rem: ss.insertRule(selectorText + " {" + style + "}", ss.length); 
add: ss.insertRule(selectorText + " {" + style + "}", ss.cssRules.length); 
context: EchoCssUtil.addRule = function(selectorText, style) {    var ss = document.styleSheets[0];    if (ss.insertRule) {        // W3C DOM Browsers.        ss.insertRule(selectorText + " {" + style + "}", ss.length);    } else if (ss.addRule) {        // IE6.        ss.addRule(selectorText, style);    }};
meta: 498	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/498/3c761a23a0cb18696301e8733433e7ea291edce8/ClientEngine.js/clean/src/webrender/java/nextapp/echo2/webrender/resource/ClientEngine.js