
//top버튼 롤링
var bNetscape4plus = (navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) >= "4");
var bExplorer4plus = (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,1) >= "4");

function CheckUIElements()
{
var yMenuFrom, yMenuTo, yButtonFrom, yButtonTo, yOffset, timeoutNextCheck;

if ( bNetscape4plus ) { // 네츠케이프 용 설정
yMenuFrom = document["divMenu"].top;
yMenuTo = top.pageYOffset + 100; // 위쪽 위치
}
else if ( bExplorer4plus ) { // IE 용 설정
yMenuFrom = parseInt (divMenu.style.top, 10); //위에서 내려오는 위치
yMenuTo = document.body.scrollTop + 380; // 위쪽 위치
}

timeoutNextCheck = 500;

if ( Math.abs (yButtonFrom - (yMenuTo + 152)) < 6 && yButtonTo < yButtonFrom ) {
setTimeout ("CheckUIElements()", timeoutNextCheck);
return;
}


if ( yButtonFrom != yButtonTo ) {
yOffset = Math.ceil( Math.abs( yButtonTo - yButtonFrom ) / 10 );
if ( yButtonTo < yButtonFrom )
yOffset = -yOffset;

if ( bNetscape4plus )
document["divLinkButton"].top += yOffset;
else if ( bExplorer4plus )
divLinkButton.style.top = parseInt (divLinkButton.style.top, 10) + yOffset;

timeoutNextCheck = 10;
}
if ( yMenuFrom != yMenuTo ) {
yOffset = Math.ceil( Math.abs( yMenuTo - yMenuFrom ) / 20 );
if ( yMenuTo < yMenuFrom )
yOffset = -yOffset;

if ( bNetscape4plus )
document["divMenu"].top += yOffset;
else if ( bExplorer4plus )
divMenu.style.top = parseInt (divMenu.style.top, 10) + yOffset;

timeoutNextCheck = 10;
}

setTimeout ("CheckUIElements()", timeoutNextCheck);
}
function OnLoad()
{
var y;

// 프레임 에서 벗어나게 하는 함수입니다. 프레임에 넣으려면 삭제하세요
if ( top.frames.length )
// top.location.href = self.location.href;

// 페에지 로딩시 포지션
if ( bNetscape4plus ) {
document["divMenu"].top = top.pageYOffset + 100;
document["divMenu"].visibility = "visible";
}
else if ( bExplorer4plus ) {
divMenu.style.top = document.body.scrollTop + 100;
divMenu.style.visibility = "visible";
}

CheckUIElements();
return true;
}

function MM_findObj(n, d) { //v4.0
  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);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  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 na_restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}

function na_preload_img()
{ 
  var img_list = na_preload_img.arguments;
  if (document.preloadlist == null) 
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length; i++) {
    document.preloadlist[top+i]     = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  } 
}

function na_change_img_src(name, nsdoc, rpath, preload)
{ 
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}

// 해상도에 관계없이 화면 중앙에 새창 띄우기
function CenterWin(url,winname,features) {
	features = features.toLowerCase(); 
	len = features.length; 
	sumchar= ""; 
	
	 // 빈칸 제거
	for (i=1; i <= len; i++) { 
		onechar = features.substr(i-1, 1);
		if (onechar != " ") sumchar += onechar;
	}
	
	features = sumchar; 
	sp = new Array(); 
	sp = features.split(',', 10); // 배열에 옵션을 분리해서 입력 
	splen = sp.length; // 배열 갯수 
	
	// width, height 값을 구하기 위한 부분 
	for (i=0; i < splen; i++) { 
		if (sp[i].indexOf("width=") == 0) // width 값일때 
		{ 
			width = Number(sp[i].substring(6)); 
		} else if (sp[i].indexOf("height=") == 0) // height 값일때 
		{ 
			height = Number(sp[i].substring(7)); 
		}
	} 
	
	sleft = (screen.width - width) / 2; 
	stop = (screen.height - height) / 2; 
	features = features + ",left=" + sleft + ",top=" + stop; 
	popwin = window.open(url,winname,features); 
}

//화면 중앙에 새창 띄우기
function centerOpenWindow(url, windowname, nWidth, nHeight, sStatus, sMenubar, sScrollbar, sToolbar){
 var nLeft, nTop
 var settings = "" ;
 var oWin ;

 nLeft = (screen.availWidth - nWidth)/2;
// nTop = (screen.availHeight - nHeight)/2;
 nTop = 0;
    
 settings += "height=" + nHeight ;
 settings += ", width=" + nWidth ;
 settings += ", top=" + nTop;
 settings += ", left=" + nLeft;
 if(sStatus != undefined){
  settings += ", status=" + sStatus ;
 }
 if(sMenubar != undefined){
  settings += ", menubar=" + sMenubar ;
 }
 if(sScrollbar != undefined){
  settings += ", scrollbars=" + sScrollbar ;
 }
 if(sToolbar != undefined){ 
  settings += ", toolbar=" + sToolbar ;
 }
 
 oWin = window.open(url, windowname, settings) ;
 
 return oWin
}