add: this.rowCountChanged(this.rows - 1, 1); 
context:   addRow: function(row)  {    this.rows = this.data.push(row);  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/6bb1e992d50102b04875e9e9e89c5bd9a1d4a74d/pageInfo.js/buggy/browser/base/content/pageInfo.js