rem: var iid = eval( "Components.interfaces." + iidName ); 
add: var iid = Components.interfaces[iidName]; 
context:   function createInstance( progid, iidName ) {      var iid = eval( "Components.interfaces." + iidName );      return Components.classes[ progid ].createInstance( iid );  }
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/060e388a6b3bde8585fd97bfbfdbd7029e29cb96/navigator.js/clean/xpfe/browser/resources/content/navigator.js