// Top Menu (GNB)
function initNavigation(seq) {
	nav = document.getElementById("gnb");
	nav.menu = new Array();
	nav.current = null;
	nav.menuseq = 0;
	navLen = nav.childNodes.length;
	
	allA = nav.getElementsByTagName("a")
	for(k = 0; k < allA.length; k++) {
		allA.item(k).onmouseover = allA.item(k).onfocus = function () {
			nav.isOver = true;
		}
		allA.item(k).onmouseout = allA.item(k).onblur = function () {
			nav.isOver = false;
			setTimeout(function () {
				if (nav.isOver == false) {
					if (nav.menu[seq])
						nav.menu[seq].onmouseover();
					else if(nav.current) {
						menuImg = nav.current.childNodes.item(0);
						menuImg.src = menuImg.src.replace("_over.gif", ".gif");
						if (nav.current.submenu)
							nav.current.submenu.style.display = "none";
						nav.current = null;
					}
				}
			}, 500);
		}
	}

	for (i = 0; i < navLen; i++) {
		navItem = nav.childNodes.item(i);
		if (navItem.tagName != "LI")
			continue;

		navAnchor = navItem.getElementsByTagName("a").item(0);
		navAnchor.submenu = navItem.getElementsByTagName("ul").item(0);
		
		navAnchor.onmouseover = navAnchor.onfocus = function () {
			if (nav.current) {
				menuImg = nav.current.childNodes.item(0);
				menuImg.src = menuImg.src.replace("_over.gif", ".gif");
				if (nav.current.submenu)
					nav.current.submenu.style.display = "none";
				nav.current = null;
			}
			if (nav.current != this) {
				menuImg = this.childNodes.item(0);
				menuImg.src = menuImg.src.replace(".gif", "_over.gif");
				if (this.submenu)
					this.submenu.style.display = "block";
				nav.current = this;
			}
			nav.isOver = true;
		}
		nav.menuseq++;
		nav.menu[nav.menuseq] = navAnchor;
	}
	if (nav.menu[seq])
		nav.menu[seq].onmouseover();
}


// À̹ÌÁö ·Ñ¿À¹ö ex) <img src="url" onmouseover="menuOn(this);" onmouseout="menuOut(this);"  /> 
function menuOn(imgEl)
{
  imgEl.src = imgEl.src.replace(".gif", "_over.gif");
}

function menuOut(imgEl)
{
  imgEl.src = imgEl.src.replace("_over.gif", ".gif");
}


// Png24
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=''; return '';
}


// ·Î±×ÀΠüũ STR //
function loginMainCheck(n)
{
	if (n == 1)	var form	=	document.loginMainS;
	else			var form	=	document.loginMain;

	if (form.email.value=='') 
	{
		alert('À̸ÞÀÏÀ» ±âÀÔÇØÁÖ¼¼¿ä.');
		form.email.focus();
		return false;
	} 
	else if(form.email.value.indexOf ('@',0) == -1 || form.email.value.indexOf ('.',0) == -1) 
	{
		alert("À̸ÞÀÏÁÖ¼Ò°¡ À߸øµÇ¾ú½À´Ï´Ù!")
		form.email.select();
		form.email.focus();
		return false;
	} 
	else if (form.passwd.value.length<6) 
	{
		alert('ºñ¹Ð¹øÈ£¸¦ Á¦´ë·Î ±âÀÔÇØÁÖ¼¼¿ä. (6ÀÚ ÀÌ»ó)');
		form.passwd.focus();
		return false;
	} 
	else 
	{
		if (n == '2')
		{
			if (form.idpwsave.checked == true)
			{
				var idpwsave = form.idpwsave.value;
			} 
			else
			{
				var idpwsave = "";
			}
		}

		form.action = "/new/program/login/login_exe.php";
		form.submit();
		return false;
	}
}
// ·Î±×ÀΠüũ END //

function enter_ok(n)
{
	if(event.keyCode == 13)	loginMainCheck(n);
}

function onlyNumber() 
{
   if((event.keyCode<48)||(event.keyCode>57))
   event.returnValue=false;
}


function divShow(layerId){
	var divStatus = document.getElementById(layerId);
	if (divStatus.style.display == "block") {
	divStatus.style.display = "none";
	} else{
	divStatus.style.display = "block";
 }
}

function divShow2(layerId1, layerId2)
{
	var divStatus1 = document.getElementById(layerId1);
	var divStatus2 = document.getElementById(layerId2);
	
	divStatus1.style.display = "none";
	divStatus2.style.display = "";
}


// hide layer
function hideLayer(tgtEl) { document.getElementById(tgtEl).style.display = "none"; }


// ¾Ë¸² ·¹ÀÌ¾î ¿­±â STR//
function noti_layer(userid,n)
{
	var _back_layer = document.getElementById('background_layer');
	var obj = this;
	try
	{
		_back_layer.style.height	= (document.body.scrollHeight) + 'px';
		_back_layer.style.width	= (document.body.scrollWidth) + 'px';
		_back_layer.style.display = '';	
	}
	catch (e)
	{
		setTimeout(function(){obj.noti_layer(userid,n);}, 500);
	}
	startRequestAjax('program/popup/noti_pop.php','userid='+userid+'&type='+n,'layer_pop_div');
}
function video_layer(m,n)
{
	var _back_layer = document.getElementById('background_layer');
	var obj = this;
	try
	{
		_back_layer.style.height	= (document.body.scrollHeight) + 'px';
		_back_layer.style.width	= (document.body.scrollWidth) + 'px';
		_back_layer.style.display = '';	
	}
	catch (e)
	{
		setTimeout(function(){obj.video_layer(m,n);}, 500);
	}
	startRequestAjax('program/popup/video_pop.php','artistid='+m+'&videoid='+n,'layer_pop_div');
}
function album_layer(m)
{
	var _back_layer = document.getElementById('background_layer');
	var obj = this;
	try
	{
		_back_layer.style.height	= (document.body.scrollHeight) + 'px';
		_back_layer.style.width	= (document.body.scrollWidth) + 'px';
		_back_layer.style.display = '';	
	}
	catch (e)
	{
		setTimeout(function(){obj.album_layer(m);}, 500);
	}
	startRequestAjax('program/popup/album_pop.php','albumid='+m,'layer_pop_div');
}
// ¾Ë¸² ·¹ÀÌ¾î ¿­±â END//


function layer_off(layer) 
{
	var _back_layer = $("#background_layer");
	var _layer = $("#layer_pop_div");

	startRequestAjax('program/popup/blank.php','',layer);
	_back_layer.hide();
	_layer.hide();
}


// ¹é½ºÆäÀ̽º ±ÝÁö.
function cancel_back() 
{
	if(event.keyCode == 8)		event.returnValue=false;
}

function play(id1,id2)
{
	document.getElementById("mplay").innerHTML = "<embed src='http://www.soundholic.co.kr/new/files/music/"+id1+"/"+id2+"' hidden='true' autostart='true'>";
}