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_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

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; }
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
window.open(theURL,winName,features);
}

// FAQ, Related Links ÀÚ¹Ùó¸®

var preNum;
var flag=1;
function changeLayer(sNum)
{
	if(sNum==preNum && flag==1){
		//alert('a');
		temp = eval("document.all."+sNum);
		if(temp){
			temp.style.display='none';
			flag=0;
		}
	}
	else if(sNum==preNum && flag==0){
		//alert('b');
		temp = eval("document.all."+sNum);
		if(temp){
			temp.style.display='';
			flag=1;
		}
	}
	else if(sNum!=preNum){
		//alert('c');
		temp = eval("document.all."+preNum);
		if(temp)
			temp.style.display='none';

		temp1 = eval("document.all."+sNum);
		if(temp1)
			temp1.style.display='';
		flag=1;


	}
	preNum=sNum;


}

//  ¿À¸¥ÂÊ Quick Menu 

var menuTopMargin = -80; // ¸Þ´º½ºÅ©·Ñ ½ÃÀÛ ¿©¹é
var menuSpeed = 5;
var timerSpeed = 100;
var timerSpeed2 = 5;
var timer;
var heightLimit = 0;

function checkMenu() {
	if(document.body.offsetHeight > heightLimit) {
		var reTimer = timerSpeed;
		var startPoint = parseInt(document.all.sMenu.style.top,10);
		var endPoint = document.body.scrollTop;
		endPoint = (menuTopMargin <= endPoint ) ? endPoint - menuTopMargin : 0;
		if(startPoint != endPoint) {
			moveAmount = Math.ceil(Math.abs(endPoint - startPoint) / 15);
			document.all.sMenu.style.top = parseInt(document.all.sMenu.style.top,10) + ((endPoint<startPoint) ? -moveAmount : moveAmount);
			reTimer = timerSpeed2;
		}
	} else document.all.sMenu.style.top = 0;
	timer = setTimeout("checkMenu();",reTimer);
}

function initMenu() {
	if(document.body.offsetHeight > heightLimit) document.all.sMenu.style.top = document.body.scrollTop;
	checkMenu();
}