묻고답하기

<script language="JavaScript"><!--
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-1; 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;
  }
}

// -->
</script>
</head>

<body bgcolor="white" background="C:bohaeimagesmain-bg-k.gif" text="black" link="blue" vlink="purple" alink="red" onLoad="MM_preloadImages('+ '+ 'images/movie-1.gif');na_preload_img(false, 'images/english-r.gif');">




<script language="JavaScript">
<!--
<!--




// -->

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_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];}
}
//-->
</script><script language="javascript">
//  window.open("popup2.htm","","left=100 top=100 width=270 height=273")
  </script>
<script language="JavaScript">
function ReadCookie(name)
{
var label = name + "=" ;
var labelLen = label.length ;
var cLen = document.cookie.length
var i = 0
while (i < cLen){
var j = i + labelLen
if (document.cookie.substring(i,j) == label) {
var cEnd = document.cookie.indexOf(";",j)
if (cEnd == -1){
cEnd = document.cookie.length
}
return unescape(document.cookie.substring(j,cEnd))
}
i++
}
return ""
}

function popup()
{ var ck = ReadCookie( 'popup' );
if ( ck == '1' )
return;
window.open("cgi-bin/notice.cgi","notice","toolbar=no, width=400,height=165");
}

<!--






// -->
</script>

<script language="JavaScript">
<!--
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;
  }
}

// -->
</script>

홈페이지를 만들어야 해서, 여기저기 홈페이지를 둘러보고 있거든요.
그러다가 제가 만들어야 하는 홈페이지와 같은종류의 컨텐츠를 가지고 있는
홈페이지에 들어가게 되서 살짝 소스를 봤는데요.
도대체 이게 뭐에 관한 스크립트인건지,
이것저것 두드려봐도 전혀 모르겠습니다.
좀 알려주세요.