add:   this.pagePrefChanged = false;  this.pagePrefUpdated = [];  
context: function nsPrefWindow( frame_id ){  if ( !frame_id )    throw "Error: frame_id not supplied!";  this.contentFrame   = frame_id  this.wsm            = new nsWidgetStateManager( frame_id );  this.wsm.attributes = ["preftype", "prefstring", "prefattribute", "disabled"];  this.pref           = null;  this.chromeRegistry = null;  this.observerService= null;    this.cancelHandlers = [];  this.okHandlers     = [];        // set up window  this.onload();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/fb2d2f7d0bd5045cb16efbf2a4b507345d5fc868/nsPrefWindow.js/buggy/xpfe/components/prefwindow/resources/content/nsPrefWindow.js