rem: return new Iterator(this); 
add: return new Log4js.Iterator(this); 
context: 	iterator: function (){		return new Iterator(this);		},
meta: 8932	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8932/f526bb9863fd46c554c216bca02d40198da13e02/log4js.js/buggy/trunk/src/js/log4js.js