rem: function createInstanceById( cid, iidName ) { var iid = eval( "Components.interfaces." + iidName ); return Components.classesByID[ cid ].createInstance( iid ); } 
add: function createInstanceById( cid, iidName ) { var iid = eval( "Components.interfaces." + iidName ); return Components.classesByID[ cid ].createInstance( iid ); } 
context:   function createInstanceById( cid, iidName ) {      var iid = eval( "Components.interfaces." + iidName );      return Components.classesByID[ cid ].createInstance( iid );  }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/3d363f06d4daaea6dcec5a9887c44e56f151fad4/navigator.js/clean/xpfe/browser/resources/content/navigator.js