rem: return (elem.parentNode[childNodesName][ncount-1] === elem); 
add: return ((getNodeIndex(elem) % pred) == idx); 
context: 				return function(elem){					return (elem.parentNode[childNodesName][ncount-1] === elem);				}
meta: 4497	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4497/8e9d92fba05a05264be6e5994332e5427079a9b6/query.js/clean/_base/query.js