rem: if (!parent) return false; 
add: if (!parent) return null; 
context: 	getElementById: function(id){		var el = document.getElementById(id);		if (!el) return false;		for (var parent = el.parentNode; parent != this; parent = parent.parentNode){			if (!parent) return false;		}		return el;	}
meta: 7052	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7052/65a9f70d359930b4cfdd505d1447cd6f11210b7e/Element.Selectors.js/buggy/Element/Element.Selectors.js