(function () {
	var elems = document.getElementsByTagName("*");
	for (var i = 0, j = 0; i < elems.length; i++) {
		if (elems[i].id == "name") {
			if (++j % 5 === 4) {
				var div = document.createElement("DIV");
				div.id = "foo";
				elems[i].parentNode.insertBefore(elems[i], elems[i].nextSibling);
			}
		}
	}
})();