function switchTube(nDiv)
{
	if (nDiv==1)
	{
		document.getElementById("yD1").style.display = "block";
		document.getElementById("yD2").style.display = "none";
		document.getElementById("yD3").style.display = "none";
	}
	if (nDiv==2)
	{
		document.getElementById("yD1").style.display = "none";
		document.getElementById("yD2").style.display = "block";
		document.getElementById("yD3").style.display = "none";
	}
	if (nDiv==3)
	{
		document.getElementById("yD1").style.display = "none";
		document.getElementById("yD2").style.display = "none";
		document.getElementById("yD3").style.display = "block";
	}
}

function switchStick(nDiv)
{
	if (nDiv==1)
	{
		document.getElementById("sD1").style.display = "block";
		document.getElementById("sD2").style.display = "none";
	}
	if (nDiv==2)
	{
		document.getElementById("sD1").style.display = "none";
		document.getElementById("sD2").style.display = "block";
	}
}