rem: if (nocheck || l < 2) return $extend(elements, this); 
add: if (nocheck || !l) return $extend(elements, this); 
context: var Elements = function(elements, nocheck){	elements = elements || [];	var l = elements.length;	if (nocheck || l < 2) return $extend(elements, this);	var uniques = {};	var returned = [];	for (var i = 0; i < l; i++){		var el = $(elements[i]);		if (!el || uniques[el.$attributes.uid]) continue;		uniques[el.$attributes.uid] = true;		returned.push(el);	}	return $extend(returned, this);};
meta: 7052	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7052/7acd22e79e701c2d1dc4a24a7bf68f74c6853c18/Element.js/buggy/Element/Element.js