/* SCRIPT TO MAKE POPUPS APPEAR AND DISAPPEAR ON CLICK */


	window.onload = function() {
		if (document.getElementById("popupbutton")) {
			var popupbutton = document.getElementById("popupbutton");
			var popupcontainer = document.getElementById("popupcontainer");
			popupbutton.onclick = function() {
				popupcontainer.style.display = 'block';
			}
			popupcontainer.onclick = function() {
				this.style.display = 'none';
			}
		}
	}