walk: function(direction, start){ var el = (start) ? this[start] : this; do el = el[direction + 'Sibling']; while ($type(el) == 'whitespace'); 
walk: function(brother, start){ brother += 'Sibling'; var el = (start) ? this[start] : this[brother]; while ($type(el) == 'whitespace') el = el[brother]; 
	walk: function(direction, start){		var el = (start) ? this[start] : this;		do el = el[direction + 'Sibling'];		while ($type(el) == 'whitespace');		return $(el);	},
7087	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7087/dc6ed814537ffebb2a0a0bd86bd5a953916cf8e3/Element.js/clean/Native/Element.js