var NS4;
var IE4;
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) version = "n3";
else version = "n2";
if (browserVer >= 4) version = "n3"

if (version == "n3") {

// onmouseover
	menu01on = new Image();
	menu01on.src = "../img/m_01_spot.gif";
	menu02on = new Image();
	menu02on.src = "../img/m_02_spot.gif";
	menu03on = new Image();
	menu03on.src = "../img/m_03_spot.gif";
	menu04on = new Image();
	menu04on.src = "../img/m_04_spot.gif";
	menu05on = new Image();
	menu05on.src = "../img/m_05_spot.gif";
	
// onmouseout
	menu01off = new Image();
	menu01off.src = "../img/m_01.gif";
	menu02off = new Image();
	menu02off.src = "../img/m_02.gif";
	menu03off = new Image();
	menu03off.src = "../img/m_03.gif";
	menu04off = new Image();
	menu04off.src = "../img/m_04.gif";
	menu05off = new Image();
	menu05off.src = "../img/m_05.gif";

}                       
                        
function img1_act(imgName) {
	if (version == "n3") {
		tocimgOn = eval(imgName + "on.src");
		document [imgName].src = tocimgOn;
	}
}

function img1_inact(imgName) {
	if (version == "n3") {
		tocimgoff = eval(imgName + "off.src");
		document [imgName].src = tocimgoff;
	}
}


//	function showAct(¹Ù²ðÀ̹ÌÁö, À̹ÌÁöÀÚ¸®) {
function showAct(imgName, imgOn) {
	if (version == "n3") {
		tocimgOn = eval(imgName + "on.src");
		document [imgOn].src = tocimgOn;
	}
}


//	function hideAct(¹Ù²ðÀ̹ÌÁö, À̹ÌÁöÀÚ¸®) {
function hideAct(imgName, imgOff) {
	if (version == "n3") {
		tocimgoff = eval(imgName + "off.src");
		document [imgOff].src = tocimgoff;
	}
}