<!--
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_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_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_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);
//-->


// top버튼

function scrollLayer(p_obj_name, p_gap_point, t_point) 
{ 
    var top_point, start_point, end_point, timer; 

    var obj_layer   = document.getElementById(p_obj_name);  // 레이어 오브젝트

    top_point   = obj_layer.style.top;//레이어의 top
    start_point = parseInt(top_point, 10); //top_point의 타입을 int로 바꿈
	end_point   = p_gap_point + parseInt(document.body.scrollTop);
    limit_point = parseInt(document.body.scrollHeight) - parseInt(obj_layer.offsetHeight) -10; 

    if ( end_point > limit_point )  end_point = limit_point; 
		if ( end_point < t_point)	end_point = t_point;
    if ( end_point < top_point )    end_point = top_point; 

    if ( start_point != end_point ) 
    { 
        scroll_amount = Math.ceil( Math.abs( end_point - start_point ) / 15 ); 
		//레이어의 탑 위치를 정해 줌
		obj_layer.style.top  = parseInt(top_point, 10) + ( ( end_point < start_point ) ? -scroll_amount : scroll_amount ); 		
    } 
	//타이머로 계속 루프를 돌림
    timer = setTimeout ("scrollLayer('" + p_obj_name + "', " + p_gap_point + ", " + t_point +");", 5); 
} 

function gotop(){
  document.body.scrollTop=0;
 }
//-->