String.prototype.trim = function () {
	return this.replace(/(^\s*)|(\s*$)/g, "");
};

function isNull(comp)
{
	var val = comp.val();
	if (val.trim() == "") {
		return true;
	}
	else{
		return false;
	}
}

function checkNull(comp, message) {
	var val = comp.val();
	if (val.trim() == "") {
		alert(message);
		comp.focus();
		return false;
	} else {
		return true;
	}
}


//숫자로 구성되어있나?
function isNumber(v, message) {
	var str = v.val();
	for (var i = 0; i < str.length; ++i) {
		c = str.charAt(i);
		if ((c < "0" || c > "9")) {
			alert(message + " \ud56d\ubaa9\uc740 \uc22b\uc790\ub9cc \uc785\ub825\ud558\uc154\uc57c\ud569\ub2c8\ub2e4");
			v.focus();
			return false;
		}
	}
	return true;
}

function checkEmail(str) {

     if(str.trim() == ""){
     	alert("이메일 주소를 입력하세요.");
     	return 0;
     }
     
     /* checkFormat */
     var isEmail = /[-!#$%&'*+\/^_~{}|0-9a-zA-Z]+(\.[-!#$%&'*+\/^_~{}|0-9a-zA-Z]+)*@[-!#$%&'*+\/^_~{}|0-9a-zA-Z]+(\.[-!#$%&'*+\/^_~{}|0-9a-zA-Z]+)*/;
     if( !isEmail.test(str) ) {
         alert("이메일 형식이 잘못 되었습니다.");
         return 0;
     }
     if( str.length > 60 ) {
         alert("이메일 주소는 60자까지 유효합니다.");
         return 0;
     }
  return true;
}


//document.domain = "naver.com";

var NS4;
var IE4;
var sUserAgent = navigator.userAgent;
var isOpera = sUserAgent.indexOf("Opera") > -1;
var isIE = sUserAgent.indexOf("compatible") > -1 
           && sUserAgent.indexOf("MSIE") > -1
           && !isOpera;

function getIEVersion()
{ 
	var rv = -1;
	if (navigator.appName == 'Microsoft Internet Explorer') {
	var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})"); 
	if (re.exec(sUserAgent) != null) 
		rv = parseFloat( RegExp.$1 );
	} 
	return rv; 
}

if (isIE)
{
    IE4 = true;
    NS4 = false;
}
else
{
    IE4 = false;
    NS4 = true;
}
var isWin = (navigator.appVersion.indexOf("Win") != -1)

function open_window(url, name, width, height, feature)
{
    var oWnd;

    if (IE4 && width < window.screen.width && height < window.screen.height) 
    {
        var windowX = Math.ceil( (window.screen.width  - width) / 2 );
        var windowY = Math.ceil( (window.screen.height - height) / 2 );

        oWnd = window.open(url, name, feature+",width=" + width +",height=" + height+",left="+windowX+",top="+windowY );
    }
    else 
    {
        oWnd = window.open(url, name, feature+",width=" + width +",height=" + height );
    }

    return oWnd;
}
function open_wnd(url, name, width, height)
{
    var oWnd = open_window(url, name, width, height, "toolbar=0,menubar=0,resizable=yes,scrollbars=no");
    return oWnd;
}
function popup(url, name, width, height, scrollbars)
{
    var oWnd = open_window(url, name, width, height, "toolbar=0,menubar=0,resizable=yes,scrollbars="+scrollbars);
    return oWnd;
}
function pop(url,width,height,flag)
{
    if (flag == 1 )
        var oPop = open_window(url, "", width, height, "toolbar=0,menubar=0,scrollbars=yes,resizable=yes");    
    else
        var oPop = open_window(url, "", width, height, "toolbar=0,menubar=0,scrollbars=no,resizable=yes");    
    return oPop;        
}

function toLoginPage(paramURL)
{
    if (paramURL == null || paramURL == '')
        paramURL = document.location.href;
        
    if(paramURL.match("#$")) paramURL = paramURL.substring(0, paramURL.length-1);
        
    var url = "http://nid.naver.com/nidlogin.login?mode=form&url=" + paramURL;
    top.location.href = url;
}


function toCertPage(rurl, surl){
	if (rurl == null || rurl == '')
        rurl = document.location.href;
        
    var url = "https://nid.naver.com/cert.nhn?todo=cert_start&rurl=" + rurl;
    
    if(surl != null && surl != '')
    	url += "&surl="+surl;
    
    top.location.href = url;
}

function LH_create()
{
    this._list = new Array;
    this._isLoaded = false;
    this.add = function(strExec)
    {
        this._list[this._list.length] = strExec;        
    }
    this.exec = function()
    {
        if(this._isLoaded) return;
        this._isLoaded = true;
        var list_len = this._list.length;
        for (var i = 0; i < list_len; i++)
        {
            try{
                eval(this._list[i]);
            }catch(e){}
        }      
    }
}

function LH_exec()
{
    if(LH) LH.exec();    
}

String.prototype.cut = function(len, tail) 
{
    var str = this;
    var l = 0;
    for (var i=0; i<str.length; i++) 
    {
        l += (str.charCodeAt(i) > 128) ? 2 : 1;
        if (l > len) return str.substring(0,i) + tail;
    }
    return str;
}
String.prototype.bytes = function() 
{
    var str = this;
    var l = 0;
    for (var i=0; i<str.length; i++) 
        l += (str.charCodeAt(i) > 128) ? 2 : 1;

    return l;
}
String.prototype.trim = function()
{
    return this.replace(/(^\s*)|(\s*$)/g, ""); 
}
function replaceBackslash(paramStr) 
{
    var str = paramStr;
    if (str.indexOf("\\") >= 0) str = str.replace(/\\/g, "\\\\");
    if (str.indexOf("\"") >= 0) str = str.replace(/\"/g, "\\\"");
    return str;
}

function setTop()
{
	window.scrollTo(0,0);
}

var frmMinWidth = -1;
var frmMinHeight = -1;
var applyMinSize = false;
var frmMaxWidth = -1;
var frmMaxHeight = -1;
var applyMaxSize = false;
function setMinSize(width, height)
{
    frmMinWidth = width;
    frmMinHeight = height
    applyMinSize = true;
}
function setMaxSize(width, height)
{
    frmMaxWidth = width;
    frmMaxHeight = height
    applyMaxSize = true;
}

function resizeIframe(name, userHtmlScroll)
{
    if (name == null || name == "")
    {
        name = "cafe_main";
    }

    try
    {
    	var oTarget;
    
        if (isIE && getIEVersion()<=7) {	
        
			var oFrame = document.getElementById(name);
			
			var oFrameHtml = window.frames[name].document.getElementsByTagName('HTML')[0];
			var oFrameBody = window.frames[name].document.getElementsByTagName('BODY')[0];
			
			//IE5.5에서는 html의 scrollHeight 값이 다르다.
			if (userHtmlScroll && !$Agent().IE55)
				oTarget = oFrameHtml;
			else
				oTarget = oFrameBody;

			oFrame.style.width = oTarget.scrollWidth + "px";
			oFrame.style.height = oTarget.scrollHeight + "px";
        } else {
			
            var oBody = document.getElementById(name).contentDocument.documentElement;
	        var oIFrame = document.getElementById(name);
			
	        var frmWidth  = oBody.scrollWidth;
	        var frmHeight = oBody.scrollHeight;

	        // IE8을 위한 지저분한 코드
	        if(isIE && getIEVersion()==8 && (frmHeight==parseInt(oIFrame.style.height) || !parseInt(oIFrame.style.height) || frmHeight==0) )
			{
				var s = oBody.getElementsByTagName("BODY")[0].appendChild(document.createElement('DIV'))			
				s.style.clear = 'both';
				s.innerHTML="";
				s.innerHTML="";
				var nHeight = s.offsetTop;			
				s.parentNode.removeChild(s);
				if(nHeight>0)
					frmHeight = nHeight;
			}
			
	        if (applyMinSize)
	        {
	        	if(frmMinWidth>-1)
	        		frmWidth  = Math.max(frmWidth, frmMinWidth);
	        	if(frmMinHeight>-1)
	        		frmHeight = Math.max(frmHeight, frmMinHeight);
	        }
	        if (applyMaxSize)
	        {
	        	if(frmMaxWidth>-1)
	        		frmWidth  = Math.min(frmWidth, frmMaxWidth);
	        	if(frmMaxHeight>-1)
	        		frmHeight = Math.min(frmHeight, frmMaxHeight);
	        }
	        	        			
	        oIFrame.style.height = frmHeight + "px";
	        oIFrame.style.width = frmWidth + "px";
		}
    }catch (e) {}
}
function parentResizeIframe(name, userHtmlScroll)
{
	if (parent && parent != this && parent.resizeIframe != null)
    {
        parent.resizeIframe(name, userHtmlScroll);
    }
}

if (NS4) 
{
    document.captureEvents(Event.KEYDOWN)
    document.onkeydown = trapRefresh;
} 
else if (IE4) 
{
    document.onkeydown = trapRefresh;
}

function trapRefresh(e)
{
    var event;
    if (window.event) event = window.event;
    else event = e;

    if (event.keyCode == 116)
    {
        if (window.event) 
            event.keyCode = 0;
        event.cancelBubble = true; 
        event.returnValue = false;
        document.location.reload();
    }
}

function initRead(id){
    document.getElementById(id).oncontextmenu = new Function("return false");
    document.getElementById(id).onselectstart = new Function("return false"); 
	document.getElementById(id).ondragstart = new Function("return false"); 
}

function toggleBlockDragInFF(bEnable){
	if(bEnable) cancelBlockDragInFF();
	else blockDragInFF();
}

function blockMouseRight() {
	funcIE = function(){
		if(window.event.srcElement.tagName.toLowerCase() == "textarea" || window.event.srcElement.tagName.toLowerCase() == "input") return true;
		else return false;
	};
	
	funcFF = function(event){	
		if(event.target.tagName.toLowerCase() == "textarea" || event.target.tagName.toLowerCase() == "input") return true;
		else return false;
	};
	
	if(isIE) window.document.oncontextmenu = funcIE;	
	else window.document.oncontextmenu = funcFF;
	
	if(isIE) window.document.onselectstart = funcIE;	
	else window.document.onselectstart = funcFF;
	
	if(isIE) window.document.ondragstart = funcIE;	
	else window.document.ondragstart = funcFF;
	
	if(window.document.body) window.document.body.style.MozUserSelect ='none';
	
}

	
function blockDragInFF(){
	if(window.document.body) window.document.body.style.MozUserSelect ='none';
} 

function cancelBlockDragInFF(){
	if(window.document.body) window.document.body.style.MozUserSelect ='text';		
}	


function CancelBlockMouseRight(){
	window.document.oncontextmenu = null;	
    window.document.onselectstart = null; 
	window.document.ondragstart = null;
	window.document.body.style.MozUserSelect ='text';
}
/* 검색 ui용 리사이즈 (셀렉트박스때문에 하단에 100px 여백을 더 둔다.) */


//added by blankus 2008-06-11
//메뉴관리 - 글양식 사용부분 20개 제한
var prevSelIdx = 0;
function chkWriteFormCount(oSel, formid){
	for(var i=0; i<oSel.length; i++){
		if(oSel[i].selected){			
			if(formid != oSel[i].value && Number(oSel[i].getAttribute('wf')) >= 20){
				alert('선택하신 글양식은 이미 다른 20개의 메뉴에서 사용되고 있습니다.');
				oSel[prevSelIdx].selected = true;
			}else{
				prevSelIdx = i;
			}
		}
		
	}
}

// css의 word-break 속성이 적용되지 않는 브라우저들을 위해
function wordBreak(el) {
	var oAgent = $Agent();
	if(!(oAgent.IE6 || oAgent.IE7 || oAgent.IE8))	el.innerHTML = el.innerHTML.replace(/./g,function(sChar){	return sChar+'&#x200B;';});
	else return;
}

function checkNumber(input) {
    var regexp = /[^0-9]/g;
    var str = input.value;
    if(str.match(regexp) != null ) {
      str = str.replace(regexp, "");
      input.value = str;
    } 
    
    return true;
}

__nvl_error = function(m,u,l){
	if (Math.round(Math.random()*100) == 1){
	    if(typeof m == "object" && typeof m.description == 'string'){
	            m = m + " : " + m.description;
	    }
	    if(!u) u = document.location;
	    if(!l) l = 0;
	    var img = new Image();
	    img.src = "http://cecs.naver.com/?m=" + encodeURIComponent(m) + 
	        "&u=" + encodeURIComponent(u) + "&l=" + l;
	}
}
window.onerror = __nvl_error;

//ROS 서비스시 해당 모듈을 통해 지원 되지 않는 Action은  alert 처리
function onclickRos() {
	alert("카페 서비스 점검 중입니다.\n점검 시간 동안 기능 이용이 제한됩니다.");
	return false;
}

function onclickRosNotJoin() {
	alert("카페 서비스 점검 중입니다.\n점검이 끝난 후에 카페 가입이 가능합니다.");
	return false;
}

function initRosEvent() {
	var rosClass = "_rosRestrict";
	if(document.getElementsByClassName) {
		var elements = document.getElementsByClassName(rosClass);
		for(i=0; i<elements.length ; i++) {
			var obj = elements[i];
			if(obj != null) obj.onclick = onclickRos;
		}
	} else {
		var targetTags = [ "a","div","span" ];
		for(i=0; i<targetTags.length; i++) {
			var elements = document.getElementsByTagName(targetTags[i]);
			for(j=0; j<elements.length ; j++) {
				var obj = elements[j];
				if (obj.className.indexOf(rosClass)>-1) {
					obj.onclick = onclickRos;
				}
			}
		}
	}
}

function initRosReadcount() {
	var rosClass = "_rosReadcount";
	if(document.getElementsByClassName) {
		var elements = document.getElementsByClassName(rosClass);
		for(i=0; i<elements.length ; i++) {
			var obj = elements[i];
			//alert(obj);
			if(obj != null) obj.innerHTML = "-";
		}
	} else {
		var targetTags = [ "a","div","span","td" ];
		for(i=0; i<targetTags.length; i++) {
			var elements = document.getElementsByTagName(targetTags[i]);
			for(j=0; j<elements.length ; j++) {
				var obj = elements[j];
				if (obj.className.indexOf(rosClass)>-1) {
					if(obj != null) obj.innerHTML = "-";
				}
			}
		}
	}
}

function linkToNotice()
{		
	var wnd = window.open("${readOnlyMode.linkToNoticeURL}","underConstructionNotice");		
}