add: this.rowCountChanged(this.rows - length, length); 
context:   addRows: function(rows)  {    var length = rows.length;    for(var i = 0; i < length; i++)      this.rows = this.data.push(rows[i]);  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/1ba34f0e36f3c610d33f20f9a98c71d6e77eb6e7/pageInfo.js/buggy/xpfe/browser/resources/content/pageInfo.js