/**
 * @file common.js
 * @author NAVER (developers@xpressengine.com)
 * @brief 몇가지 유용한 & 기본적으로 자주 사용되는 자바스크립트 함수들 모음
 **/

/* jQuery 참조변수($) 제거 */
if(jQuery) jQuery.noConflict();

(function($) {
	/* OS check */
	var UA = navigator.userAgent.toLowerCase();
	$.os = {
		Linux: /linux/.test(UA),
		Unix: /x11/.test(UA),
		Mac: /mac/.test(UA),
		Windows: /win/.test(UA)
	};
	$.os.name = ($.os.Windows) ? 'Windows' :
		($.os.Linux) ? 'Linux' :
		($.os.Unix) ? 'Unix' :
		($.os.Mac) ? 'Mac' : '';

	/**
	 * @brief XE 공용 유틸리티 함수
	 * @namespace XE
	 */
	window.XE = {
		loaded_popup_menus : [],
		addedDocument : [],
		/**
		 * @brief 특정 name을 가진 체크박스들의 checked 속성 변경
		 * @param [itemName='cart',][options={}]
		 */
		checkboxToggleAll : function(itemName) {
			if(!is_def(itemName)) itemName='cart';
			var obj;
			var options = {
				wrap : null,
				checked : 'toggle',
				doClick : false
			};

			switch(arguments.length) {
				case 1:
					if(typeof(arguments[0]) == "string") {
						itemName = arguments[0];
					} else {
						$.extend(options, arguments[0] || {});
						itemName = 'cart';
					}
					break;
				case 2:
					itemName = arguments[0];
					$.extend(options, arguments[1] || {});
			}

			if(options.doClick === true) options.checked = null;
			if(typeof(options.wrap) == "string") options.wrap ='#'+options.wrap;

			if(options.wrap) {
				obj = $(options.wrap).find('input[name="'+itemName+'"]:checkbox');
			} else {
				obj = $('input[name="'+itemName+'"]:checkbox');
			}

			if(options.checked == 'toggle') {
				obj.each(function() {
					$(this).attr('checked', ($(this).attr('checked')) ? false : true);
				});
			} else {
				if(options.doClick === true) {
					obj.click();
				} else {
					obj.attr('checked', options.checked);
				}
			}
		},

		/**
		 * @brief 문서/회원 등 팝업 메뉴 출력
		 */
		displayPopupMenu : function(ret_obj, response_tags, params) {
			var target_srl = params.target_srl;
			var menu_id = params.menu_id;
			var menus = ret_obj.menus;
			var html = "";

			if(this.loaded_popup_menus[menu_id]) {
				html = this.loaded_popup_menus[menu_id];

			} else {
				if(menus) {
					var item = menus.item;
					if(typeof(item.length)=='undefined' || item.length<1) item = new Array(item);
					if(item.length) {
						for(var i=0;i<item.length;i++) {
							var url = item[i].url;
							var str = item[i].str;
							var icon = item[i].icon;
							var target = item[i].target;

							var styleText = "";
							var click_str = "";
							/* if(icon) styleText = " style=\"background-image:url('"+icon+"')\" "; */
							switch(target) {
								case "popup" :
										click_str = 'onclick="popopen(this.href, \''+target+'\'); return false;"';
									break;
								case "javascript" :
										click_str = 'onclick="'+url+'; return false; "';
										url='#';
									break;
								default :
										click_str = 'target="_blank"';
									break;
							}

							html += '<li '+styleText+'><a href="'+url+'" '+click_str+'>'+str+'</a></li> ';
						}
					}
				}
				this.loaded_popup_menus[menu_id] =  html;
			}

			/* 레이어 출력 */
			if(html) {
				var area = $('#popup_menu_area').html('<ul>'+html+'</ul>');
				var areaOffset = {top:params.page_y, left:params.page_x};

				if(area.outerHeight()+areaOffset.top > $(window).height()+$(window).scrollTop())
					areaOffset.top = $(window).height() - area.outerHeight() + $(window).scrollTop();
				if(area.outerWidth()+areaOffset.left > $(window).width()+$(window).scrollLeft())
					areaOffset.left = $(window).width() - area.outerWidth() + $(window).scrollLeft();

				area.css({ top:areaOffset.top, left:areaOffset.left }).show().focus();
			}
		}
	};
}) (jQuery);



/* jQuery(document).ready() */
jQuery(function($) {

	/* select - option의 disabled=disabled 속성을 IE에서도 체크하기 위한 함수 */
	if($.browser.msie) {
		$('select').each(function(i, sels) {
			var disabled_exists = false;
			var first_enable = [];

			for(var j=0; j < sels.options.length; j++) {
				if(sels.options[j].disabled) {
					sels.options[j].style.color = '#CCCCCC';
					disabled_exists = true;
				}else{
					first_enable[i] = (first_enable[i] > -1) ? first_enable[i] : j;
				}
			}

			if(!disabled_exists) return;

			sels.oldonchange = sels.onchange;
			sels.onchange = function() {
				if(this.options[this.selectedIndex].disabled) {

					this.selectedIndex = first_enable[i];
					/*
					if(this.options.length<=1) this.selectedIndex = -1;
					else if(this.selectedIndex < this.options.length - 1) this.selectedIndex++;
					else this.selectedIndex--;
					*/

				} else {
					if(this.oldonchange) this.oldonchange();
				}
			};

			if(sels.selectedIndex >= 0 && sels.options[ sels.selectedIndex ].disabled) sels.onchange();

		});
	}

	/* 단락에디터 fold 컴포넌트 펼치기/접기 */
	var drEditorFold = $('.xe_content .fold_button');
	if(drEditorFold.size()) {
		var fold_container = $('div.fold_container', drEditorFold);
		$('button.more', drEditorFold).click(function() {
			$(this).hide().next('button').show().parent().next(fold_container).show();
		});
		$('button.less', drEditorFold).click(function() {
			$(this).hide().prev('button').show().parent().next(fold_container).hide();
		});
	}

	jQuery('input[type="submit"],button[type="submit"]').click(function(ev){
		var $el = jQuery(ev.currentTarget);

		setTimeout(function(){
			return function(){
				$el.attr('disabled', 'disabled');
			};
		}(), 0);

		setTimeout(function(){
			return function(){
				$el.removeAttr('disabled');
			};
		}(), 3000);
	});
});

(function(){ // String extension methods
	function isSameUrl(a,b) {
		return (a.replace(/#.*$/, '') === b.replace(/#.*$/, ''));
	}
	var isArray = Array.isArray || function(obj){ return Object.prototype.toString.call(obj)=='[object Array]'; };

	/**
	 * @brief location.href에서 특정 key의 값을 return
	 **/
	String.prototype.getQuery = function(key) {
		var loc = isSameUrl(this, window.location.href) ? current_url : this;
		var idx = loc.indexOf('?');
		if(idx == -1) return null;
		var query_string = loc.substr(idx+1, this.length), args = {};
		query_string.replace(/([^=]+)=([^&]*)(&|$)/g, function() { args[arguments[1]] = arguments[2]; });

		var q = args[key];
		if(typeof(q)=='undefined') q = '';

		return q;
	};

	/**
	 * @brief location.href에서 특정 key의 값을 return
	 **/
	String.prototype.setQuery = function(key, val) {
		var loc = isSameUrl(this, window.location.href) ? current_url : this;
		var idx = loc.indexOf('?');
		var uri = loc.replace(/#$/, '');
		var act, re, v, toReplace, query_string;

		if (typeof(val)=='undefined') val = '';

		if (idx != -1) {
			var args = {}, q_list = [];
			query_string = uri.substr(idx + 1, loc.length);
			uri = loc.substr(0, idx);
			query_string.replace(/([^=]+)=([^&]*)(&|$)/g, function(all,key,val) { args[key] = val; });

			args[key] = val;

			for (var prop in args) {
				if (!args.hasOwnProperty(prop)) continue;
				if (!(v = String(args[prop]).trim())) continue;
				q_list.push(prop+'='+decodeURI(v));
			}

			query_string = q_list.join('&');
			uri = uri + (query_string ? '?' + encodeURI(query_string) : '');
		} else {
			if (String(val).trim()) {
				query_string = '?' + key + '=' + val;
				uri = uri + encodeURI(query_string);
			}
		}

		re = /^https:\/\/([^:\/]+)(:\d+|)/i;
		if (re.test(uri)) {
			toReplace = 'http://'+RegExp.$1;
			if (window.http_port && http_port != 80) toReplace += ':' + http_port;
			uri = uri.replace(re, toReplace);
		}

		var bUseSSL = !!window.enforce_ssl;
		if (!bUseSSL && isArray(window.ssl_actions) && (act=uri.getQuery('act'))) {
			for (var i=0,c=ssl_actions.length; i < c; i++) {
				if (ssl_actions[i] === act) {
					bUseSSL = true;
					break;
				}
			}
		}

		re = /http:\/\/([^:\/]+)(:\d+|)/i;
		if (bUseSSL && re.test(uri)) {
			toReplace = 'https://'+RegExp.$1;
			if (window.https_port && https_port != 443) toReplace += ':' + https_port;
			uri = uri.replace(re, toReplace);
		}

		// insert index.php if it isn't included
		uri = uri.replace(/\/(index\.php)?\?/, '/index.php?');

		return uri;
	};

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

})();

/**
 * @brief xSleep(micro time)
 **/
function xSleep(sec) {
	sec = sec / 1000;
	var now = new Date();
	var sleep = new Date();
	while( sleep.getTime() - now.getTime() < sec) {
		sleep = new Date();
	}
}

/**
 * @brief 주어진 인자가 하나라도 defined되어 있지 않으면 false return
 **/
function isDef() {
	for(var i=0; i < arguments.length; ++i) {
		if(typeof(arguments[i]) == "undefined") return false;
	}
	return true;
}

/**
 * @brief 윈도우 오픈
 * 열려진 윈도우의 관리를 통해 window.focus()등을 FF에서도 비슷하게 구현함
 **/
var winopen_list = [];
function winopen(url, target, attribute) {
	if(typeof(xeVid)!='undefined' && url.indexOf(request_uri)>-1 && !url.getQuery('vid')) url = url.setQuery('vid',xeVid);
	try {
		if(target != "_blank" && winopen_list[target]) {
			winopen_list[target].close();
			winopen_list[target] = null;
		}
	} catch(e) {
	}

	if(typeof(target) == 'undefined') target = '_blank';
	if(typeof(attribute) == 'undefined') attribute = '';
	var win = window.open(url, target, attribute);
	win.focus();
	if(target != "_blank") winopen_list[target] = win;
}

/**
 * @brief 팝업으로만 띄우기
 * common/tpl/popup_layout.html이 요청되는 XE내의 팝업일 경우에 사용
 **/
function popopen(url, target) {
	if(typeof(target) == "undefined") target = "_blank";
	if(typeof(xeVid)!='undefined' && url.indexOf(request_uri)>-1 && !url.getQuery('vid')) url = url.setQuery('vid',xeVid);
	winopen(url, target, "width=800,height=600,scrollbars=yes,resizable=yes,toolbars=no");
}

/**
 * @brief 메일 보내기용
 **/
function sendMailTo(to) {
	location.href="mailto:"+to;
}

/**
 * @brief url이동 (open_window 값이 N 가 아니면 새창으로 띄움)
 **/
function move_url(url, open_window) {
	if(!url) return false;
	if(typeof(open_window) == 'undefined') open_window = 'N';
	if(open_window=='N') {
		open_window = false;
	} else {
		open_window = true;
	}

	if(/^\./.test(url)) url = request_uri+url;

	if(open_window) {
		winopen(url);
	} else {
		location.href=url;
	}

	return false;
}

/**
 * @brief 멀티미디어 출력용 (IE에서 플래쉬/동영상 주변에 점선 생김 방지용)
 **/
function displayMultimedia(src, width, height, options) {
	/*jslint evil: true */
	var html = _displayMultimedia(src, width, height, options);
	if(html) document.writeln(html);
}
function _displayMultimedia(src, width, height, options) {
	if(src.indexOf('files') === 0) src = request_uri + src;

	var defaults = {
		wmode : 'transparent',
		allowScriptAccess : 'never',
		quality : 'high',
		flashvars : '',
		autostart : false
	};

	var params = jQuery.extend(defaults, options || {});
	var autostart = (params.autostart && params.autostart != 'false') ? 'true' : 'false';
	delete(params.autostart);

	var clsid = "";
	var codebase = "";
	var html = "";

	if(/\.(gif|jpg|jpeg|bmp|png)$/i.test(src)){
		html = '<img src="'+src+'" width="'+width+'" height="'+height+'" />';
	} else if(/\.flv$/i.test(src) || /\.mov$/i.test(src) || /\.moov$/i.test(src) || /\.m4v$/i.test(src)) {
		html = '<embed src="'+request_uri+'common/img/flvplayer.swf" allowfullscreen="true" allowscriptaccess="never" autostart="'+autostart+'" width="'+width+'" height="'+height+'" flashvars="&file='+src+'&width='+width+'&height='+height+'&autostart='+autostart+'" wmode="'+params.wmode+'" />';
	} else if(/\.swf/i.test(src)) {
		clsid = 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000';

		if(typeof(enforce_ssl)!='undefined' && enforce_ssl){ codebase = "https://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0"; }
		else { codebase = "http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0"; }
		html = '<object classid="'+clsid+'" codebase="'+codebase+'" width="'+width+'" height="'+height+'" flashvars="'+params.flashvars+'">';
		html += '<param name="movie" value="'+src+'" />';
		for(var name in params) {
			if(params[name] != 'undefined' && params[name] !== '') {
				html += '<param name="'+name+'" value="'+params[name]+'" />';
			}
		}
		html += '' + '<embed src="'+src+'" allowscriptaccess="never" autostart="'+autostart+'"  width="'+width+'" height="'+height+'" flashvars="'+params.flashvars+'" wmode="'+params.wmode+'"></embed>' + '</object>';
	}  else {
		if (jQuery.browser.mozilla || jQuery.browser.opera) {
			// firefox and opera uses 0 or 1 for autostart parameter.
			autostart = (params.autostart && params.autostart != 'false') ? '1' : '0';
		}

		html = '<embed src="'+src+'" allowscriptaccess="never" autostart="'+autostart+'" width="'+width+'" height="'+height+'"';
		if(params.wmode == 'transparent') {
			html += ' windowlessvideo="1"';
		}
		html += '></embed>';
	}
	return html;
}

/**
 * @brief 에디터에서 사용되는 내용 여닫는 코드 (고정, zbxe용)
 **/
function zbxe_folder_open(id) {
	jQuery("#folder_open_"+id).hide();
	jQuery("#folder_close_"+id).show();
	jQuery("#folder_"+id).show();
}
function zbxe_folder_close(id) {
	jQuery("#folder_open_"+id).show();
	jQuery("#folder_close_"+id).hide();
	jQuery("#folder_"+id).hide();
}

/**
 * @brief 팝업의 경우 내용에 맞춰 현 윈도우의 크기를 조절해줌
 * 팝업의 내용에 맞게 크기를 늘리는 것은... 쉽게 되지는 않음.. ㅡ.ㅜ
 * popup_layout 에서 window.onload 시 자동 요청됨.
 **/
function setFixedPopupSize() {
	var $ = jQuery, $win = $(window), $pc = $('body>.popup'), w, h, dw, dh, offset;

	offset = $pc.css({overflow:'scroll'}).offset();

	w = $pc.width(10).height(10000).get(0).scrollWidth + offset.left*2;
	h = $pc.height(10).width(10000).get(0).scrollHeight + offset.top*2;

	if(w < 800) w = 800 + offset.left*2;

	dw = $win.width();
	dh = $win.height();

	if(w != dw) window.resizeBy(w - dw, 0);
	if(h != dh) window.resizeBy(0, h - dh);

	$pc.width(w-offset.left*2).css({overflow:'',height:''});
}

/**
 * @brief 추천/비추천,스크랩,신고기능등 특정 srl에 대한 특정 module/action을 호출하는 함수
 **/
function doCallModuleAction(module, action, target_srl) {
	var params = {
		target_srl : target_srl,
		cur_mid    : current_mid,
		mid        : current_mid
	};
	exec_xml(module, action, params, completeCallModuleAction);
}

function completeCallModuleAction(ret_obj, response_tags) {
	if(ret_obj.message!='success') alert(ret_obj.message);
	location.reload();
}

function completeMessage(ret_obj) {
	alert(ret_obj.message);
	location.reload();
}



/* 언어코드 (lang_type) 쿠키값 변경 */
function doChangeLangType(obj) {
	if(typeof(obj) == "string") {
		setLangType(obj);
	} else {
		var val = obj.options[obj.selectedIndex].value;
		setLangType(val);
	}
	location.href = location.href.setQuery('l', '');
}
function setLangType(lang_type) {
	var expire = new Date();
	expire.setTime(expire.getTime()+ (7000 * 24 * 3600000));
	setCookie('lang_type', lang_type, expire, '/');
}

/* 미리보기 */
function doDocumentPreview(obj) {
	var fo_obj = obj;
	while(fo_obj.nodeName != "FORM") {
		fo_obj = fo_obj.parentNode;
	}
	if(fo_obj.nodeName != "FORM") return;
	var editor_sequence = fo_obj.getAttribute('editor_sequence');

	var content = editorGetContent(editor_sequence);

	var win = window.open("", "previewDocument","toolbars=no,width=700px;height=800px,scrollbars=yes,resizable=yes");

	var dummy_obj = jQuery("#previewDocument");

	if(!dummy_obj.length) {
		jQuery(
			'<form id="previewDocument" target="previewDocument" method="post" action="'+request_uri+'">'+
			'<input type="hidden" name="module" value="document" />'+
			'<input type="hidden" name="act" value="dispDocumentPreview" />'+
			'<input type="hidden" name="content" />'+
			'</form>'
		).appendTo(document.body);

		dummy_obj = jQuery("#previewDocument")[0];
	} else {
		dummy_obj = dummy_obj[0];
	}

	if(dummy_obj) {
		dummy_obj.content.value = content;
		dummy_obj.submit();
	}
}

/* 게시글 저장 */
function doDocumentSave(obj) {
	var editor_sequence = obj.form.getAttribute('editor_sequence');
	var prev_content = editorRelKeys[editor_sequence].content.value;
	if(typeof(editor_sequence)!='undefined' && editor_sequence && typeof(editorRelKeys)!='undefined' && typeof(editorGetContent)=='function') {
		var content = editorGetContent(editor_sequence);
		editorRelKeys[editor_sequence].content.value = content;
	}

	var params={}, responses=['error','message','document_srl'], elms=obj.form.elements, data=jQuery(obj.form).serializeArray();
	jQuery.each(data, function(i, field){
		var val = jQuery.trim(field.value);
		if(!val) return true;
		if(/\[\]$/.test(field.name)) field.name = field.name.replace(/\[\]$/, '');
		if(params[field.name]) params[field.name] += '|@|'+val;
		else params[field.name] = field.value;
	});

	exec_xml('document','procDocumentTempSave', params, completeDocumentSave, responses, params, obj.form);

	editorRelKeys[editor_sequence].content.value = prev_content;
	return false;
}

function completeDocumentSave(ret_obj) {
	jQuery('input[name=document_srl]').eq(0).val(ret_obj.document_srl);
	alert(ret_obj.message);
}

/* 저장된 게시글 불러오기 */
var objForSavedDoc = null;
function doDocumentLoad(obj) {
	// 저장된 게시글 목록 불러오기
	objForSavedDoc = obj.form;
	popopen(request_uri.setQuery('module','document').setQuery('act','dispTempSavedList'));
}

/* 저장된 게시글의 선택 */
function doDocumentSelect(document_srl, module) {
	if(!opener || !opener.objForSavedDoc) {
		window.close();
		return;
	}

	if(module===undefined) {
		module = 'document';
	}

	// 게시글을 가져와서 등록하기
	switch(module) {
		case 'page' :
			var url = opener.current_url;
			url = url.setQuery('document_srl', document_srl);

			if(url.getQuery('act') === 'dispPageAdminMobileContentModify')
			{
				url = url.setQuery('act', 'dispPageAdminMobileContentModify');
			}
			else
			{
				url = url.setQuery('act', 'dispPageAdminContentModify');
			}
			opener.location.href = url;
			break;
		default :
			opener.location.href = opener.current_url.setQuery('document_srl', document_srl).setQuery('act', 'dispBoardWrite');
			break;
	}
	window.close();
}


/* 스킨 정보 */
function viewSkinInfo(module, skin) {
	popopen("./?module=module&act=dispModuleSkinInfo&selected_module="+module+"&skin="+skin, 'SkinInfo');
}


/* 관리자가 문서를 관리하기 위해서 선택시 세션에 넣음 */
var addedDocument = [];
function doAddDocumentCart(obj) {
	var srl = obj.value;
	addedDocument[addedDocument.length] = srl;
	setTimeout(function() { callAddDocumentCart(addedDocument.length); }, 100);
}

function callAddDocumentCart(document_length) {
	if(addedDocument.length<1 || document_length != addedDocument.length) return;
	var params = [];
	params.srls = addedDocument.join(",");
	exec_xml("document","procDocumentAddCart", params, null);
	addedDocument = [];
}

/* ff의 rgb(a,b,c)를 #... 로 변경 */
function transRGB2Hex(value) {
	if(!value) return value;
	if(value.indexOf('#') > -1) return value.replace(/^#/, '');

	if(value.toLowerCase().indexOf('rgb') < 0) return value;
	value = value.replace(/^rgb\(/i, '').replace(/\)$/, '');
	value_list = value.split(',');

	var hex = '';
	for(var i = 0; i < value_list.length; i++) {
		var color = parseInt(value_list[i], 10).toString(16);
		if(color.length == 1) color = '0'+color;
		hex += color;
	}
	return hex;
}

/* 보안 로그인 모드로 전환 */
function toggleSecuritySignIn() {
	var href = location.href;
	if(/https:\/\//i.test(href)) location.href = href.replace(/^https/i,'http');
	else location.href = href.replace(/^http/i,'https');
}

function reloadDocument() {
	location.reload();
}


/**
*
* Base64 encode / decode
* http://www.webtoolkit.info/
*
**/

var Base64 = {

	// private property
	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

	// public method for encoding
	encode : function (input) {
		var output = "";
		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
		var i = 0;

		input = Base64._utf8_encode(input);

		while (i < input.length) {

			chr1 = input.charCodeAt(i++);
			chr2 = input.charCodeAt(i++);
			chr3 = input.charCodeAt(i++);

			enc1 = chr1 >> 2;
			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
			enc4 = chr3 & 63;

			if (isNaN(chr2)) {
				enc3 = enc4 = 64;
			} else if (isNaN(chr3)) {
				enc4 = 64;
			}

			output = output +
			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

		}

		return output;
	},

	// public method for decoding
	decode : function (input) {
		var output = "";
		var chr1, chr2, chr3;
		var enc1, enc2, enc3, enc4;
		var i = 0;

		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

		while (i < input.length) {
			enc1 = this._keyStr.indexOf(input.charAt(i++));
			enc2 = this._keyStr.indexOf(input.charAt(i++));
			enc3 = this._keyStr.indexOf(input.charAt(i++));
			enc4 = this._keyStr.indexOf(input.charAt(i++));

			chr1 = (enc1 << 2) | (enc2 >> 4);
			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
			chr3 = ((enc3 & 3) << 6) | enc4;

			output = output + String.fromCharCode(chr1);

			if (enc3 != 64) {
				output = output + String.fromCharCode(chr2);
			}
			if (enc4 != 64) {
				output = output + String.fromCharCode(chr3);
			}
		}

		output = Base64._utf8_decode(output);

		return output;

	},

	// private method for UTF-8 encoding
	_utf8_encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {
			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}
		}

		return utftext;
	},

	// private method for UTF-8 decoding
	_utf8_decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = 0, c1 = 0, c2 = 0, c3 = 0;

		while ( i < utftext.length ) {
			c = utftext.charCodeAt(i);

			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}
		}

		return string;
	}
};






/* ----------------------------------------------
 * DEPRECATED
 * 하위호환용으로 남겨 놓음
 * ------------------------------------------- */

if(typeof(resizeImageContents) == 'undefined') {
	window.resizeImageContents = function() {};
}

if(typeof(activateOptionDisabled) == 'undefined') {
	window.activateOptionDisabled = function() {};
}

objectExtend = jQuery.extend;

/**
 * @brief 특정 Element의 display 옵션 토글
 **/
function toggleDisplay(objId) {
	jQuery('#'+objId).toggle();
}

/**
 * @brief 에디터에서 사용하되 내용 여닫는 코드 (zb5beta beta 호환용으로 남겨 놓음)
 **/
function svc_folder_open(id) {
	jQuery("#_folder_open_"+id).hide();
	jQuery("#_folder_close_"+id).show();
	jQuery("#_folder_"+id).show();
}
function svc_folder_close(id) {
	jQuery("#_folder_open_"+id).show();
	jQuery("#_folder_close_"+id).hide();
	jQuery("#_folder_"+id).hide();
}

/**
 * @brief 날짜 선택 (달력 열기)
 **/
function open_calendar(fo_id, day_str, callback_func) {
	if(typeof(day_str)=="undefined") day_str = "";

	var url = "./common/tpl/calendar.php?";
	if(fo_id) url+="fo_id="+fo_id;
	if(day_str) url+="&day_str="+day_str;
	if(callback_func) url+="&callback_func="+callback_func;

	popopen(url, 'Calendar');
}

var loaded_popup_menus = XE.loaded_popup_menus;
function createPopupMenu() {}
function chkPopupMenu() {}
function displayPopupMenu(ret_obj, response_tags, params) {
	XE.displayPopupMenu(ret_obj, response_tags, params);
}

function GetObjLeft(obj) {
	return jQuery(obj).offset().left;
}
function GetObjTop(obj) {
	return jQuery(obj).offset().top;
}

function replaceOuterHTML(obj, html) {
	jQuery(obj).replaceWith(html);
}

function getOuterHTML(obj) {
	return jQuery(obj).html().trim();
}

function setCookie(name, value, expire, path) {
	var s_cookie = name + "=" + escape(value) +
		((!expire) ? "" : ("; expires=" + expire.toGMTString())) +
		"; path=" + ((!path) ? "/" : path);

	document.cookie = s_cookie;
}

function getCookie(name) {
	var match = document.cookie.match(new RegExp(name+'=(.*?)(?:;|$)'));
	if(match) return unescape(match[1]);
}

function is_def(v) {
	return (typeof(v)!='undefined');
}

function ucfirst(str) {
	return str.charAt(0).toUpperCase() + str.slice(1);
}

function get_by_id(id) {
	return document.getElementById(id);
}

jQuery(function($){
	// display popup menu that contains member actions and document actions
	$(document).on('click', function(evt) {
		var $area = $('#popup_menu_area');
		if(!$area.length) $area = $('<div id="popup_menu_area" tabindex="0" style="display:none;z-index:9999" />').appendTo(document.body);

		// 이전에 호출되었을지 모르는 팝업메뉴 숨김
		$area.hide();

		var $target = $(evt.target).filter('a,div,span');
		if(!$target.length) $target = $(evt.target).closest('a,div,span');
		if(!$target.length) return;

		// 객체의 className값을 구함
		var cls = $target.attr('class'), match;
		if(cls) match = cls.match(new RegExp('(?:^| )((document|comment|member)_([1-9]\\d*))(?: |$)',''));
		if(!match) return;

		// mobile에서 touchstart에 의한 동작 시 pageX, pageY 위치를 구함
		if(evt.pageX===undefined || evt.pageY===undefined)
		{
			var touch = evt.originalEvent.touches[0];
			if(touch!==undefined || !touch)
			{
				touch = evt.originalEvent.changedTouches[0];
			}
			evt.pageX = touch.pageX;
			evt.pageY = touch.pageY;
		}

		var action = 'get'+ucfirst(match[2])+'Menu';
		var params = {
			mid        : current_mid,
			cur_mid    : current_mid,
			menu_id    : match[1],
			target_srl : match[3],
			cur_act    : current_url.getQuery('act'),
			page_x     : evt.pageX,
			page_y     : evt.pageY
		};
		var response_tags = 'error message menus'.split(' ');

		// prevent default action
		evt.preventDefault();
		evt.stopPropagation();

		if(is_def(window.xeVid)) params.vid = xeVid;
		if(is_def(XE.loaded_popup_menus[params.menu_id])) return XE.displayPopupMenu(params, response_tags, params);

		show_waiting_message = false;
		exec_xml('member', action, params, XE.displayPopupMenu, response_tags, params);
		show_waiting_message = true;
	});

	/**
	 * Create popup windows automatically.
	 * Find anchors that have the '_xe_popup' class, then add popup script to them.
	 */
	$('a._xe_popup').click(function(){
		var $this = $(this), name = $this.attr('name'), href = $this.attr('href'), win;

		if(!name) name = '_xe_popup_'+Math.floor(Math.random()*1000);

		win = window.open(href, name, 'left=10,top=10,width=10,height=10,resizable=no,scrollbars=no,toolbars=no');
		if(win) win.focus();

		// cancel default action
		return false;
	});

	// date picker default settings
	if($.datepicker) {
		$.datepicker.setDefaults({
			dateFormat : 'yy-mm-dd'
		});
	}
});