/* ·Ñ¿À¹ö °ü·Ã ÇÔ¼ö */
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_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];}
}

/*»ó´Ü ¸Þ´º */
function ans_view(val){
	t=eval("ans"+val);
	if(t.style.display=="block")
	{
		t.style.display="none";
	}
	else t.style.display="block";
}

function ans_view2(val){
    var i;
	for (i=0; i<12; i++) {
		t=eval("ans"+i);
		if(i == val)
		{
			t.style.display="block";
		} else {
			t.style.display="none";
		}
	}
}

/*¶óÅ×½ºÆ® ¸Þ´º */
function ptab_view(val){
	t=eval("ptab"+val);
	if(t.style.display=="block")
	{
		t.style.display="none";
	}
	else t.style.display="block";
}

function ptab_view2(val){
    var i;
	for (i=1; i<3; i++) {
		t=eval("ptab"+i);
		if(i == val)
		{
			t.style.display="block";
		} else {
			t.style.display="none";
		}
	}
}