//----------------------------------------------------------------------------------
// FORM Control Javascript
// By ÀüÃ¢ÈÆ
//----------------------------------------------------------------------------------

var strAlpha = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
var strNumber = '1234567890';
var isNetscape = window.netscape;

// form º¯¼ö¿¡ °ªÀ» ¼³Á¤ÇÑ´Ù.
// ex) setValue(document.frmReg, 'addr1', 'xxx'); <-- document.frmReg ÆûÀÇ addr1 º¯¼ö¿¡ °ªÀ» ¼³Á¤
// ex) setValue('frmReg', 'addr1', 'xxx'); <-- document.frmRegÆûÀÇ addr1º¯¼ö¿¡ °ªÀ» ¼³Á¤
// ex) setValue(0, 'addr1', 'xxx'); <-- document.forms[0] ÆûÀÇ addr1º¯¼ö¿¡ °ªÀ» ¼³Á¤
// ex) setValue('addr1', 'xxx');  <-- ¸ðµç Æû Áß¿¡¼­ addr1 º¯¼ö¿¡ °ªÀ» ¼³Á¤
function setValue(form, name, value) {
	var obj;

	if (value != null)  {
		obj = getElementObject(form, name);
	} else {
		obj = getElementObject(form);
		value = name;
	}

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

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);
}

// form º¯¼öÀÇ °ªÀ» ±¸ÇÑ´Ù.
// ex) getValue(document.frmReg, 'addr1'); <-- document.frmRegÆûÀÇ addr1º¯¼ö¸¦ Á¶È¸
// ex) getValue('frmReg', 'addr1'); <-- document.frmRegÆûÀÇ addr1º¯¼ö¸¦ Á¶È¸
// ex) getValue(0, 'addr1'); <-- document.forms[0] ÆûÀÇ addr1º¯¼ö¸¦ Á¶È¸
// ex) getValue('addr1') <--- ¸ðµç Æû Áß¿¡¼­ addr1 º¯¼ö¸¦ Á¶È¸
function getValue(obj, name)
{
	obj = getElementObject(obj, name);

	if (obj != null)
	{
		var typeName = obj.type;

		if (typeName == "text") { return obj.value; }
		else if (typeName == "password") { return obj.value; }
		else if (typeName == "hidden") { return obj.value; }
		else if (typeName == "file") { return obj.value; }
		else if (typeName == "textarea") { return obj.value; }
		else if (typeName == "checkbox") { return obj.checked ? obj.value : ""; }
		else if (typeName == "radio") { return getRadioValue(obj); }
		else if (typeName == "select-one") {
			if (obj.selectedIndex < 0) return null;
			var opt = obj.options[obj.selectedIndex];
			return (opt.value == null) ? opt.text : opt.value;
		}
//		else if (typeName == "select-multiple") { alert("not support"); }
		else if (typeName == "button") {  }
		else { alert("getValue: not support type: " + typeName + ", key = " + obj.name); }
	}
	return null;
}



// Æû º¯¼ö¸¦ Ã£´Â´Ù.
// getElementObject(document.frmReg, 'addr1')  <-- document.frmRegÆûÀÇ addr1º¯¼ö °´Ã¼¸¦ ¹ÝÈ¯
// getElementObject('addr1') <-- ¸ðµç Æû Áß¿¡¼­ addr1ÀÌ¶ó´Â º¯¼ö °´Ã¼¸¦ Ã£´Â´Ù
function getElementObject(form, name) {
    if (name == null) {
        if (form.type != null) return form;
        for (var i = 0; i < document.forms.length; i++) {
            var obj = getElementObject(document.forms[i], form);
            if (obj != null) return obj;
        }
    }

	var nForm = document.forms[form];
    var pForm = (nForm != null) ? nForm : form;

    if (pForm.elements) {
	    var obj = pForm.elements[name];
	    if (obj != null && obj.name == name) return obj;
    }

    try {
	    for (var i = 0; i < pForm.elements.length; i++) {
	        if (pForm.elements[i].name == name) {
	            return pForm.elements[i];
	        }
	    }
    } catch (e) {
    	// alert('ÇØ´ç ¿ä¼Ò¸¦ Ã£À» ¼ö ¾ø½À´Ï´Ù : ' + pForm);
    }

    return null;
}


// ÆûÀÇ ¶óµð¿À º¯¼ö °ªÀ» ±¸ÇÑ´Ù . by accplus
function getRadioValue(obj, needObject) {
    // array·Î ½ÃµµÇØ º¸°í
    if (!(needObject != null && needObject))
        for (var i = 0; i < obj.length; i++)
            if (obj[i].checked)
                return obj[i].value;

    // ¾ÈµÇ¸é ÆûÀ» ÁË´Ù Ã£´Â´Ù
    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 != null && needObject) ? tmpObj : tmpObj.value;
    }
    return null;
}

// Radio º¯¼ö °ªÀ» ÁöÁ¤ÇÑ´Ù.
function setRadioValue(obj, value) {
    // array·Î ½ÃµµÇØ º¸°í
    for (var i = 0; i < obj.length; i++) {
        if (obj[i].value == value) {
            obj[i].checked = true;
            return true;
        }
    }

    // ¾ÈµÇ¸é ÆûÀ» ´Ù Ã£´Â´Ù
    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 º¯¼ö °ªÀ» ÁöÁ¤ÇÑ´Ù.
function setSelectOneValue(object, value) {

    for (var i = 0; i < object.length; i++) {
        var text = object.options[i].value;
        if (text == null || text == "")
            text = object.options[i].text;

        if (text == value) {
            object.selectedIndex = i;
			return;
        }
    }
}

function showFlash(src, id, width, height, transparent,keyArray,valueArray) {
	var st = makeFlash8(src, id, width, height, transparent,keyArray,valueArray);
	document.write(st);
}

function showObject(classid, codebase, width, height, keyValuesArray) {
	document.write('<OBJECT classid="clsid:' + classid + '" WIDTH="' + width + '" HEIGHT="' + height + '" codebase="' + codebase + '">');
	for (var i = 0; i < keyValuesArray.length; i++) {
		var key = keyValuesArray[i][0];
		var value = keyValuesArray[i][1];
		document.write('<param name="' + key + '" value="' + value + '">');
	}
	document.write('</OBJECT>');
}

function makeFlash8(s,d,w,h,t,k,v) {
    var flashvars = "";
    if(k != null && v != null && k.length > 0 && k.length == v.length) {
        for(var i = 0; i < k.length; i++) {
            if(i > 0) { flashvars += "&"; }
            flashvars += k[i] + "=" + v[i];
        }
    }

    var code = "";
    code  = "<object type=\"application/x-shockwave-flash\" ";
    code +=         "classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" ";
    code +=         "codebase=\"http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0\" ";
    code +=         "width=\""+w+"\" height=\""+h+"\" id=\""+d+"\">";
    code += "<param name=\"movie\" value=\""+s+"\" />";
    code += "<param name=\"quality\" value=\"high\" />";
    code += "<param name=\"wmode\" value=\""+t+"\" />";
    code += "<param name=\"menu\" value=\"false\" />";
    code += "<param name=\"allowScriptAccess\" value=\"always\" />";
    code += "<param name=\"swliveconnect\" value=\"true\" />";

    if(flashvars.length > 0) {
        code += "<param name=\"FlashVars\" value=\""+flashvars+"\" />";
    }

    code += "<embed src=\""+s+"\" quality=\"high\" "
    code +=        "wmode=\""+t+"\" "
    code +=        "menu=\"false\" width=\""+w+"\" height=\""+h+"\" "
    code +=        "type=\"application/x-shockwave-flash\" "

    if(flashvars.length > 0) {
        code +=    "FlashVars=\""+flashvars+"\" ";
    }

    code +=        "pluginspage=\"http://www.macromedia.com/go/getflashplayer\"> "
    code += "</embed>"
    code += "</object>"

    return code;
}

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 sectCookie(v) {
    setCookie("sectCookie", v, 0);
}

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 "";
}

// ÃÖ¼Ò ±æÀÌ ¹× ÃÖ´ë±æÀÌ ±×¸®°í Çã¿ë°¡´ÉÇÑ ¹®ÀÚ¸¦ Ã¼Å©ÇÑ´Ù. by accplus
//
//   	var Alpha = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
//      var Digit = '1234567890'
//
//	if (Tcheck(f.ID, '¾ÆÀÌµð', Alpha + Digit, 4, 8)) return false
//
function Tchk(target, cmt, astr, lmin, lmax, noRequired) {
	if (Tcheck(target, cmt, astr, lmin, lmax, noRequired)) throw "check";
}
function Tcheck(target, cmt, astr, lmin, lmax, noRequired) {
	var i;
	var t = trim(getValue(target));

	if (lmin == 0 && lmax == 0) {
		if (target.type == "select-one" && !noRequired) {
			if (target.selectedIndex <= lmin) {
				alert(cmt + '(À»)¸¦ ¼±ÅÃÇÏ¼Å¾ß ÇÕ´Ï´Ù');
				target.focus();
				return true;
			}
			return false;
		} else if (target.type == "radio") {
			if (isEmpty(t) && !noRequired) {
				alert(cmt + '(À»)¸¦ ¼±ÅÃÇÏ¼Å¾ß ÇÕ´Ï´Ù');
				target.focus();
				return true;
			}
			return false;
		}
		if (isEmpty(t)) {
			alert(cmt + '(À»)¸¦ ÀÔ·ÂÇÏ¼Å¾ß ÇÕ´Ï´Ù');
			if (target.type != "hidden") target.focus();
			return true;
		}
	} else if ((lmin > 0 && lengthb(t)) < lmin || (lmax > 0 && lengthb(t) > lmax)) {
		if (isEmpty(t)) {
			if (!noRequired) alert(cmt + '(À»)¸¦ ÀÔ·ÂÇÏ¼Å¾ß ÇÕ´Ï´Ù');
			else return false;
		} else if (lmin == lmax) alert(cmt + '(Àº)´Â ' + lmin + ' Byte ·Î ÀÔ·ÂÇÏ¼Å¾ß ÇÕ´Ï´Ù');
		else {
			if (lmin > 0 && lmax > 0) alert(cmt + '´Â ' + lmin + ' ~ ' + lmax + ' Byte ÀÌ³»·Î ÀÔ·ÂÇÏ¼Å¾ß ÇÕ´Ï´Ù');
			else if (lmin > 0) alert(cmt + '´Â ' + lmin + ' Byte º¸´Ù ¸¹ÀÌ ÀÔ·ÂÇÏ¼Å¾ß ÇÕ´Ï´Ù');
			else alert(cmt + '´Â ' + lmax + ' Byte ÀÌ³»·Î ÀÔ·ÂÇÏ¼Å¾ß ÇÕ´Ï´Ù');
		}
		if (target.type != "hidden") target.focus();
		return true
	}

	if (isNotEmpty(astr)) {
		for (i=0; i<t.length; i++)
			if(astr.indexOf(t.substring(i,i+1))<0) {
				alert(cmt + '¿¡ Çã¿ëÇÒ ¼ö ¾ø´Â ¹®ÀÚ°¡ ÀÔ·ÂµÇ¾ú½À´Ï´Ù');
				target.focus()
				return true
			}
	}
	return false
}


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 : "ÇÊ¼ö »çÇ× ÀÔ´Ï´Ù.",
        requirenum:"ÀÌ Ç×¸ñµé Áß¿¡ {requirenum}°³ ÀÌ»óÀÇ Ç×¸ñÀÌ ÀÔ·ÂµÇ¾î¾ß ÇÕ´Ï´Ù.",
        notequal : "ÀÔ·ÂµÈ ³»¿ëÀÌ ÀÏÄ¡ÇÏÁö ¾Ê½À´Ï´Ù.",
        invalid  : "ÀÔ·ÂµÈ ³»¿ëÀÌ Çü½Ä¿¡ ¾î±ß³³´Ï´Ù.",
        eqbyte  : "ÀÔ·ÂµÈ ³»¿ëÀÇ ±æÀÌ°¡ {eqbyte}Byte ÀÌ¾î¾ß ÇÕ´Ï´Ù.",
        minbyte  : "ÀÔ·ÂµÈ ³»¿ëÀÇ ±æÀÌ°¡ {minbyte}Byte ÀÌ»óÀÌ¾î¾ß ÇÕ´Ï´Ù.",
        maxbyte  : "ÀÔ·ÂµÈ ³»¿ëÀÇ ±æÀÌ°¡ {maxbyte}Byte¸¦ ÃÊ°úÇÒ ¼ö ¾ø½À´Ï´Ù.",
        mincheck : "{mincheck}°³ÀÇ Ç×¸ñÀÌ»óÀ¸·Î ¼±ÅÃÇÏ¼¼¿ä.",
        maxcheck : "{maxcheck}°³ÀÇ Ç×¸ñÀÌÇÏ·Î ¼±ÅÃÇÏ¼¼¿ä.",
        minselect: "{minselect}°³ÀÇ Ç×¸ñÀÌ»óÀ¸·Î ¼±ÅÃÇÏ¼¼¿ä.",
        maxselect: "{maxselect}°³ÀÇ Ç×¸ñÀÌÇÏ·Î ¼±ÅÃÇÏ¼¼¿ä.",
        imageonly: "ÀÌ¹ÌÁö ÆÄÀÏ¸¸ Ã·ºÎÇÒ ¼ö ÀÖ½À´Ï´Ù."
    }
    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 && match != "" && 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 +"\'Àº(´Â) "+ 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 = /^[\.°¡-ÆRa-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 = /[°¡-Èþ]/;
    return pattern.test(el.value) ? true : "¹Ýµå½Ã ÇÑ±ÛÀ» Æ÷ÇÔÇØ¾ß ÇÕ´Ï´Ù";
}

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 : "¹Ýµå½Ã ¼ýÀÚ·Î¸¸ ÀÔ·ÂÇØ¾ß ÇÕ´Ï´Ù";
}

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 : "4ÀÚÀÌ»ó 12ÀÚ ¹Ì¸¸À¸·Î ÀÔ·ÂÇÏ½Ê½Ã¿À.\n   - ¿µ¹®, ¼ýÀÚ, _ ¹®ÀÚ¸¸ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù";
}



// ½ºÆ®¸µÀÇ ¹ÙÀÌÆ® ¼ö¸¦ ¸®ÅÏÇÑ´Ù. (¸ÖÆ¼¹ÙÀÌÆ®(ÇÑ±Û)±æÀÌ Ã¼Å©¿ë)
//
// var len = lengthb("ÇÑ ±Û");	--> °á°ú = 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;
}

// Hash°´Ã¼¸¦ MergeÇÑ´Ù
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;
}

// formÀÇ °ªµéÀ» °´Ã¼·Î ¹ÝÈ¯ÇÑ´Ù
// ¸¸¾à value°¡ ¿©·¯°³ÀÎ °ªÀÌ ÀÖ´Ù¸é delimiter(±âº»ÄÄ¸¶)·Î ÇÕÄ£´Ù.
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;
}

function getElementValue(element) {
	var typeName = element.type;

	if (typeName == "text") { return element.value; }
	else if (typeName == "file") { return element.value; }
	else if (typeName == "password") { return element.value; }
	else if (typeName == "hidden") { return element.value; }
	else if (typeName == "textarea") { return element.value; }
	else if (typeName == "checkbox") { return element.checked ? element.value : null; }
	else if (typeName == "radio") { return element.checked ? element.value : null; }
	else if (typeName == "select-one") {
		if (element.selectedIndex < 0) return null;
		var opt = element.options[element.selectedIndex];
		return (opt.value == null) ? opt.text : opt.value;
	}
	else if (typeName == "button") {  }
	else if (isNotEmpty(typeName)) { alert("getFormData: not support type: " + typeName + ", key = " + element.name); }
}

// Ã¼Å©µÈ Ã¼Å©¹Ú½ºµéÀÇ °ªµéÀ» °¡Á®¿Â´Ù
// ex) getCheckboxValues(f1, "cuserid") == aaa,bb,ccc
function getCheckboxValues(form, fname, delimiter) {
	var ret = '';
	if (delimiter == null) delimiter = ",";
	for (var i = 0; i < form.elements.length; i++) {
		if (form.elements[i].name != fname) continue;
		var value = getElementValue(form.elements[i]);
		if (value != null) {
			ret = ret == '' ? value : ret + delimiter + value;
		}
	}
	return ret;
}

//½Ç½Ã°£ ÀÔ·ÂÃ¢¿¡ ÄÞ¸¶ Âï±â
function CheckComma(element) {
	var num = element.value;
	if (element.value.length >= 4) {
		re = /^$|,/g;
		num = num.replace(re, "");
		fl=""
		if(isNaN(num)) { alert("¹®ÀÚ´Â »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.");return 0}
		if(num==0) return num
		if(num<0) {
			num=num*(-1)
			fl="-"
		}
		else {
			num=num*1 //Ã³À½ ÀÔ·Â°ªÀÌ 0ºÎÅÍ ½ÃÀÛÇÒ¶§ ÀÌ°ÍÀ» Á¦°ÅÇÑ´Ù.
		}
		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);
	}
}

// ÁÖ¹Îµî·Ï¹øÈ£ Ã¼Å©
function checkRegno(regno) {
    var pattern = /^([0-9]{6})-?([0-9]{7})$/;
    var num = regno;
    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 false;;
        sum += (num.charCodeAt(i) - 0x30) * (bases.charCodeAt(i) - 0x30);
    }
    var mod = sum % 11;
    return (11 - mod) % 10 == last ? true : false;
}

// »ç¾÷ÀÚµî·Ï¹øÈ£ Ã¼Å©
function checkBizno(bizno) {
	var pattern = /([0-9]{3})-?([0-9]{2})-?([0-9]{5})/;
	var num = bizno
	if (!pattern.test(num)) return false;
    var chkRule = "137137135";
	var strCorpNum = RegExp.$1 + RegExp.$2 + RegExp.$3;
	var step1, step2, step3, step4, step5, step6, step7;
	step1 = 0;
	for (i=0; i<7; i++)
		step1 = step1 + (strCorpNum.substring(i, i+1) * chkRule.substring(i, i+1));
	step2 = step1 % 10;
	step3 = (strCorpNum.substring(7, 8) * chkRule.substring(7, 8)) % 10;
	step4 = strCorpNum.substring(8, 9) * chkRule.substring(8, 9);
	step5 = Math.round(step4 / 10 - 0.5);
	step6 = step4 - (step5 * 10);
	step7 = (10 - ((step2 + step3 + step5 + step6) % 10)) % 10;
	return strCorpNum.substring(9, 10) == step7;
}

// ÀÌ¸ÞÀÏ Ã¼Å©
function checkEmail(email) {
    var value = email;
    var pattern = /^[_a-zA-Z0-9-\.]+@[\.a-zA-Z0-9-]+\.[a-zA-Z]+$/;
    return pattern.test(value) ? true : false;
}

// Ã¼Å©¹Ú½º¸¦ ÀüÃ¼ ¼±ÅÃ/ÇØÁ¦ ÇÑ´Ù
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;
		}
	}
}

// Ã¼Å©¹Ú½º ¼³Á¤
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;
		}
	}
}

// Ã¼Å©¿©ºÎ Á¶È¸
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;
}
// Åä±Û¹× Á¶È¸
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;
}


var lastFocus = null;

//Æ÷Ä¿½º ÀÌµ¿
function nextFocus(obj, ev) {
	var fname = obj.name;
	var isShift = isShiftPress(ev);
	keyRelease(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 {
			next_obj.focus();
		} catch (e) {
			alert('¿À·ù!! : focus ½ÇÆÐ : name = ' + next_obj.name);
		}
	} else if (lastFocus != null) lastFocus();
}

// ´ÙÀ½ form ¿ä¼Ò¸¦ Ã£´Â´Ù
function next_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 < 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;
}

// ÀÌÀü form ¿ä¼Ò¸¦ Ã£´Â´Ù
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;
}

// ´­¸° Å°
function getKeyCode(ev) {
	return isNetscape ? ev.which : event.keyCode;
}
// ½ÃÇÁÆ®°¡ ´­·È³ª ?
function isShiftPress(ev) {
	return isNetscape ? ev.shiftKey : event.shiftKey;
}
// Å° ÀÔ·Â ¹«È¿È­
function keyRelease(ev) {
	if (isNetscape) ev.preventDefault();
	else event.returnValue = false;
}

// ¿£ÅÍÅ° Ã¼Å©
// »ç¿ë¹ý : onKeyDown="ckey(this,event)"
function ckey(obj, ev) {
	var fname = obj.name;
	var k = getKeyCode(ev);
	if (isNetscape) event = ev;
	var k = isNetscape ? event.which : event.keyCode;
	if (k == 9 || k == 13) {
		keyRelease(ev);
		if (typeof(cObj) != "undefined") {
			if (cObj(obj, k)) return;
		}
		nextFocus(obj, ev);
	}
}

// Ã¼Å© Æû
function cForm(form, fields) {
	if (cObj == null) return true;
	if (fields == null) {
		for (var i = 0; i < form.length; i ++) {
			if (cObj(form.elements[i])) return false;
		}
	} else {
		for (var i = 0; i < fields.length; i++) {
			if (cObj($FO(form, fields[i]))) return false;
		}
	}
	return true;
}

// ÀüÈ­¹øÈ£ ¸¶ÀÌ³Ê½º(-) ±âÈ£ Ãß°¡
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 (9ÀÚ¸®) ¼­¿ï(02)+±¹¹ø3ÀÚ¸®+¹øÈ£4ÀÚ¸®
		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 (10ÀÚ¸®) ÇÚµåÆùÅë½Å»ç ¶Ç´Â Áö¿ª¹øÈ£(¼­¿ïÁ¦¿Ü)(3ÀÚ¸®) + ±¹¹ø(3ÀÚ¸®)+¹øÈ£4ÀÚ¸®
			} else {
				obj.value = (obj.value).substring(0,3) + '-' + (obj.value).substring(3,6) + '-' + 	(obj.value).substring(6,10);
			}
		// sample : 016-1234-1234 (11ÀÚ¸®) ÇÚµåÆùÅë½Å»ç ¶Ç´Â Áö¿ª¹øÈ£(¼­¿ïÁ¦¿Ü)(3ÀÚ¸®) + ±¹¹ø(4ÀÚ¸®)+¹øÈ£4ÀÚ¸®
		} 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 ;
	}
}
