rem: if (element) elements.push(element); 
add: if (element && !element.$included){ element.$included = true; elements.push(element); } 
context: $$.unique = function(array){	var elements = [];	for (var i = 0, l = array.length; i < l; i++){		if (array[i].$included) continue;		array[i].$included = true;		var element = $(array[i]);		if (element) elements.push(element);	}	for (var i = 0, l = elements.length; i < l; i++) elements[i].$included = null;	return $extend(elements, new Elements);};
meta: 9980	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9980/7d2be10b3af4ab12969bb1bf312d807abdba985b/Element.js/clean/Native/Element.js