rem: function createInstance( progid, iidName ) { var iid = eval( "Components.interfaces." + iidName ); return Components.classes[ progid ].createInstance( iid ); } 
add: function createInstance( progid, iidName ) { var iid = eval( "Components.interfaces." + iidName ); return Components.classes[ progid ].createInstance( iid ); } 
context:   function createInstance( progid, iidName ) {      var iid = eval( "Components.interfaces." + iidName );      return Components.classes[ progid ].createInstance( iid );  }
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d46106418588bec5ed4354933e11d332b81439bb/navigator.js/buggy/suite/browser/navigator.js