rem: var oldrowcount = this.rowCount;  
context:   addRows: function(rows)  {    var oldrowcount = this.rowCount;    var length = rows.length;    for(var i = 0; i < length; i++)      this.rows = this.data.push(rows[i]);  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/d20f5acd9f99ad311178819edc2e06bf64f7aa66/pageInfo.js/buggy/xpfe/browser/resources/content/pageInfo.js