function showSubmenu(name) {
	document.getElementById('sub_about').style.visibility = 'hidden';
	document.getElementById('sub_contact').style.visibility = 'hidden';
	if (name != '')
		document.getElementById(name).style.visibility = 'visible';
}

function doHover(name) {
	var i;
	var el;

	for (i = 1; i < 6; i++) {
		el = document.getElementById("top" + i);
		el.style.background = 'rgb(22, 4, 99)';
		el.style.fontWeight = 'bold';
		el.style.color = 'rgb(140, 132, 215)';
		el = document.getElementById("mmtop" + i);
		el.style.fontDecoration = 'overline';
		el.style.color = 'rgb(140, 132, 215)';
	}

	if (name != '') {
		el = document.getElementById("top" + name);
		el.style.background = 'rgb(50, 122, 231)';
		el.style.fontWeight = 'normal';
		el.style.color = 'black';
	}
}