function showMenu(n) {
	var i;
	var totalItems=8;
	if (document.getElementById('menu'+n).style.display=='none') {
		for (i=1; i<n; i++) {
			document.getElementById('menu'+i).style.display='none';
		}
		document.getElementById('menu'+n).style.display='block';
		for (i=n+1; i<totalItems+1; i++) {
			document.getElementById('menu'+i).style.display='none';
			}
		} 
	else {
		document.getElementById('menu'+n).style.display='none';
	}
}

function select(f) {
	var i;
	var totalItems=8;
			for (i=1; i<=totalItems; i++) {
			document.getElementById(i).style.background='transparent url(images/square.gif) no-repeat scroll right 16px';
			}
document.getElementById(f).style.background='transparent url(images/square-over.gif) no-repeat scroll right 16px';	
}