function swap(name, image) {
	document.getElementById(name).src = image;
}
function hideAll() {
	for (i = 0; i<6; i++)
	{
		if (document.getElementById("msg"+i)) {
			document.getElementById("msg"+i).style.display = 'none';
		}
	}
}
function msg(id){
	hideAll();
	if (document.getElementById(id)) {
		document.getElementById(id).style.display = 'block';
	}
}

window.onload=show;
function show(id) {
var menu = document.getElementById(id);
	for (var i = 1; i<=10; i++) {
		if (document.getElementById('smenu'+i)) {document.getElementById('smenu'+i).style.display='none';}
	}
if (menu) {menu.style.display='block';}
}