rem: return obj.detachEvent( "on" + event, proc ); 
add: var i = "on" + event + "hdl"; var proc = obj[ i ][ proc ];  if( proc != undefined ) { obj[ i ][ proc ] = undefined; return obj.detachEvent( "on" + event, proc ); } 
context:    hop_remove_event_listener = function( obj, event, proc, capture ) {      return obj.detachEvent( "on" + event, proc );   }
meta: 4636	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4636/a6ed8e1dacfac579593af3fc5dd75eae78ef2b2f/hop-autoconf.js/clean/share/hop-autoconf.js