var Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}

/*** 기본 함수 ***/
function $(o){ return document.getElementById(o); }
function evalJSON(str){ return eval('(' + str + ')'); }
function getInnerText(o){ return o.textContent ? o.textContent : o.innerText; }

/*** 이벤트 추가 ***/
function bindEvent(element, event, callback){
	if (element.addEventListener) element.addEventListener(event, callback, false); 
	else if (element.attachEvent) element.attachEvent("on" + event, callback);
}

/*** 플래시 보정 ***/
function embed(src,width,height,vars){
	document.write('\
	<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" WIDTH="'+width+'" HEIGHT="'+height+'">\
	<PARAM NAME=movie VALUE="'+src+'">\
	<PARAM NAME=quality VALUE=high>\
	<PARAM NAME=wmode VALUE=transparent>\
	<PARAM NAME=bgcolor VALUE=#FFFFFF>\
	<PARAM NAME=allowScriptAccess VALUE="always">\
	<param name=flashvars value="' + vars + '">\
	<EMBED src="'+src+'" quality=high bgcolor=#FFFFFF wmode=transparent allowScriptAccess=always WIDTH="'+width+'" HEIGHT="'+height+'" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer" flashvars="' + vars + '"></EMBED>\
	</OBJECT>\
	');
}

/*** 콤마 출력 ***/
function comma(x){
	var temp = "", co = 3;
	var x = String(uncomma(x));
	var num_len = x.length;
	while (num_len>0){
		num_len = num_len - co;
		if (num_len<0){
			co = num_len + co;
			num_len = 0;
		}
		temp = ","+x.substr(num_len,co)+temp;
	}
	return temp.substr(1);
}

/*** 콤마 미출력 ***/
function uncomma(x){
	var reg = /(,)*/g;
	x = parseInt(String(x).replace(reg,""),10);
	return (isNaN(x)) ? 0 : x;
}

/*** 우편번호 팝업 ***/
function popupZipcode(robj1,robj2){
	window.open('/module/zipcode.php?robj1='+robj1+'&robj2='+robj2,'','width=400,height=350,scrollbars=0');
}

/*** 쿠키 ***/
function getCookie( name ){
	var nameOfCookie = name + "=";
	var x = 0;
	while ( x <= document.cookie.length ){
		var y = (x+nameOfCookie.length);
		if ( document.cookie.substring( x, y ) == nameOfCookie ) {
			if ( (endOfCookie=document.cookie.indexOf( ";", y )) == -1 )
			endOfCookie = document.cookie.length;
			return unescape( document.cookie.substring( y, endOfCookie ) );
		}
		x = document.cookie.indexOf( " ", x ) + 1;
		if ( x == 0 ) break;
	}
	return "";
}

function setCookie (name, value) { 
	var argv = setCookie.arguments;
	var argc = setCookie.arguments.length;
	var expires = (2 < argc) ? argv[2] : null;
	var path = (3 < argc) ? argv[3] : null;
	var domain = (4 < argc) ? argv[4] : null;
	var secure = (5 < argc) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) + ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + ((path == null) ? "" : ("; path=" + path)) + ((domain == null) ? "" : ("; domain=" + domain)) + ((secure == true) ? "; secure" : "");
}

/*** 체크박스 일괄 변경 ***/
function chkrev(El,mode) {
	if (!El) return;
	if (typeof(mode)=="undefined") mode = "rev";
	if (typeof(El)!="object") El = document.getElementsByName(El);
	for (i=0;i<El.length;i++){
		El[i].checked = (mode=='rev') ? !El[i].checked : mode;
		if (El[i].disabled) El[i].checked = false;
	}
}

function isChked(El,msg) {
	if (!El) return;
	if (typeof(El)!="object") El = document.getElementsByName(El);
	if (El) for (i=0;i<El.length;i++) if (El[i].checked) var isChked = true;
	if (isChked) return (msg) ? confirm(msg) : true;
	else {
		alert ("선택된 사항이 없습니다");
		return false;
	}
}

/*** iframe 높이조절 ***/
function resizeHeight(obj) {
	var frbody = obj.contentWindow.document.body;
	obj.style.height = frbody.scrollHeight + ( frbody.offsetHeight - frbody.clientHeight + 30);
}

/*** SMS 관련 함수 ***/
function chkByte(str){
	var length = 0;
	for(var i = 0; i < str.length; i++){
		if(escape(str.charAt(i)).length >= 4) length += 2;
		else if(escape(str.charAt(i)) != "%0D") length++;
	}
	return length;
}

function strCut(str, max_length){
	var str, msg;
	var length = 0;
	var tmp;
	var count = 0;
	length = str.length;

	for (var i = 0; i < length; i++){
		tmp = str.charAt(i);
		if(escape(tmp).length > 4) count += 2;
		else if(escape(tmp) != "%0D") count++;
		if(count > max_length) break;
	}
	return str.substring(0, i);
}

function chkSmsByte(obj){
	var str = obj.value;
	var span = obj.parentNode.getElementsByTagName('span')[0];
	span.innerHTML = chkByte(str);
	if (chkByte(str)>80){
		alert("80byte까지만 입력이 가능합니다");
		obj.value = strCut(str,80);
		span.innerHTML = chkByte(obj.value);
	}
}

function dconfirm(){ return confirm("정말로 삭제하시겠습니까?"); }