<!--
	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];}
	}

	// 창 띄우기
	function vodOpen(idx, kind) {
		var wwidth=640;
		var wheight=600;
		var wtop=Math.floor((screen.height / 2) - (wwidth/2)); 
		var wleft=Math.floor((screen.width / 2) - (wheight/2)); 

		
		var goURL="../view.php?idx="+idx+"&kind="+kind;

		window.open(goURL, 'viewwin', 'top='+wtop+', left='+wleft+', width='+640+', height='+600+', menubar=no, toolbar=no, location=no, scrollbars=no');
		return;
	}

	function loginOpen() {
		var nwidth=570;
		var nheight=280;
		var window_left = (screen.width - nwidth)/2;
		var window_top = (screen.height - nheight)/2;
		
		var goURL="/login.php";

		window.open(goURL, 'loginwin', 'top='+window_top+', left='+window_left+', width='+nwidth+', height='+nheight+', menubar=no, toolbar=no, location=no, scrollbars=no');
		return;
	}

	// 동영상 플레이어 창 띄우기
	function vodOpen2(idx, kind) {
		var wwidth=645;
		var wheight=550;
		var wtop=(screen.width - wwidth) / 2;
		var wleft=(screen.height - wheight) / 2;

		var goURL="http://eduworld.edu.co.kr/vod_view.php?idx="+idx+"&kind="+kind;

		window.open(goURL, 'viewwin', 'top='+wtop+', left='+wleft+', width='+wwidth+', height='+wheight+', menubar=no, toolbar=no, location=no, scrollbars=no');
		return;
	}

	// 배경지식 창 띄우기
	function knowledgeOpen(idx) {
		var wwidth=627;
		var wheight=490;
		var wleft = (screen.width - wwidth) / 2;
		var wtop = (screen.height - wheight) / 2;

		var goURL="http://eduworld.edu.co.kr/board_knowledge.php?idx="+idx;

		window.open(goURL, 'knowwin', 'top='+wtop+', left='+wleft+', width='+627+', height='+490+', menubar=no, toolbar=no, location=no, scrollbars=yes');
		return;
	}

	// 보충자료 창 띄우기
	function dataOpen(idx) {
		var wwidth=627;
		var wheight=490;
		var wleft = (screen.width - wwidth) / 2;
		var wtop = (screen.height - wheight) / 2;

		var goURL="http://eduworld.edu.co.kr/board_data.php?idx="+idx;

		window.open(goURL, 'datawin', 'top='+wtop+', left='+wleft+', width='+627+', height='+490+', menubar=no, toolbar=no, location=no, scrollbars=yes');
		return;
	}
//-->