function setBGColor(rgb)
{
	document.body.style.backgroundColor = "#" + rgb.toString(16);
	document.getElementById("side2").style.backgroundColor = "#" + rgb.toString(16);
}

function showUserShift()
{
	document.shiftuser.submit();
}


var zoomFlag = false;
function zoom()
{
	var str = "";
	var obj = document.getElementsByTagName("object").namedItem("numtra2_00");
	if (!obj)
	{
		obj = document.getElementsByTagName("embed").namedItem("numtra2_00");
	}
	if (zoomFlag)
	{
		obj.getAttributeNode("width").value = 640;
		obj.getAttributeNode("height").value = 480;
		str = "拡大版";
		zoomFlag = false;
	}
	else
	{
		obj.getAttributeNode("width").value = 960;
		obj.getAttributeNode("height").value = 720;
		str = "通常版";
		zoomFlag = true;
	}
	if (typeof document.getElementById("zoom").textContent != "undefined")
	{
		document.getElementById("zoom").textContent = str;
	}
	else
	{
		document.getElementById("zoom").innerText = str;
	}
}