loadImg01 = new Image(85, 22)
loadImg01.src = "./images/btop0401_on.gif"
loadImg02 = new Image(105, 22)
loadImg02.src = "./images/btop0502_on.gif"
loadImg03a = new Image(104, 22)
loadImg03a.src = "./images/btop0503_on.gif"
loadImg03b = new Image(104, 22)
loadImg03b.src = "./images/btop0602_on.gif"
loadImg04a = new Image(110, 22)
loadImg04a.src = "./images/btop0404_on.gif"
loadImg04b = new Image(110, 22)
loadImg04b.src = "./images/btop0504_on.gif"

button01on = new Image(85, 22);button01on.src = "./images/btop0401_on.gif";
button01off = new Image(85, 22);button01off.src = "./images/btop0401.gif";
button02on = new Image(105, 22);button02on.src = "./images/btop0502_on.gif";
button02off = new Image(105, 22);button02off.src = "./images/btop0502.gif";
button03aon = new Image(104, 22);button03aon.src = "./images/btop0503_on.gif";
button03aoff = new Image(104, 22);button03aoff.src = "./images/btop0503.gif";
button03bon = new Image(104, 22);button03bon.src = "./images/btop0602_on.gif";
button03boff = new Image(104, 22);button03boff.src = "./images/btop0602.gif";
button04aon = new Image(110, 22);button04aon.src = "./images/btop0404_on.gif";
button04aoff = new Image(110, 22);button04aoff.src = "./images/btop0404.gif";
button04bon = new Image(110, 22);button04bon.src = "./images/btop0504_on.gif";
button04boff = new Image(110, 22);button04boff.src = "./images/btop0504.gif";

function img_act(imgName)
	{
		imgOn = eval(imgName + "on.src");
		document [imgName].src = imgOn;
	}

function img_inact(imgName)
	{
		imgOff = eval(imgName + "off.src");
		document [imgName].src = imgOff;
	}

function img_act2(imgName1, imgName2)
	{
		imgOn1 = eval(imgName1 + "on.src");
		imgOn2 = eval(imgName2 + "on.src");
		document [imgName1].src = imgOn1;
		document [imgName2].src = imgOn2;
	}

function img_inact2(imgName1, imgName2)
	{
		imgOff1 = eval(imgName1 + "off.src");
		imgOff2 = eval(imgName2 + "off.src");
		document [imgName1].src = imgOff1;
		document [imgName2].src = imgOff2;
	}