//onload ¿©·¯°³ »ç¿ë
function addLoadEvent(func){
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
		window.onload = func;
	}else{
		window.onload = function(){
			oldonload();
			func();
		}
	}
}

//getElementsByClassName ±¸Çö
function getElementsByClassName(classname,tag){
	if(!tag) tag = "*";
	var anchs =  document.getElementsByTagName(tag);
	var total_anchs = anchs.length;
	var regexp = new RegExp('\\b' + classname + '\\b');
	var class_items = new Array();

	for(var i=0;i<total_anchs;i++){
		var this_item = anchs[i];
		if(regexp.test(this_item.className)) class_items.push(this_item);
	}
	return class_items;
}

//Ç÷¡½ÃÃâ·ÂÇÔ¼ö by Jeong Huiju
function flashDraw(src,w,h,wmode,id){ 
	var altContent;
	switch(id){
		case 'main':
			altContent = '';
			break;
		default:
			altContent = 'ÀÌ ¿µ¿ªÀº Ç÷¡½Ã ÄÁÅÙÃ÷ÀÔ´Ï´Ù.';
			break;
	}

	if(!wmode) wmode = 'window';
	else if(wmode == 'w') wmode = 'window';
	else if(wmode == 't') wmode = 'transparent';
	else if(wmode == 'o') wmode = 'opaque';

	var str= '' +
		'<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://get.adobe.com/flashplayer/" width="' + w + '" height="' + h + '">' +
			'<param name="movie" value="' + src + '" />' +
			'<param name="quality value=high" />' +
			'<param name="menu" value="false" />' +
			'<param name="allowScriptAccess" value="always" />' +
			'<param name="allowFullScreen" value="false" />' +
			'<param name="wmode" value="'+ wmode +'" />' +
			'<!--[if !IE]>-->' +
				'<object type="application/x-shockwave-flash" data="' + src + '" width="' + w + '" height="' + h + '" style="-moz-outline-style:none;">' +
				'<param name="quality value=high" />' +
				'<param name="menu" value="false" />' +
				'<param name="allowScriptAccess" value="always" />' +
				'<param name="allowFullScreen" value="false" />' +
				'<param name="wmode" value="'+ wmode +'" />' +
			'<!--<![endif]-->' +
				altContent +
			'<!--[if !IE]>-->' +
				'</object>' +
			'<!--<![endif]-->' +
		'</object>';
	document.write(str);
}

//¸ÞÀÎ »õ·Î¿î ±Û Ãâ·Â ÅÇ ¿À¹ö ÇÔ¼ö by Jeong Huiju
function mainNewArticleEvent(){
	if (!document.getElementsByTagName) return false;
	if (!document.getElementById) return false;
	if (!document.getElementById("mainNewArticle")) return false;

	var newAtc = document.getElementById("mainNewArticle");
	var atcHead = newAtc.getElementsByTagName("h4");
	var atcList = newAtc.getElementsByTagName("ol");

	atcHead[0].getElementsByTagName("a")[0].onmouseover = function(){
		atcList[0].style.display = 'block';
		atcList[1].style.display = 'none';
		atcList[2].style.display = 'none';
		atcList[3].style.display = 'none';
		atcHead[0].style.backgroundPosition = '0 -22px';
		atcHead[1].style.backgroundPosition = '-64px 0';
		atcHead[2].style.backgroundPosition = '-128px 0';
		atcHead[3].style.backgroundPosition = '-192px 0';
		return false;
	}
	atcHead[1].getElementsByTagName("a")[0].onmouseover = function(){
		atcList[0].style.display = 'none';
		atcList[1].style.display = 'block';
		atcList[2].style.display = 'none';
		atcList[3].style.display = 'none';
		atcHead[0].style.backgroundPosition = '0 0';
		atcHead[1].style.backgroundPosition = '-64px -22px';
		atcHead[2].style.backgroundPosition = '-128px 0';
		atcHead[3].style.backgroundPosition = '-192px 0';
		return false;
	}
	atcHead[2].getElementsByTagName("a")[0].onmouseover = function(){
		atcList[0].style.display = 'none';
		atcList[1].style.display = 'none';
		atcList[2].style.display = 'block';
		atcList[3].style.display = 'none';
		atcHead[0].style.backgroundPosition = '0 0';
		atcHead[1].style.backgroundPosition = '-64px 0';
		atcHead[2].style.backgroundPosition = '-128px -22px';
		atcHead[3].style.backgroundPosition = '-192px 0';
		return false;
	}
	atcHead[3].getElementsByTagName("a")[0].onmouseover = function(){
		atcList[0].style.display = 'none';
		atcList[1].style.display = 'none';
		atcList[2].style.display = 'none';
		atcList[3].style.display = 'block';
		atcHead[0].style.backgroundPosition = '0 0';
		atcHead[1].style.backgroundPosition = '-64px 0';
		atcHead[2].style.backgroundPosition = '-128px 0';
		atcHead[3].style.backgroundPosition = '-192px -22px';
		return false;
	}

	//Å°º¸µå Á¢±Ù
	atcHead[0].getElementsByTagName("a")[0].onfocus = function(){
		atcList[0].style.display = 'block';
		atcList[1].style.display = 'none';
		atcList[2].style.display = 'none';
		atcList[3].style.display = 'none';
		atcHead[0].style.backgroundPosition = '0 -22px';
		atcHead[1].style.backgroundPosition = '-64px 0';
		atcHead[2].style.backgroundPosition = '-128px 0';
		atcHead[3].style.backgroundPosition = '-192px 0';
		return false;
	}
	atcHead[1].getElementsByTagName("a")[0].onfocus = function(){
		atcList[0].style.display = 'none';
		atcList[1].style.display = 'block';
		atcList[2].style.display = 'none';
		atcList[3].style.display = 'none';
		atcHead[0].style.backgroundPosition = '0 0';
		atcHead[1].style.backgroundPosition = '-64px -22px';
		atcHead[2].style.backgroundPosition = '-128px 0';
		atcHead[3].style.backgroundPosition = '-192px 0';
		return false;
	}
	atcHead[2].getElementsByTagName("a")[0].onfocus = function(){
		atcList[0].style.display = 'none';
		atcList[1].style.display = 'none';
		atcList[2].style.display = 'block';
		atcList[3].style.display = 'none';
		atcHead[0].style.backgroundPosition = '0 0';
		atcHead[1].style.backgroundPosition = '-64px 0';
		atcHead[2].style.backgroundPosition = '-128px -22px';
		atcHead[3].style.backgroundPosition = '-192px 0';
		return false;
	}
	atcHead[3].getElementsByTagName("a")[0].onfocus = function(){
		atcList[0].style.display = 'none';
		atcList[1].style.display = 'none';
		atcList[2].style.display = 'none';
		atcList[3].style.display = 'block';
		atcHead[0].style.backgroundPosition = '0 0';
		atcHead[1].style.backgroundPosition = '-64px 0';
		atcHead[2].style.backgroundPosition = '-128px 0';
		atcHead[3].style.backgroundPosition = '-192px -22px';
		return false;
	}
}

function setPng24(obj) {
 obj.width=obj.height=1;
 obj.className=obj.className.replace(/\bpng24\b/i,""); 
 obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\""+ obj.src +"\",sizingMethod=\"image\");"
 obj.src ="blank.gif";
 return "";
}

// Áߺзù tab
function mtab_sect(num) {
  var mobj;
  for(var i = 0; i < 3; i++) {
	  mobj = eval("document.all.mtab" + i);
	  mobj.style.display = "none";
  }
  mobj = eval("document.all.mtab" + num);
  mobj.style.display = "";
}


//Æ˾÷À©µµ¿ì
function popupSmallWin(href,w,h,s){
	if(screen.width < 1025){
		LeftPosition=0;
		TopPosition=0;
	}else{
		LeftPosition=(screen.width)?(screen.width-w)/2:100;
		TopPosition=(screen.height)?(screen.height-h)/2:100;
	}
	if(!s) s = 'no';
	window.open(href, 'smallwin', 'scrollbars='+s+', location=0, menubar=0, width='+w+', height='+h+', left='+LeftPosition+', top='+ TopPosition);
}

//¸ÞÀÎ Çù·Â±â°ü ¹è³Ê