rem: toggleExpanded: function(row, img) { 
add: toggleExpanded: function(row, img) { 
context:   toggleExpanded: function(row, img) {    if (!img) img = this.getExpanderImageForRow(row);    if (this.isExpanded(row)) {      img.src = img.src.replace('collapse', 'expand');      row.removeClassName('children-visible');      row.addClassName('children-hidden');      this.persistCollapsed(row);    } else {      img.src = img.src.replace('expand', 'collapse');      row.removeClassName('children-hidden');      row.addClassName('children-visible');      this.persistExpanded(row);    }  },
meta: 7704	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7704/307f9f1d8e512060d682e4c62f2c28e9b403fc4b/frog.js/buggy/admin/javascripts/frog.js