function na_restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName == 'Netscape') ? 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 == 'Netscape') ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}

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_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 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_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
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_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}


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



function nonregister() { //v2.0
  alert("まずログインをして下さい。会員IDがない方は会員登録が必要です");
  return false;
 }

function nonadmin() { //v2.0
  alert("まず管理者ログインをして下さい。管理者のみ入られます");
  return false;
 }

function currenturl() { 
    var currenturl = document.URL;
    document.loginform.currenturl.value = currenturl;
}


 function del_alert(newurl) {
 	var c_n;
	c_n = confirm("정말로 삭제하시겠습니까? 차후에 큰 문제가 생길수 있습니다.");
	if(c_n) {
		document.location = newurl;
	} 
	
 }

function eScroll()
{	
	
	var thisObj = this;
	this.timeObj = null;
	
	/*** 설정변수 ***/
	this.mode = "top";				// 스크롤 방향 (top|left)
	this.width = "100%";			// 라인당 가로값 (pixel)
	this.height = 20;				// 라인당 높이값 (pixel)
	this.line = 1;					// 출력 라인수
	this.delay = 150;				// 스크롤후 딜레이 시간
	this.speed = 1;					// 스크롤 속도 (작을수록 빠름)
	this.id = 'obj_eScroll';		// 객체 id (클래스 다중 사용시 id 다르게 지정 요망)
	this.contents = new Array();	// 출력 내용 (배열로 내용 지정 요망)
	this.align = "left";			// 내용 aligne
	this.valign = "middle";			// 내용 valigne

	/*** 내장변수 ***/
	this.gap = 0;
	this.direction = 1;

	this.add = add;
	this.exec = exec;
	this.start = start;
	this.stop = stop;
	this.scroll = scroll;
	this.direct = direct;
	this.go = go;

	function add(str)
	{
		this.contents[this.contents.length] = str;
	}
	
	function exec()
	{
		this.basis = (this.mode == "left") ? this.width : this.height;
		var outWidth = this.width * ((this.mode == "left") ? this.line : 1);
		var outHeight = this.height * ((this.mode == "top") ? this.line : 1);
		
		var outline = "<div id=" + this.id + " style='overflow:hidden;width:" + outWidth + ";height:" + outHeight + "'><table></table></div>";
		document.write(outline);
		this.obj = document.getElementById(this.id);
		
		var tb = this.obj.appendChild(document.createElement("table"));
		var tbody = tb.appendChild(document.createElement("tbody"));
		tb.cellPadding = 0 ;
		tb.cellSpacing = 0 ;
		tb.onmouseover = function(){thisObj.stop()};
		tb.onmouseout = function(){thisObj.start()};
		
		if (this.mode=="left") var tr = tbody.appendChild(document.createElement("tr"));
		for (k in this.contents){
			if (this.mode=="top") var tr = tbody.appendChild(document.createElement("tr"));
			var td = tr.appendChild(document.createElement("td"));
			td.noWrap = true;
			td.style.width = this.width;
			td.style.height = this.height;
			td.style.textAlign = this.align;
			td.style.verticalAlign = this.valign;
			td.innerHTML = this.contents[k];
		}
		
		var len = (this.contents.length<this.line) ? this.contents.length : this.line;
		for (i=0;i<len;i++){
			if (this.mode=="top") var tr = tbody.appendChild(document.createElement("tr"));
			td = tr.appendChild(document.createElement("td"));
			td.noWrap = true;
			td.style.width = this.width;
			td.style.height = this.height;
			td.style.textAlign = this.align;
			td.style.verticalAlign = this.valign;
			td.innerHTML = this.contents[i];
		}

		this.obj.parent = this;
		this.tpoint = this.basis * this.contents.length;
		this.start();
	}

	function scroll()
	{
		var out = (this.mode=="left") ? this.obj.scrollLeft : this.obj.scrollTop;
		if (out%this.basis==0){
			this.gap++;
			if (this.gap>=this.delay) this.gap = 0;
		}
		if (!this.gap){
			var ret = (out==this.tpoint) ? this.direction : out + this.direction;
			if (ret<0) ret = this.tpoint + ret;
			if (this.mode=="left") this.obj.scrollLeft = ret;
			else this.obj.scrollTop = ret;
		}
	}

	function start()
	{
		this.timeObj = window.setInterval("(document.getElementById('" + this.id + "')).parent.scroll()",this.speed);
	}

	function stop()
	{
		clearTimeout(this.timeObj);
	}

	function direct(d)
	{
		this.direction = d;
	}

	function go()
	{
		this.stop();
		var out = (this.mode=="left") ? this.obj.scrollLeft : this.obj.scrollTop;
		var ret = (parseInt(out / this.basis) + this.direction) * this.basis;
		if (ret<0) ret = this.tpoint + ret;
		if (ret>this.tpoint) ret = this.basis;
		if (this.mode=="left") this.obj.scrollLeft = ret;
		else this.obj.scrollTop = ret;
	}

}