function cell_hover(id) {
	document.getElementById(id).style.backgroundColor = "green";
	//document.body.style.cursor = "pointer";
}

function cell_leave(id) {
	document.getElementById(id).style.backgroundColor = "transparent";
	//document.body.style.cursor = "default";
}

function go_home() {
	window.location = 'index.php';
}

function go_order() {
	window.location = 'order.php';
}

function go_mail() {
	window.location = 'mail.php';
}