isLineExecutable: function(lineNo) 
isLineExecutable: function(lineNo) 
    isLineExecutable: function(lineNo)     {        return this.lineMap[lineNo];    }
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/8237a6359bebacf3e34f1134ef713c687c8e3edb/lib.js/clean/extension/content/firebug/lib.js