rem: window.close(); 
add: return true; 
context: function onCancel(){  if (top.okCallback)    top.okCallback();  window.close();}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/71e1ffab7041d706ecdcfdbf01b42232fdf44f36/FilterEditor.js/clean/mailnews/base/search/resources/content/FilterEditor.js