rem: callback=context[callback]; 
add: callback = context[callback]; 
context: 	dojo._fireCallback = function(callback, context, cbArguments){		if((context)&&((typeof callback == "string")||(callback instanceof String))){			callback=context[callback];		}		return (context ? callback.apply(context, cbArguments || [ ]) : callback());	}
meta: 4497	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4497/44536367f321d7b97eafd67c4552cce1e020c9d4/hostenv_browser.js/buggy/_base/_loader/hostenv_browser.js