function bt(id,after) 
{ 
eval(id+'.filters.blendTrans.stop();'); 
eval(id+'.filters.blendTrans.Apply();'); 
eval(id+'.src="'+after+'";'); 
eval(id+'.filters.blendTrans.Play();'); 
}

function hide_layer(id)
{
  if (document.layers)
    document.layers[id].visibility = 'hide'    
  if(document.all)
    document.all(id).style.visibility = 'hidden' 
}

function show_layer(id)
{
  if(document.layers)
    document.layers[id].visibility = 'show'   
  if(document.all)
    document.all(id).style.visibility = 'visible' 
}

<!--
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) { //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_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];}
}
//-->

/* ZoomÇϸ鼭 ³ªÅ¸³ª´Â Æ˾÷â */
var maxW,maxH,fromX,fromY,toX,toY,adjX,adjY,zBox,zStep=0,zLink,zNew;
function zoomBox(evt,zlink,maxw,maxh,tox,toy) {
        if (arguments.length > 2)        {
                zNew=1;
        }
        scrollH = (window.pageYOffset!=null)?window.pageYOffset:document.body.scrollTop;
        maxW = maxw?maxw:window.innerWidth?innerWidth:document.body.clientWidth;
        maxH = maxh?maxh:window.innerHeight?innerHeight:document.body.clientHeight;
        toX = tox?tox:0;
        toY = (toy?toy:0)+scrollH;
        fromX = evt.pageX?evt.pageX:evt.clientX;
        fromY = (evt.pageY?evt.pageY:evt.clientY)+(document.all?scrollH:0);
        adjX = toX+evt.screenX-fromX;
        adjY = toY+evt.screenY-fromY;

        if (document.createElement && document.body.appendChild && !zBox)         {
                zBox=document.createElement("div");
                zBox.style.position = "absolute";
                document.body.appendChild(zBox);
        }
        else if (document.all && !zBox)          {
                document.all[document.all.length-1].outerHTML+='<div id="zBoxDiv" style="position:absolute"></div>';
                zBox=document.all.zBoxDiv;
        }
        else if (document.layers && !zBox)        {
                zBox = new Layer(maxW);
                zBox.style=zBox;
        }
        zLink = zlink;
        doZoom();
        }
function doZoom() {
        zStep+=1;
        zPct=(10-zStep)/10
        if (document.layers)        {
                zBox.moveTo(toX+zPct*(fromX-toX),toY+zPct*(fromY-toY));
                zBox.document.open();
                zBox.document.write("<table width='"+maxW*(1-zPct)+"' height="+maxH*(1-zPct)+" border=2 cellspacing=0><tr><td></td></tr></table>");
                zBox.document.close();
        } else {
                zBox.style.border = "2px solid #999999"; // Å׵θ® ±½±âpx solid Å׵θ® »ö 
                zBox.style.left = toX+zPct*(fromX-toX);
                zBox.style.top = toY+zPct*(fromY-toY);
                zBox.style.width = maxW*(1-zPct);
                zBox.style.height = maxH*(1-zPct);
        }
                zBox.style.visibility = "visible";        
                if (zStep < 10)        {
                        setTimeout("doZoom("+fromX+","+fromY+","+toX+","+toY+")",30);
                } else {
                        zBox.style.visibility='hidden';
                        zStep=0;
                        if (zLink && !zNew)                {
                                location.href=zLink.href;
                        } else if (zLink && zNew) { // À©µµ À̸§ Áֽøé 1°³¹Û¿¡ »ç¿ëÇÏÁú ¸øÇÕ´Ï´Ù.
                                var w=window.open(zLink.href,'joy114','width='+maxW+',height='+maxH+',left='+adjX+',top='+adjY+',scrollbars=yes');
                                zNew=null;
                        }
                }
}

/* Ç®´Ù¿î ¸Þ´º Á¦¾î */
<!--
function namosw_goto_byselect(sel, targetstr)
{
  var index = sel.selectedIndex;
  if (sel.options[index].value != '') {
     if (targetstr == 'blank') {
       window.open(sel.options[index].value, 'win1');
     } else {
       var frameobj;
       if (targetstr == '') targetstr = 'self';
       if ((frameobj = eval(targetstr)) != null)
         frameobj.location = sel.options[index].value;
     }
  }
}

// -->