function sortby(id) {
	var sortList = document.getElementById(id);

	var dateList = document.getElementById("date");
	var alphaList = document.getElementById("alpha");
	var paymentList = document.getElementById("payment");

	dateList.style.display = 'none';
	alphaList.style.display = 'none';
	paymentList.style.display = 'none';

	sortList.style.display = 'block';
	}