function vs(item)
{
	var i = 0;
	var a1 = '';
	var a2 = '';

	for (i = 2; i <= 4; i ++) {
		a1 = document.getElementById('s' + i);
		a2 = document.getElementById('n' + i);
		if (item != i) {
			a1.style.display = 'none';
			a2.className = '';
		} else {
			a1.style.display = 'block';
			a2.className = 'selected';
		}
	}

	for (i = 1; i <= 5; i ++) {
		a2 = document.getElementById('n' + i);
		if (item != i) {
			a2.className = '';
		} else {
			a2.className = 'selected';
		}
	}

	return false;
}


function wi(url, width, height)
{
	width += 50; height += 50;
	window.open(url, 'foto', 'width='+width+', height='+height+', toolbar=no, location=no, resizable=yes, scrollbars=yes, top=100, left=100');
	return false; 
}

function w(url)
{
    window.open(url, "page", "menubar=yes, location=yes, status=yes, toolbar=no, scrollbars=yes, resizable=yes");
    return false;
}