function MM_findObj(n, d) { //v3.0
	var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}
function MM_swapImgRestore() { //v3.0
	var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_swapImage() { //v3.0
	var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
	if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function tabmnu_layer(no,total,lname) {
	if (no == "") no = "01";

	for(var i=1;i <= total;i++){
	var tlayer = eval("document.all."+lname+"0"+i);
	tlayer.style.display = 'none';
	}
	
	eval("document.all."+lname+no+".style.display = 'block';");
}


// ¸Þ´º ·¹À̾î
function on_layer(layer_name) {
	document.all[layer_name].style.visibility="visible";
}
function off_layer(layer_name) {
	document.all[layer_name].style.visibility="hidden";
}


/* ¸ÞÀÎ »ó´Ü ºñÁÖ¾ó ¹è³Ê */
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}


/* ž ¸Þ´º */
var tmnu = new Array("","home","msg","phonshow","mailtba","starletter");
var tmnu_total = tmnu.length - 1;

function tmnu_on(xname,yname) { //x:·Ñ¿À¹ö¸Þ´º, y:ÇöÀç¼±Åø޴º
	if(xname != yname){
		for(var i=1;i <= tmnu_total;i++){
			if(tmnu[i] == xname) var x=i;
			if(tmnu[i] == yname) var y=i;
		}

		var z01 = x + 1;
		var z02 = y +1;

		if(yname != 0) {
			yimg = eval("document.all.tmi_"+yname);
			yimg.src = "../images/layout/tmnu_"+yname+"_off.gif";
			if(y!=1) {
				if(z01!=y) eval("document.all.tm_"+yname).className = "tmnu";
			}
			if(y != tmnu_total) {
				if(z02!=x) eval("document.all.tm_"+tmnu[z02]).className = "tmnu";
			}
			eval("document.all.sub_tm_"+yname).style.visibility = "hidden"; /* top sub menu */
		}
		
		ximg = eval("document.all.tmi_"+xname);
		ximg.src = "../images/layout/tmnu_"+xname+"_on.gif";
		if(x!=1) eval("document.all.tm_"+xname).className = "tmnu_on";
		if(x != tmnu_total)  eval("document.all.tm_"+tmnu[z01]).className = "tmnu_on";
		eval("document.all.sub_tm_"+xname).style.visibility = "visible"; /* top sub menu */
	}
}

function tmnu_off(xname,yname) { //x:·Ñ¿À¹ö¸Þ´º, y:ÇöÀç¼±Åø޴º
	if(xname != yname){
		for(var i=1;i <= tmnu_total;i++){
			if(tmnu[i] == xname) var x=i;
			if(tmnu[i] == yname) var y=i;
		}

		var z01 = x +1;
		var z02 = y +1;

		ximg = eval("document.all.tmi_"+xname);
		ximg.src = "../images/layout/tmnu_"+xname+"_off.gif";
		if(x!=1) eval("document.all.tm_"+xname).className = "tmnu";
		if(x != tmnu_total) eval("document.all.tm_"+tmnu[z01]).className = "tmnu";
		eval("document.all.sub_tm_"+xname).style.visibility = "hidden"; /* top sub menu */

		if(yname != 0) {
			yimg = eval("document.all.tmi_"+yname);
			yimg.src = "../images/layout/tmnu_"+yname+"_on.gif";
			if(y!=1) eval("document.all.tm_"+yname).className = "tmnu_on";
			if(y != tmnu_total) eval("document.all.tm_"+tmnu[z02]).className = "tmnu_on";
			eval("document.all.sub_tm_"+yname).style.visibility = "visible"; /* top sub menu */
		}
	}
}

function alpha() {
    var Alpha = 60;
    obj = document.getElementById("body_disabled");
    obj.style.filter = "alpha(opacity=" + Alpha + ")"; // IE/Win
    obj.style.KhtmlOpacity = (Alpha / 100);            // Safari 1.1 or lower, Konqueror
    obj.style.MozOpacity = (Alpha / 100);              // Older Mozilla+Firefox*/
}

/* Ŭ¸¯½Ã À̹ÌÁöÁ¦¾î */
function clearImg(img){
	img.style.backgroundImage = "";
	img.onkeydown = img.onmousedown = null;
}