function hideDiv() {
	window.scrollTo(0,0);
	document.getElementById('overlay').style.display = 'none';
	document.getElementById('payment').style.display = 'none';
	}
	
	function showDiv() {
	window.scrollTo(0,0);
	
	document.getElementById('overlay').style.display = 'block';
	document.getElementById('payment').style.display = 'block';
	return false;
	}