/*show hide layer*/
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);

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_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; }
}



/* À̹ÌÁö¿À¹ö */
function chImgOver(obj){
  var imgsrc=obj.src;
  var imgdir=imgsrc.substring(0,imgsrc.lastIndexOf("/"));
  var imgname=imgsrc.substring(imgsrc.lastIndexOf("/"),imgsrc.lastIndexOf("."));
  var imgext=imgsrc.substring(imgsrc.lastIndexOf("."),imgsrc.length);

  imgname = imgname + "Over";

  obj.src=imgdir+imgname+imgext;
  return true;
}

function chImgOut(obj){
  var imgsrc=obj.src;
  var imgdir=imgsrc.substring(0,imgsrc.lastIndexOf("/"));
  var imgname=imgsrc.substring(imgsrc.lastIndexOf("/"),imgsrc.lastIndexOf("."));
  var imgext=imgsrc.substring(imgsrc.lastIndexOf("."),imgsrc.length);

  imgname = imgname.substring(0, imgname.length-4);

  obj.src=imgdir+imgname+imgext;
  return true;
}

/* µÎÁÙ·Ñ¿À¹ö */
function over(el) {
  el.className = "over";
}
function out(el) {
  el.className = "";
}

//-----------------------------------------------------------------------------
// faq 
//-----------------------------------------------------------------------------
 function change() { 
 	if(!document.all) 
 		return 
 	if (event.srcElement.className=="expandable"){ 
 		var x=event.srcElement.parentElement 
 		if (x.all[2].style.display=="none"){ 
 			x.all[2].style.display=''; 
 			} 
 		else { 
 			x.all[2].style.display="none" 
 			} 
 		} 
 	if (event.srcElement.className=="expandable2"){ 
 		var x=event.srcElement.parentElement 
 		if (x.all[2].style.display=="none"){ 
 			x.all[2].style.display=''; 
 			} 
 		else { 
 			x.all[2].style.display="none" 
 			} 
 		} 
 	} 
 document.onclick=change