//----------------------------------------------------------------------------------
// FORM Control Javascript
// By 전창훈
//----------------------------------------------------------------------------------

var isNetscape = window.netscape;

__pattern = {
		email:	/^[_a-zA-Z0-9-\.]+@[\.a-zA-Z0-9-]+\.[a-zA-Z]+$/,
		email1:	/^[_a-zA-Z0-9-\.]+$/,
		email2:	/^[\.a-zA-Z0-9-]+\.[a-zA-Z]+$/,
		han:		/^[가-힝]*$/,
		eng:		/^[a-zA-Z\s]*$/,
		num:		/^[0-9]*$/,
		engnum:	/^[a-zA-Z]+[0-9a-zA-Z_]*$/
	};

function addLoadEvent(func) {
	var oldonload = window.onload;

	if (typeof func == 'function') {
		if (typeof window.onload != 'function') window.onload = func;
		else window.onload = function() { oldonload(); func(); }

	} else if (typeof func == 'string') {
		if (typeof window.onload != 'function') window.onload = eval(func);
		else window.onload = function() { oldonload(); eval(func); }
	}
}

//폼 변수를 찾는다.
//getElementObject(document.frmReg, 'addr1')  <-- document.frmReg폼의 addr1변수 객체를 반환
function getElementObject(form, name) {
	if (form == null) return null;
	if (form.elements) {
		var obj = form.elements[name];
		if (obj != null && obj.name == name) return obj;
	}
	try {
		for (var i = 0; i < form.length; i++)
			if (form.elements[i].name == name) return form.elements[i];
	} catch (e) {
		// alert('해당 요소를 찾을 수 없습니다 : ' + form);
	}
	return null;
}

// form 변수에 값을 설정한다.
// ex) setValue(document.frmReg, 'addr1', 'xxx'); <-- document.frmReg 폼의 addr1 변수에 값을 설정
function setValue(form, name, value) {
	var obj = getElementObject(form, name);
	if (obj == null || isEmpty(obj.type)) return null;

	switch (obj.type) {
	case "text": case "password": case "hidden":
	case "textarea":			obj.value = value;
	case "checkbox":		if (value != null) obj.checked = (obj.value == value); break;
	case "radio":				setRadioValue(obj, value); break;
	case "select-one":		setSelectOneValue(obj, value); break;
	case "file":
	case "submit":
	case "button":			break;
	default: alert("setValue: not support type: " + obj.type);
	}
}

//form 변수의 값을 구한다.
//ex) getValue(document.frmReg, 'addr1'); <-- document.frmReg폼의 addr1변수를 조회
//ex) getValue(document.frmReg.addr1); <-- addr1 object의 값을 조회
function getValue(obj, name) {
	if (name != null) obj = getElementObject(obj, name);
	else if (typeof(obj) == 'string') obj = getElementObject(obj);
	if (obj == null) return null;
	switch (obj.type) {
	case "text": case "password": case "hidden": case "file": case "select-one":
	case 'textarea':		return obj.value;
	case "checkbox":	return obj.checked ? obj.value : "";
	case "radio":			return getRadioValue(obj);
	case "submit":
	case "button":		return null;
	//default: if (isNotEmpty(obj.type)) { alert("getElementValue: not support type: " + obj.type + ", key = " + obj.name); }
	}
	return null;
}

// form element의 값을 구한다.
// getValue와는 checkbox,radio값을 가져오는 방식이 다르다.
function getElementValue(obj) {
	switch (obj.type) {
	case "text": case "file": case "password": case "hidden": case "select-one":
	case "textarea":		return obj.value;
	case "checkbox":
	case "radio":			return obj.checked ? obj.value : null;
	case "submit":
	case "button":		return null;
	//default: if (isNotEmpty(obj.type)) { alert("getElementValue: not support type: " + obj.type + ", key = " + obj.name); }
	}
	return null;
}


function $FS(obj, name, value) {
	return setValue(obj, name, value);
}

function $FV(obj, name) {
	return getValue(obj, name);
}

function $FO(obj, name) {
	return getElementObject(obj, name);
}



// 폼의 라디오 변수 값을 구한다 . by accplus
function getRadioValue(obj, needObject) {
    // array로 시도해 보고
    if (needObject == false)
        for (var i = 0; i < obj.length; i++)
            if (obj[i].checked)
                return obj[i].value;

    // 안되면 폼을 죄다 찾는다
    var pForm = obj.form;

    for (var i = 0; i < pForm.length; i++) {
        var tmpObj = pForm.elements[i];
        if (tmpObj.name == obj.name && tmpObj.type == "radio" && tmpObj.checked)
            return (needObject) ? tmpObj : tmpObj.value;
    }
    return null;
}

// Radio 변수 값을 지정한다.
function setRadioValue(obj, value) {
    // array로 시도해 보고
    for (var i = 0; i < obj.length; i++) {
        if (obj[i].value == value) {
            obj[i].checked = true;
            return true;
        }
    }

    // 안되면 폼을 다 찾는다
    var pForm = obj.form;

    for (var i = 0; i < pForm.length; i++) {
        var tmpObj = pForm.elements[i];
        if (tmpObj.name == obj.name && tmpObj.type == "radio" && tmpObj.value == value) {
            tmpObj.checked = true;
            return true;
        }
    }

    return false;
}

// select 변수 값을 지정한다.
function setSelectOneValue(object, value) {
    for (var i = 0; i < object.length; i++) {
    	var ovalue = object.options[i].value;
    	if (ovalue == null) ovalue = object.options[i].text;
        if (ovalue == value) {
            object.selectedIndex = i;
			return true;
        }
    }
    return false;
}

function trim(str) {
	return (str == null) ? "" : str.replace(/(^\s*)|(\s*$)/g, "");
}

function isNotEmpty(str) {
	return str != null && (""+str).length > 0;
}

function isEmpty(str) {
	return !isNotEmpty(str);
}


function setCookie(name, value, expiredays) {
    var todayDate = new Date();
    todayDate.setDate(todayDate.getDate() + expiredays);
	if(expiredays == 0)
	   document.cookie = name + "=" + escape(value) + "; path=/;"
	else
        document.cookie = name + "=" + escape(value) + "; path=/; expires=" + todayDate.toGMTString() + ";"
}

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 "";
}

// 최소 길이 및 최대길이 그리고 허용가능한 문자를 체크한다. by accplus
//	if (Tcheck(f.ID, '아이디', 4, 8, __pattern.userid)) return false
// lmin,lmax = 0,0 -- 패턴만 체크한다
// lmin,lmax = 1,0 -- 필수입력
function Tcheck(target, cmt, lmin, lmax, pattern, alertMessage) {
	var i;
	var value = trim(getValue(target));

	if ((lmin > 0 && lengthb(value)) < lmin || (lmax > 0 && lengthb(value) > lmax)) {
		if (isEmpty(value)) {
			var msg = (target.type == 'select-one' || target.type == 'radio') ? "선택" : "입력";
			alert(cmt + '(을)를 ' + msg + '하셔야 합니다');
		} else if (lmin == lmax) {
			alert(cmt + '(은)는 ' + lmin + ' Byte 로 입력하셔야 합니다');
		} else {
			if (lmin > 0 && lmax > 0) alert(cmt + '는 ' + lmin + ' ~ ' + lmax + ' Byte 이내로 입력하셔야 합니다');
			else if (lmin > 0) alert(cmt + '는 ' + lmin + ' Byte 보다 많이 입력하셔야 합니다');
			else alert(cmt + '는 ' + lmax + ' Byte 이내로 입력하셔야 합니다');
		}
		if (target.type != "hidden") target.focus();
		return false;
	}

	if (isNotEmpty(value) && pattern != null && pattern.test(value) == false) {
		var msg = cmt + '에 허용할 수 없는 문자가 입력되었거나 형식이 틀렸습니다';
		if (isNotEmpty(alertMessage)) msg += "\n\n" + alertMessage
		alert(msg);
		target.select();
		return false;
	}

	return true;
}

//체크 폼
function TcheckForm(form, fields) {
	if (cobj == null) return true;
	if (fields == null) {
		for (var i = 0; i < form.length; i++) {
			if (cobj(form.elements[i]) == false) return false;
		}
	} else {
		for (var i = 0; i < fields.length; i++) {
			if (cobj($FO(form, fields[i])) == false) return false;
		}
	}
	return true;
}

function TcheckFormSubmit(form, fields) {
	if (TcheckForm(form, fields) == false) return;
	form.submit();
}

//포커스 이동
function nextFocus(obj, ev) {
	var fname = obj.name;
	var isShift = isShiftPress(ev);

	var next_obj = isShift ? prev_element(obj) : next_element(obj);
	if (next_obj != null) {
		if (next_obj.type == "text" || next_obj.type == "password") next_obj.select();
		try {
			keyRelease(ev);
			next_obj.focus();
		} catch (e) {
			// alert('경고 : focus 실패 : name = ' + next_obj.name);
		}
	}
}

//다음 form 요소를 찾는다
function next_element(obj) {
	var f = obj.form;
	if (f == null) {
		alert("오류!! <form>태그가 없는듯 합니다.");
		return;
	}
	var next_obj = null;
	for (var i = 0; i < f.elements.length; i++) {
		if (obj != f.elements[i]) continue;
		for (var j = i+1; j < f.elements.length; j++) {
			next_obj = f.elements[j];
			if			(next_obj.name == obj.name) continue;
			else if	(next_obj.type == 'text' && next_obj.disabled == true) continue;
			else if	(next_obj.type == 'hidden') continue;
			else if	(next_obj.readOnly == true) continue;
			else if	(next_obj.type == 'radio') {
				var robj = getRadioValue(next_obj, true);
				if (robj != null) return robj;
			}
			return next_obj;
		}
	}
	return null;
}

//이전 form 요소를 찾는다
function prev_element(obj) {
	var f = obj.form;
	var next_obj = null;
	for (var i = 0; i < f.elements.length; i++) {
		if (obj != f.elements[i]) continue;
		for (var j = i-1; j >= 0; j--) {
			next_obj = f.elements[j];
			if (next_obj.name == obj.name) continue;
			else if (next_obj.type == 'text' && next_obj.disabled == true) continue;
			else if (next_obj.type == 'hidden') continue;
			else if (next_obj.readOnly == true) continue;
			else if (next_obj.type == 'radio') {
				var robj = getRadioValue(next_obj, true);
				if (robj != null) return robj;
			}
			return next_obj;
		}
	}
	return null;
}

//눌린 키
function getKeyCode(ev) {
	return isNetscape ? ev.which : event.keyCode;
}
//시프트가 눌렸나 ?
function isShiftPress(ev) {
	return isNetscape ? ev.shiftKey : event.shiftKey;
}
//키 입력 무효화
function keyRelease(ev) {
	if (isNetscape) ev.preventDefault();
	else event.returnValue = false;
}

//엔터키 체크
//사용법 : onKeyDown="ckey(this,event)"
//사용법 : onKeyDown="ckey(this,event,false)" -- 자동으로 다음포커스 기능을 끄고 싶을때
//사용법 : onKeyDown="ckey(this,event,function)" -- 지정한 함수를 호출
function ckey(obj, ev, nextAction, enterAction) {
	var fname = obj.name;
	var k = getKeyCode(ev);
	if (isNetscape) event = ev;
	var k = isNetscape ? event.which : event.keyCode;
	if (k == 9 || k == 13) {
		if (typeof(cobj) != "undefined" && !isShiftPress(ev)) {
			if (cobj(obj) == false) {
				keyRelease(ev);
				return;
			}
		}
		if (nextAction == null) {
			keyRelease(ev);

			if (k == 13 && enterAction != null) {
				if (typeof enterAction == 'function') enterAction(obj, ev);
				else if (typeof enterAction == 'string') eval(enterAction);
			}

			nextFocus(obj, ev);
		} else if (typeof nextAction == 'function') {
			keyRelease(ev);
			if( nextAction(obj, ev) == true) nextFocus(obj, ev);
		} else if (typeof nextAction == 'string') {
			keyRelease(ev);
			eval(nextAction);
		}
	}
}

// 해당 길이에 도달하면 자동으로 다음칸으로 이동한다
//사용법 : onKeyUp="autoNext(this,event,4)"
function autoNext(obj, ev, len) {
	if (obj.value.length >= len) nextFocus(obj, ev);
}



function checkResidentno(num) {
    var pattern = /^(\d{6})-?(\d{5}(\d{1})\d{1})$/;
    if (!pattern.test(num)) return false;
    num = RegExp.$1 + RegExp.$2;
    if (RegExp.$3 == 7 || RegExp.$3 == 8 || RegExp.$4 == 9)
        if ((num[7]*10 + num[8]) %2) return false;

    var sum = 0;
    var last = num.charCodeAt(12) - 0x30;
    var bases = "234567892345";
    for (var i=0; i<12; i++) {
        if (isNaN(num.substring(i,i+1))) return false;
        sum += (num.charCodeAt(i) - 0x30) * (bases.charCodeAt(i) - 0x30);
    }
    var mod = sum % 11;
    if(RegExp.$3 == 7 || RegExp.$3 == 8 || RegExp.$4 == 9)
        return (11 - mod + 2) % 10 == last ? true : false;
    else
        return (11 - mod) % 10 == last ? true : false;
}

function checkJumin(num) {
    var pattern = /^([0-9]{6})-?([0-9]{7})$/;
    if (!pattern.test(num)) return false;
    num = RegExp.$1 + RegExp.$2;

    var sum = 0;
    var last = num.charCodeAt(12) - 0x30;
    var bases = "234567892345";
    for (var i=0; i<12; i++) {
        if (isNaN(num.substring(i,i+1))) return false;
        sum += (num.charCodeAt(i) - 0x30) * (bases.charCodeAt(i) - 0x30);
    }
    var mod = sum % 11;
    return (11 - mod) % 10 == last ? true : false;
}

function checkForeignerno(num) {
    var pattern = /^(\d{6})-?(\d{5}[7-9]\d{1})$/;
    if (!pattern.test(num)) return false;
    num = RegExp.$1 + RegExp.$2;
    if ((num[7]*10 + num[8]) %2) return false;

    var sum = 0;
    var last = num.charCodeAt(12) - 0x30;
    var bases = "234567892345";
    for (var i=0; i<12; i++) {
        if (isNaN(num.substring(i,i+1))) return false;
        sum += (num.charCodeAt(i) - 0x30) * (bases.charCodeAt(i) - 0x30);
    }
    var mod = sum % 11;
    return (11 - mod + 2) % 10 == last ? true : false;
}

function checkBizno (num) {
    var pattern = /([0-9]{3})-?([0-9]{2})-?([0-9]{5})/;
    if (!pattern.test(num)) return false;
    num = RegExp.$1 + RegExp.$2 + RegExp.$3;
    var cVal = 0;
    for (var i=0; i<8; i++) {
        var cKeyNum = parseInt(((_tmp = i % 3) == 0) ? 1 : ( _tmp  == 1 ) ? 3 : 7);
        cVal += (parseFloat(num.substring(i,i+1)) * cKeyNum) % 10;
    }
    var li_temp = parseFloat(num.substring(i,i+1)) * 5 + "0";
    cVal += parseFloat(li_temp.substring(0,1)) + parseFloat(li_temp.substring(1,2));
    return parseInt(num.substring(9,10)) == 10-(cVal % 10)%10 ? true : false;
}

function checkPhone(num) {
    var pattern = /^(0[2-8][0-5]?|01[01346-9])-?([1-9]{1}[0-9]{2,3})-?([0-9]{4})$/;
    var pattern15xx = /^(1544|1566|1577|1588|1644|1688)-?([0-9]{4})$/;
    return pattern.exec(num) || pattern15xx.exec(num) ? true : false;
}

function checkHomePhone(num) {
    var pattern = /^(0[2-8][0-5]?)-?([1-9]{1}[0-9]{2,3})-?([0-9]{4})$/;
    var pattern15xx = /^(1544|1566|1577|1588|1644|1688)-?([0-9]{4})$/;
    return pattern.exec(num) || pattern15xx.exec(num) ? true : false;
}

function checkHp(num) {
    var pattern = /^(01[01346-9])-?([1-9]{1}[0-9]{2,3})-?([0-9]{4})$/;
    return pattern.exec(num) ? true : false;
}

function checkUserid(value) {
	var pattern = /^[a-zA-Z]{1}[a-zA-Z0-9_]{3,19}$/;
    return pattern.test(value) ? true : "4자이상 12자 미만으로 입력하십시오.\n   - 영문, 숫자, _ 문자만 사용할 수 있습니다";
}



// 스트링의 바이트 수를 리턴한다. (멀티바이트(한글)길이 체크용)
//
// var len = lengthb("한 글");	--> 결과 = 5
//
function lengthb(str) {
	if (str == null) return 0;
	var cnt = 0;
	for (var i=0; i<str.length; i++)
	{
		var c = str.substr(i,1);
		if (c.charCodeAt(0) > 127) cnt++;
		cnt++;
	}
	return cnt;
}

function length(str) {
	if (str == null) return 0;
	return str.length;
}

// Hash객체를 Merge한다
function merge(array1, array2) {
	var ret = {};
	for (var v in array1) { ret[v] = array1[v]; };
	for (var v in array2) { ret[v] = array2[v]; };
	return ret;
}

// form의 값들을 객체로 반환한다
// 만약 value가 여러개인 값이 있다면 delimiter(기본컴마)로 합친다.
function getFormData(form, delimiter) {
	var data = {};
	if (delimiter == null) delimiter = ",";

	for (var i = 0; i < form.elements.length; i++) {
		var key = form.elements[i].name;
		var value = getElementValue(form.elements[i]);
		if (value != null) {
			data[key] = data[key] == null ? value : data[key] + delimiter + value;
		}
	}

	return data;
}

//실시간 입력창에 콤마 찍기
function CheckComma(element) {
	var num = element.value;
	if (element.value.length >= 4) {
		re = /^$|,/g;
		num = num.replace(re, "");
		fl=""
		if(isNaN(num)) { alert("문자는 사용할 수 없습니다.");return 0}
		if(num==0) return num
		if(num<0) {
			num=num*(-1)
			fl="-"
		}
		else {
			num=num*1 //처음 입력값이 0부터 시작할때 이것을 제거한다.
		}
		num = new String(num)
		temp=""
		co=3
		num_len=num.length
		while (num_len>0) {
			num_len=num_len-co
			if(num_len<0) {co=num_len+co;num_len=0}
			temp=","+num.substr(num_len,co)+temp
		}
		element.value = fl + temp.substr(1);
	}
}

// 주민등록번호 체크
function checkRegno(regno) {
    var pattern = /^([0-9]{6})-?([0-9]{7})$/;
    var num = regno;
    if (!pattern.test(num)) return false;
    num = RegExp.$1 + RegExp.$2;

    var sum = 0;
    var last = num.charCodeAt(12) - 0x30;
    var bases = "234567892345";
    for (var i=0; i<12; i++) {
        if (isNaN(num.substring(i,i+1))) return false;;
        sum += (num.charCodeAt(i) - 0x30) * (bases.charCodeAt(i) - 0x30);
    }
    var mod = sum % 11;
    return (11 - mod) % 10 == last ? true : false;
}

// 체크박스를 전체 선택/해제 한다
function setCheckAll(form, name, check) {
	for (var i = 0; i < form.elements.length; i++) {
		var element = form.elements[i];
		if (element.name == name && element.type == "checkbox") {
			element.checked = check;
		}
	}
}

// 체크박스 설정
function setCheckbox(form, name, value, ischeck) {
	for (var i = 0; i < form.elements.length; i++) {
		var element = form.elements[i];
		if (element.type == 'checkbox' && element.name == name && element.value == value) {
			element.checked = ischeck;
		}
	}
}

// 체크여부 조회
function getCheckbox(form, name, value) {
	for (var i = 0; i < form.elements.length; i++) {
		var element = form.elements[i];
		if (element.type == 'checkbox' && element.name == name && element.value == value) {
			return element.checked;
		}
	}
	return false;
}

//체크된 체크박스들의 값들을 가져온다
//ex) getCheckboxValues(f1, "cuserid") == aaa,bb,ccc
function getCheckboxValues(form, name, delimiter, defaultValue) {
	if (delimiter == null) delimiter = ",";
	if (defaultValue == null) defaultValue = "";
	var ret = null;
	for (var i = 0; i < form.elements.length; i++) {
		var element = form.elements[i];
		if (element.type == 'checkbox' && element.name == name && element.checked) {
			ret = (ret == null) ? element.value : ret + delimiter + element.value;
		}
	}
	return ret == null ? defaultValue : ret;
}

function setCheckboxValues(form, name, values, delimiter) {
	if (delimiter == null) delimiter = ",";
	if (isEmpty(values)) values = "";

	var tmpArr = values.split(delimiter);
	var vdata = new Array();
	for(var i=0; i<tmpArr.length; i++)
		vdata[tmpArr[i]] = true;

	var ret = null;
	for (var i = 0; i < form.elements.length; i++) {
		var element = form.elements[i];
		if (element.type == 'checkbox' && element.name == name) {
			element.checked = vdata[element.value] == true ? true : false;
		}
	}
}

// 토글및 조회
function getCheckboxToggle(form, name, value) {
	for (var i = 0; i < form.elements.length; i++) {
		var element = form.elements[i];
		if (element.type == 'checkbox' && element.name == name && element.value == value) {
			element.checked = !element.checked;
			return element.checked;
		}
	}
	return false;
}


// 전화번호 마이너스(-) 기호 추가
function addMinus(obj) {
	var fname = obj.name;
	var e = isNotEmpty(obj.value);

	if (((e && fname == "tel") || (e && fname == "hp")) &&  (obj.value).indexOf("-") < 0) {
		// sample : 02-123-1234 (9자리) 서울(02)+국번3자리+번호4자리
		if ((obj.value).length == 9) {
				obj.value = (obj.value).substring(0,2) + '-' + (obj.value).substring(2,5) + '-' + 	(obj.value).substring(5,9);
		} else if ((obj.value).length == 10) {
			if ((obj.value).indexOf("02") == 0) {
				obj.value = (obj.value).substring(0,2) + '-' + (obj.value).substring(2,6) + '-' + 	(obj.value).substring(6,10);
			// sample : 016-123-1234 (10자리) 핸드폰통신사 또는 지역번호(서울제외)(3자리) + 국번(3자리)+번호4자리
			} else {
				obj.value = (obj.value).substring(0,3) + '-' + (obj.value).substring(3,6) + '-' + 	(obj.value).substring(6,10);
			}
		// sample : 016-1234-1234 (11자리) 핸드폰통신사 또는 지역번호(서울제외)(3자리) + 국번(4자리)+번호4자리
		} else if ((obj.value).length == 11) {
				obj.value = (obj.value).substring(0,3) + '-' + (obj.value).substring(3,7) + '-' + 	(obj.value).substring(7,11);
		}
	} else if (e && fname == "regno"  && (obj.value).indexOf("-") < 0) {
		obj.value = ((obj.value).length == 13) ? (obj.value).substring(0,6) + '-' + (obj.value).substring(6,13) : obj.value ;
	}
}

function prepareEditorData(form, name) {
	var oEditor = FCKeditorAPI.GetInstance(name);
	$FS(form, name, oEditor.GetXHTML())
}

function showEditor(name, attr, lang) {
	var buf = '';
	buf += '<div><span style="color: red">[주의!]</span> 개인정보보호와 관련한 피해를 방지하기 위하여 주민번호, 이메일주소, 연락처 등의 개인정보와<br/> 관련된 내용의 기입은 삼가해 주십시오.</div>';
	buf += '<input type="hidden" id="' + name + '" name="' + name + '" value="" />';
	buf += '<iframe id="' + name + '___Frame" frameborder="0" scrolling="no" ' + attr;
	buf += ' src="/fckeditor/editor/fckeditor.html?InstanceName=' + name + '&Toolbar=Default';
	if (lang != null) buf += '&lang=' + lang;
	buf += '"></iframe>';
	buf += '<div style="color: blue">* 공개글의 경우 개인정보를 타인이 열람할 수 있으므로 주의요망</div>';
	document.writeln(buf);
}



function openWin(url, name, width, height, attr){	//가운데창
	var left = (screen.width) ? (screen.width - width) / 2 : 0;
	var top = (screen.height) ? (screen.height - width) / 2 : 0;
	var buf = '';
	buf += ',width=' + width;
	buf += ',height=' + height;
	buf += ',top=' + top;
	buf += ',left=' + left;
	if (attr != null) buf += "," + attr;
	var win = window.open(url, name, buf);
	try {
		if (parseInt(navigator.appVersion) >= 4) win.window.focus();
		return win;
	} catch(e) {}
}


function comma(x) {
    var txtNumber = '' + x;
    if (isNaN(txtNumber) || txtNumber == "") {
	    alert("숫자만 입력 하세요");
    } else {
	    var rxSplit = new RegExp('([0-9])([0-9][0-9][0-9][,.])');
	    var arrNumber = txtNumber.split('.');
	    arrNumber[0] += '.';
	    do {
	    	arrNumber[0] = arrNumber[0].replace(rxSplit, '$1,$2');
	    } while (rxSplit.test(arrNumber[0]));
	    if (arrNumber.length > 1) {
	    	return arrNumber.join('');
	    } else {
	    	return arrNumber[0].split('.')[0];
	    }
    }
}

// ---------------------
// check form start

function checkForm(form, fields) {
    var lah = new FormChecker(form);
    if (fields) lah.setCheckFields(fields);
    var wmf = lah.go();
    if (wmf == false) {
		alert(lah.getErrorMessage());
	}
    return wmf;
}


FormChecker = function(form) {
    this.FUNC_MAP = {
        url     : "this.func_url",
		email     : "this.func_email",
		email1    : "this.func_email1",
		email2    : "this.func_email2",
        han        : "this.func_han",
        engonly   : "this.func_engonly",
        num       : "this.func_num",
        residentno: "this.func_residentno",
        jumin     : "this.func_jumin",
        foreignerno:"this.func_foreignerno",
        bizno     : "this.func_bizno",
        phone     : "this.func_phone",
        homephone : "this.func_homephone",
        handphone : "this.func_handphone",
        userid    : "this.func_userid"
    }
    this.ERR_MSG = {
        system   : "FormChecker Error: ",
		required : "필수 사항 입니다.",
        requirenum:"이 항목들 중에 {requirenum}개 이상의 항목이 입력되어야 합니다.",
        notequal : "입력된 내용이 일치하지 않습니다.",
        invalid  : "입력된 내용이 형식에 어긋납니다.",
        eqbyte  : "입력된 내용의 길이가 {eqbyte}Byte 이어야 합니다.",
        minbyte  : "입력된 내용의 길이가 {minbyte}Byte 이상이어야 합니다.",
        maxbyte  : "입력된 내용의 길이가 {maxbyte}Byte를 초과할 수 없습니다.",
        mincheck : "{mincheck}개의 항목이상으로 선택하세요.",
        maxcheck : "{maxcheck}개의 항목이하로 선택하세요.",
        minselect: "{minselect}개의 항목이상으로 선택하세요.",
        maxselect: "{maxselect}개의 항목이하로 선택하세요.",
        imageonly: "이미지 파일만 첨부할 수 있습니다."
    }
    this.ERR_DO = {
        text   : "select focus",
        select : "focus",
        check  : "focus",
        radio  : "focus",
        file   : "focus",
        hidden : ""
    }
    this.ERR_SYS = '_SYSERR_';
    this.fields = form.elements;
    this.form = form;
    this.errMsg = "";
}

FormChecker.prototype.setForm = function(form) {
    this.form = form;
}

FormChecker.prototype.setFunc = function(map, func) {
    if (typeof(this.FUNC_MAP[map]) == "string") return;
    this.FUNC_MAP[map] = func;
}

FormChecker.prototype.setCheckFields = function(fields) {
    this.fields = [];
    if(typeof(fields) == 'string')
        this.fields = [this.form.elements[fields]];
    else
        for(var i=0, s=fields.length; i<s; i++)
            this.fields[this.fields.length] = this.form.elements[fields[i]];
}

FormChecker.prototype.setUnCheckFields = function(fields) {
    this.fields = [];
    var _isUnCheckEl;

    if(typeof(fields) == 'string')
        fields = [fields];
    for (var i=0, s=this.form.elements.length; i<s; i++) {
        _isUnCheckEl = false;
        for (var j=0, t=fields.length; j<t; j++) {
            if (this.form.elements[i] == this.form.elements[fields[j]]) {
                _isUnCheckEl = true;
                break;
            }
        }
        if (!_isUnCheckEl) this.fields[this.fields.length] = this.form.elements[i];
    }
}

FormChecker.prototype.setParam = function(el, name, value) {
    el.setAttribute(name, value);
}

FormChecker.prototype.delParam = function(el, name) {
    el.removeAttribute(name);
}

FormChecker.prototype.go = function() {
    for (var i=0,s=this.fields.length; i<s; i++) {
        var el = this.fields[i];
        if (!this.isValidElement(el)) continue;

        var elType = this.getType(el);
        var trim = el.getAttribute("TRIM");
        var required = el.getAttribute("REQUIRED");
        var requirenum = el.getAttribute("REQUIRENUM");
        var eqbyte = parseInt(el.getAttribute("EQBYTE"),10);
        var minbyte = parseInt(el.getAttribute("MINBYTE"),10);
        var maxbyte = parseInt(el.getAttribute("MAXBYTE"),10);
        var mincheck = parseInt(el.getAttribute("MINCHECK"),10);
        var maxcheck = parseInt(el.getAttribute("MAXCHECK"),10);
        var minselect = parseInt(el.getAttribute("MINSELECT"),10);
        var maxselect = parseInt(el.getAttribute("MAXSELECT"),10);
        var option = el.getAttribute("OPTION");
        var match = el.getAttribute("MATCH");
        var span = el.getAttribute("SPAN");
        var glue = el.getAttribute("GLUE");
        var pattern = el.getAttribute("PATTERN");
        var imageonly = el.getAttribute("IMAGEONLY");

        if (trim != null && (elType == "text" || elType == "hidden" )) {
            switch (trim) {
            case "trim":
                el.value = el.value.replace(/^\s+/, "").replace(/\s+$/, "");
                break;
            case "compress":
                el.value = el.value.replace(/\s+/, "");
                break;
            case "ltrim":
                el.value = el.value.replace(/^\s+/, "");
                break;
            case "rtrim":
                el.value = el.value.replace(/\s+$/, "");
                break;
            }
        }

        var elEmpty = this.isEmpty(el, elType);

        if (required != null) {
            if (required == "required") {
                if (elEmpty) return this.raiseError(el, "required");
            } else {
                requirenum = parseInt(requirenum, 10);
                var _num = 0;
                var _name = [];
                if (requirenum > 0) {
                    for (var j=0; j<this.form.elements.length; j++) {
                        var _el = this.form.elements[j];
                        if (required == _el.getAttribute("REQUIRED")) {
                            if(!this.isEmpty(_el, this.getType(_el))) _num++;
                            _name[_name.length] = this.getName(_el);
                        }
                    }
                    if(_num < requirenum)
                        return this.raiseError(el, "requirenum", _name.join(", "));
                }
            }
        }
        if ((minbyte > 0 || maxbyte > 0) && (elType == "text" || elType == "hidden") && (required == "required" || el.value.length > 0)) {
            var _tmp = el.value;
            var _len = el.value.length;
            for (j=0; j<_tmp.length; j++) {
                if (_tmp.charCodeAt(j) > 128) _len++;
            }
            if (minbyte > 0 && _len < minbyte) return this.raiseError(el, "minbyte");
            if (maxbyte > 0 && _len > maxbyte) return this.raiseError(el, "maxbyte");
        }
        if (eqbyte > 0 && (elType == "text" || elType == "hidden") && (required == "required" || el.value.length > 0)) {
            var _tmp = el.value;
            var _len = el.value.length;
            for (j=0; j<_tmp.length; j++) {
                if (_tmp.charCodeAt(j) > 128) _len++;
            }
            if (eqbyte != _len) return this.raiseError(el, "eqbyte");
        }
        if (match != null && elType != "file") {
            if (typeof this.form.elements[match] == "undefined")
                return this.raiseError(this.ERR_SYS, "Element '"+ match +"' is not found. 1");
            else if (el.value != this.form.elements[match].value)
                return this.raiseError(el, "notequal");
        }
        if (option != null && !elEmpty && elType != "file") {
            var _options = option.split(" ");

			for (var j=0; j<_options.length; j++) {

                var _func = eval(this.FUNC_MAP[_options[j]]);

                if (span != null) {
                    var _value = [];
                    for (var k=0; k<parseInt(span,10); k++) {
                        try {
                            _value[k] = this.fields[i+k].value;
                        } catch (e) {
                            return this.raiseError(this.ERR_SYS,  (i+k) +"th Element is not found.");
                        }
                    }
                    try {
                        var _result = _func(el, _value.join(glue == null ? "" : glue));
                    } catch (e) {
                        return this.raiseError(this.ERR_SYS,  "function map '" + _options[j] +"' is not exist.");
                    }
                    if (_result !== true) return this.raiseError(el, _result);
                } else {
                    try {
                        var _result = _func(el);
                    } catch (e) {
                        return this.raiseError(this.ERR_SYS,  "function map '" + _options[j] +"' is not exist.");
                    }
                    if (_result !== true) return this.raiseError(el, _result);
                }
            }
        }
        if (pattern != null && !elEmpty && elType != "file") {
            try {
                pattern = new RegExp(pattern);
            } catch (e) {
                return this.raiseError(this.ERR_SYS, "Invalid Regular Expression '"+ pattern +"'");
            }
            if (!pattern.test(el.value)) return this.raiseError(el, "invalid");
        }
        if ((mincheck > 0 || maxcheck > 0) && elType == "check") {
            var _checks = this.form.elements[el.name];
            var _num = 0;
            if (typeof _checks.length != "undefined") {
                for (var j=0; j<_checks.length; j++) {
                    if (_checks[j].checked) _num++;
                }
            } else {
                if (_checks.checked) _num++;
            }
            if (mincheck > 0 && _num < mincheck) return this.raiseError(el, "mincheck");
            if (maxcheck > 0 && _num > maxcheck) return this.raiseError(el, "maxcheck");
        }
        if ((minselect > 0 || maxselect > 0) && elType == "multiselect") {
            var _num = 0;
            for (var j=0; j<el.options.length; j++) {
                if (el.options[j].selected) _num++;
            }
            if (minselect > 0 && _num < minselect) return this.raiseError(el, "minselect");
            if (maxselect > 0 && _num > maxselect) return this.raiseError(el, "maxselect");
        }
        if (imageonly != null && elType == "file") {
            var fn = el.value;
            if (fn != "") {
                var dotIndex = fn.lastIndexOf(".");
                var ext = fn.substring(dotIndex+1).toLowerCase();
                if(ext != "jpg" && ext != "jpeg" && ext != "gif" && ext != "png")
                    return this.raiseError(el, "imageonly");
            }
        }
    }
    return true;
}

FormChecker.prototype.isValidElement = function(el) {
    return el.name && el.tagName.match(/^input|select|textarea$/i) && !el.disabled;
}

FormChecker.prototype.isEmpty = function(el, type) {
    switch (type) {
    case "file": case "text": case "hidden":
        if (el.value == null || el.value == "") return true;
        break;
    case "select": case "multiselect":
        if (el.selectedIndex == -1 || el[el.selectedIndex].value == null ||
                el[el.selectedIndex].value == "")
            return true;
        break;
    case "check": case "radio":
        var elCheck = this.form.elements[el.name];
        var elChecked = false;
        if (typeof elCheck.length != "undefined") {
            for (var j=0; j<elCheck.length; j++) {
                if (elCheck[j].checked == true) elChecked = true;
            }
        } else {
            if (elCheck.checked == true) elChecked = true;
        }
        if (elChecked == false) return true;
        break;
    }
    return false;
}

FormChecker.prototype.getType = function(el) {
    switch (el.tagName.toLowerCase()) {
    case "select":
        return el.multiple == true ? "multiselect" : "select";
    case "textarea": return "text";
    case "input":
        switch (el.type.toLowerCase()) {
        case "radio": return "radio";
        case "checkbox": return "check";
        case "file": return "file";
        case "text": case "password": return "text";
        case "hidden": return "hidden";
        }
        break;
    }
}

FormChecker.prototype.raiseError = function(el, type, elName) {
    if (el == this.ERR_SYS) {
        this.errMsg = this.ERR_MSG["system"] + type;
        return false;
    }
    var pattern = /\{([a-zA-Z0-9_]+)\}/i;
    var msg = this.ERR_MSG[type] ? this.ERR_MSG[type] : type;
    var elType = this.getType(el);
    var elName = elName ? elName : this.getName(el);
    var errDo = el.getAttribute("ERRDO") ? el.getAttribute("ERRDO") : this.ERR_DO[elType];
    var _errDos = errDo ? errDo.split(" ") : [];

    if (el.getAttribute("ERRMSG") != null) msg = el.getAttribute("ERRMSG");
    if (pattern.test(msg) == true) {
        while (pattern.exec(msg)) msg = msg.replace(pattern, el.getAttribute(RegExp.$1));
    }
    for (var i in _errDos) {
    	try {
	        switch (_errDos[i]) {
	        case "delete": el.value = ""; break;
	        case "select": el.select(); break;
	        case "focus":  el.focus(); break;
	        }
		} catch (e) {}
    }
    this.errMsg = "\'"+ elName +"\'은(는) "+ msg +"\n";
    return false;
}

FormChecker.prototype.getErrorMessage = function() {
    return this.errMsg;
}

FormChecker.prototype.getName = function(el) {
    return el.getAttribute("HNAME") == null || el.getAttribute("HNAME") == ""
        ? el.name : el.getAttribute("HNAME");
}
/**
* validate functions
*/
FormChecker.prototype.func_url = function(el,value) {
    var value = value ? value : el.value;
    var pattern = /^[\.가-힣a-zA-Z0-9-]+\.[a-zA-Z]+$/;
    return pattern.test(value) ? true : "invalid";
}

FormChecker.prototype.func_email = function(el,value) {
    var value = value ? value : el.value;
    var pattern = /^[_a-zA-Z0-9-\.]+@[\.a-zA-Z0-9-]+\.[a-zA-Z]+$/;
    return pattern.test(value) ? true : "invalid";
}

FormChecker.prototype.func_email1 = function(el,value) {
    var value = value ? value : el.value;
    var pattern = /^[_a-zA-Z0-9-\.]+$/;
    return pattern.test(value) ? true : "invalid";
}

FormChecker.prototype.func_email2 = function(el,value) {
    var value = value ? value : el.value;
    var pattern = /^[\.a-zA-Z0-9-]+\.[a-zA-Z]+$/;
    return pattern.test(value) ? true : "invalid";
}

FormChecker.prototype.func_han = function(el) {
    var pattern = /[가-힝]/;
    return pattern.test(el.value) ? true : "반드시 한글을 포함해야 합니다";
}

FormChecker.prototype.func_engonly = function(el) {
    var pattern = /^[a-zA-Z]+$/;
    return pattern.test(el.value) ? true : "invalid";
}

FormChecker.prototype.func_num = function(el) {
    var pattern = /^[0-9]+$/;
    return pattern.test(el.value) ? true : "반드시 숫자로만 입력해야 합니다";
}

FormChecker.prototype.func_residentno = function(el,value) {
    var pattern = /^(\d{6})-?(\d{5}(\d{1})\d{1})$/;
    var num = value ? value : el.value;
    if (!pattern.test(num)) return "invalid";
    num = RegExp.$1 + RegExp.$2;
    if (RegExp.$3 == 7 || RegExp.$3 == 8 || RegExp.$4 == 9)
        if ((num[7]*10 + num[8]) %2) return "invalid";

    var sum = 0;
    var last = num.charCodeAt(12) - 0x30;
    var bases = "234567892345";
    for (var i=0; i<12; i++) {
        if (isNaN(num.substring(i,i+1))) return "invalid";
        sum += (num.charCodeAt(i) - 0x30) * (bases.charCodeAt(i) - 0x30);
    }
    var mod = sum % 11;
    if(RegExp.$3 == 7 || RegExp.$3 == 8 || RegExp.$4 == 9)
        return (11 - mod + 2) % 10 == last ? true : "invalid";
    else
        return (11 - mod) % 10 == last ? true : "invalid";
}

FormChecker.prototype.func_jumin = function(el,value) {
    var pattern = /^([0-9]{6})-?([0-9]{7})$/;
    var num = value ? value : el.value;
    if (!pattern.test(num)) return "invalid";
    num = RegExp.$1 + RegExp.$2;

    var sum = 0;
    var last = num.charCodeAt(12) - 0x30;
    var bases = "234567892345";
    for (var i=0; i<12; i++) {
        if (isNaN(num.substring(i,i+1))) return "invalid";
        sum += (num.charCodeAt(i) - 0x30) * (bases.charCodeAt(i) - 0x30);
    }
    var mod = sum % 11;
    return (11 - mod) % 10 == last ? true : "invalid";
}

FormChecker.prototype.func_foreignerno = function(el,value) {
    var pattern = /^(\d{6})-?(\d{5}[7-9]\d{1})$/;
    var num = value ? value : el.value;
    if (!pattern.test(num)) return "invalid";
    num = RegExp.$1 + RegExp.$2;
    if ((num[7]*10 + num[8]) %2) return "invalid";

    var sum = 0;
    var last = num.charCodeAt(12) - 0x30;
    var bases = "234567892345";
    for (var i=0; i<12; i++) {
        if (isNaN(num.substring(i,i+1))) return "invalid";
        sum += (num.charCodeAt(i) - 0x30) * (bases.charCodeAt(i) - 0x30);
    }
    var mod = sum % 11;
    return (11 - mod + 2) % 10 == last ? true : "invalid";
}

FormChecker.prototype.func_bizno = function(el,value) {
    var pattern = /([0-9]{3})-?([0-9]{2})-?([0-9]{5})/;
    var num = value ? value : el.value;
    if (!pattern.test(num)) return "invalid";
    num = RegExp.$1 + RegExp.$2 + RegExp.$3;
    var cVal = 0;
    for (var i=0; i<8; i++) {
        var cKeyNum = parseInt(((_tmp = i % 3) == 0) ? 1 : ( _tmp  == 1 ) ? 3 : 7);
        cVal += (parseFloat(num.substring(i,i+1)) * cKeyNum) % 10;
    }
    var li_temp = parseFloat(num.substring(i,i+1)) * 5 + "0";
    cVal += parseFloat(li_temp.substring(0,1)) + parseFloat(li_temp.substring(1,2));
    return parseInt(num.substring(9,10)) == 10-(cVal % 10)%10 ? true : "invalid";
}

FormChecker.prototype.func_phone = function(el,value) {
    var pattern = /^(0[2-8][0-5]?|01[01346-9])-?([1-9]{1}[0-9]{2,3})-?([0-9]{4})$/;
    var pattern15xx = /^(1544|1566|1577|1588|1644|1688)-?([0-9]{4})$/;
    var num = value ? value : el.value;
    return pattern.exec(num) || pattern15xx.exec(num) ? true : "invalid";
}

FormChecker.prototype.func_homephone = function(el,value) {
    var pattern = /^(0[2-8][0-5]?)-?([1-9]{1}[0-9]{2,3})-?([0-9]{4})$/;
    var pattern15xx = /^(1544|1566|1577|1588|1644|1688)-?([0-9]{4})$/;
    var num = value ? value : el.value;
    return pattern.exec(num) || pattern15xx.exec(num) ? true : "invalid";
}

FormChecker.prototype.func_handphone = function(el,value) {
    var pattern = /^(01[01346-9])-?([1-9]{1}[0-9]{2,3})-?([0-9]{4})$/;
    var num = value ? value : el.value;
    return pattern.exec(num) ? true : "invalid";
}

FormChecker.prototype.func_userid = function(el,value) {
    var pattern = /^[a-zA-Z]{1}[a-zA-Z0-9_]{3,19}$/;
    return pattern.test(el.value) ? true : "4자이상 12자 미만으로 입력하십시오.\n   - 영문, 숫자, _ 문자만 사용할 수 있습니다";
}

// ---- check form end
// ----------------------------



function checkDefaultIn(obj) {
	if (obj.value == obj.defaultValue) obj.value = '';
}

function checkDefaultOut(obj) {
	if (obj.value == '') obj.value = obj.defaultValue;
}


function getCenterPosition(nw, nh) {
	px = (screen.availWidth- nw) / 2;
	py = (screen.availHeight - nh) / 2;
	str = "width=" + nw + ",height=" + nh + ",top=" + py + ",left=" + px + ",status=no,dependent=no,scrollbars=vertical,resizable=no";
	return str;
}