onload = resortList;

function resortList() {
	var unstyled = document.getElementById("unstyled");
	var unstyledItems = unstyled.getElementsByTagName("li");
	var n = unstyledItems.length;
		for (var i=0; i<n-1; i++){
			var second = Math.round((unstyledItems.length/3)-1);
			var third = Math.round((2*(unstyledItems.length/3))-2);
			
			document.getElementById("newList").appendChild(unstyledItems[0]);
			document.getElementById("newList").appendChild(unstyledItems[second]);
			document.getElementById("newList").appendChild(unstyledItems[third]);
		}
		var ulParent = unstyled.parentNode;
		ulParent.removeChild(unstyled);
}