var overSbox = 0;
var maxSbox = 1;

function setSbox()
{
	while (document.getElementById("sbox" + maxSbox))
	{
		document.getElementById("sbox" + maxSbox).className = "sboxJS";
		++maxSbox;
	}
	document.onclick = openCloseSbox;
}

function openCloseSbox()
{
	for (var numSbox = 1; numSbox < maxSbox; ++numSbox)
	{
		var sbox = document.getElementById("sbox" + numSbox);
		if (sbox.className == "sboxJS" && overSbox == numSbox)
		{
			sbox.className = "sboxCSS";
			sbox.style.display = "block";
		}
		else
		{
			sbox.className = "sboxJS";
			sbox.style.display = "none";
		}
	}
}