7450	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7450/e1d42ad3fad63b72826a4e2ed0726866484c9ac3/css.js/buggy/extension/content/firebug/css.js