rem: var tree = document.getElementById('moduleList'); if ( tree && tree.selectedItems && (tree.selectedItems.length == 1) ) 
add: var listbox = document.getElementById('moduleList'); if ( listbox && listbox.selectedItems && (listbox.selectedItems.length == 1) ) 
context: function ImportSelectionChanged(){  var tree = document.getElementById('moduleList');  if ( tree && tree.selectedItems && (tree.selectedItems.length == 1) )  {    var index = tree.selectedItems[0].getAttribute('list-index');    SetDivText('description', top.importService.GetModuleDescription(top.importType, index));  }}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d38a0937d9c93a0a9d913e2ac781e4328bb8cc73/importDialog.js/buggy/mailnews/import/resources/content/importDialog.js