add: javascriptEnabledChange() 
context: function Startup(){  policyButton = document.getElementById("popupPolicy");  manageTree = document.getElementById("permissionsTree");  togglePermissionEnabling();  loadPermissions();    var imagesEnabled = document.getElementById("enableImages").checked;  var imageBroadcaster = document.getElementById("imageBroadcaster");  imageBroadcaster.setAttribute("disabled", !imagesEnabled);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/9c3b9e0612ea69c1ec36b55a83ce6a7d09d39652/pref-features.js/clean/browser/components/prefwindow/content/pref-features.js