function showhide(id) {
	el = document.getElementById(id);
	if (el.style.display != 'none') {
		el.style.display = 'none';
	} else {
		el.style.display = 'block';
	}
}

function printPage() {
	if (window.print) {
		window.print();
	} else {
		alert("Sorry, your browser doesn't support this feature.");
	}
}