/*********************************************
»ç¿ë¹ý
<script language="javascript" src="chk.js"></script>
<!-- Æû °Ë»ç ½ºÅ©¸³Æ®¸¦ ¸Þ¸ð¸®¿¡ ºÒ·¯¿É´Ï´Ù -->

<form name="test" action="script.php" method="post" onSubmit="return validate(this)">
Æнº¿öµå   : <input type="password" name="passwd" match="passwd2" hname="Æнº¿öµå" required> 
µµ¸ÞÀÎÁÖ¼Ò: http://www.<input type="text" name="domain" option="domain"><br>
................
</form> 
<!-- °Ë»çÇÒ Æû ű×ÀÇ onsubmit À̺¥Æ®¿¡ return chkform(this) ¶ó°í ±â¼úÇÕ´Ï´Ù -->


* ÆÄÀϸí: lib.validate.js
* ±â´É: À¯¿¬ÇÑ ÀÚµ¿ Æû °Ë»ç±â
* ¸¸µçÀÌ: °ÅÄ£¸¶·ç <comfuture@maniacamp.com>
* ¼ö  Á¤: Àü¿µ±Ô <jeon@needok.com>
* ³¯Â¥: 2002-10-01
* == change log ==
* 2003-10-02 ¿©·¯Ä­À¸·Î ³ª´²Áø Ç׸ñ¿¡ ´ëÇÑ °Ë»ç±â´É Ãß°¡
* 2003-10-02 Æнº¿öµåµî µÎ°³ Ç׸ñ¿¡ ´ëÇÑ ºñ±³ ±â´É Ãß°¡
* 2003-10-03 jeon. ±æÀÌÁ¦Çѹæ¹ý º¯°æ, ÆÐÅÏüũ º¯°æ
**********************************************/

/// ¿¡·¯¸Þ½ÃÁö Æ÷¸ä Á¤ÀÇ ///
var NO_BLANK = "{name+Àº´Â} ÇʼöÇ׸ñÀÔ´Ï´Ù";
var NOT_VALID = "{name+ÀÌ°¡} ¿Ã¹Ù¸£Áö ¾Ê½À´Ï´Ù";
// var TOO_LONG = "{name}ÀÇ ±æÀÌ°¡ ÃÊ°úµÇ¾ú½À´Ï´Ù (ÃÖ´ë {maxbyte}¹ÙÀÌÆ®)";

/// ½ºÆ®¸µ °´Ã¼¿¡ ¸Þ¼Òµå Ãß°¡ ///
String.prototype.trim = function(str) { 
    str = this != window ? this : str; 
    return str.replace(/^\s+/g,'').replace(/\s+$/g,''); 
}

String.prototype.hasFinalConsonant = function(str) {
    str = this != window ? this : str; 
    var strTemp = str.substr(str.length-1);
    return ((strTemp.charCodeAt(0)-16)%28!=0);
}

String.prototype.bytes = function(str) {
    str = this != window ? this : str;
    var len = 0; //bug. ÀÌ ÇÑÁÙ¶§¹®¿¡ °í»ýÀ».. ³Ö¾îÁÖ¼¼¿ä. -_-;; 
    for(j=0; j<str.length; j++) {
        var chr = str.charAt(j);
        len += (chr.charCodeAt() > 128) ? 2 : 1
    }
    return len;
}

function validate(form) {
    for (i = 0; i < form.elements.length; i++ ) {
        var el = form.elements[i];
        if (el.tagName == "FIELDSET") continue;
        el.value = el.value.trim();

        var fs = el.getAttribute("FS");
        var minbyte = null;
        var maxbyte = null;
        var option = el.getAttribute("OPTION");
        var match = el.getAttribute("MATCH");
        var glue = el.getAttribute('GLUE');

        if(fs != null) {
            minbyte = fs.split("_")[0];
            maxbyte = fs.split("_")[1];
        }
/*
        if (el.getAttribute("REQUIRED") != null) {
            if (el.value == null || el.value == "") {
                return doError(el,NO_BLANK);
            }
        }
*/        
        
	if (el.getAttribute("REQUIRED") != null) {
		if (el.type.toLowerCase() == "radio" || el.type.toLowerCase() == "checkbox") {
			if(!chkRadio(this,el)) return doError(el,NO_BLANK);
		}
		if (el.value == null || el.value == "") {
			return doError(el,NO_BLANK);
		}
	}
        
        
        
        
        
        
        
        
        
        

        if (minbyte != null) {
            if (el.value.bytes() < parseInt(minbyte)) {
                return doError(el,"{name+Àº´Â} ÃÖ¼Ò "+minbyte+"¹ÙÀÌÆ® ÀÌ»ó ÀÔ·ÂÇØ¾ß ÇÕ´Ï´Ù.");
            }
        }

        if (maxbyte != null && el.value != "") {
            var len = 0;
            if (el.value.bytes() > parseInt(maxbyte)) {
                return doError(el,"{name}ÀÇ ±æÀÌ´Â ÃÖ´ë "+maxbyte+"¹ÙÀÌÆ® ÀÔ´Ï´Ù.");
            }
        }

        if (match && (el.value != form.elements[match].value)) return doError(el,"{name+ÀÌ°¡} ÀÏÄ¡ÇÏÁö ¾Ê½À´Ï´Ù");

        if (option != null && el.value != "") {
            if (el.getAttribute('SPAN') != null) {
                var _value = new Array();
                for (span=0; span<el.getAttribute('SPAN');span++ ) {
                    _value[span] = form.elements[i+span].value;
                }
                var value = _value.join(glue == null ? '' : glue);
                if (!funcs[option](el,value)) return false;
            } else {
                if (!funcs[option](el)) return false;
            }
        }
    }
    return true;
}

function josa(str,tail) {
    return (str.hasFinalConsonant()) ? tail.substring(0,1) : tail.substring(1,2);
}

function doError(el,type,action) {
    var pattern = /{([a-zA-Z0-9_]+)\+?([°¡-Èþ]{2})?}/;
    var name = (hname = el.getAttribute("HNAME")) ? hname : el.getAttribute("NAME");
    pattern.exec(type);
    var tail = (RegExp.$2) ? josa(eval(RegExp.$1),RegExp.$2) : "";
    alert(type.replace(pattern,eval(RegExp.$1) + tail));
    if (action == "sel") {
        el.select();
    } else if (action == "del")    {
        el.value = "";
    }
    el.focus();
    return false;
}    

/// Ư¼ö ÆÐÅÏ °Ë»ç ÇÔ¼ö ¸ÅÇÎ ///
/// Id, Num, Eng, Han.
var funcs = new Array();

funcs['Id']     = onlyId;             //    /^[a-zA-Z]{1}[a-zA-Z0-9_]+$/_
funcs['Num']     = onlyNum;            //    /^[0-9]+$/
funcs['Eng']     = onlyEng;              //    /^[a-zA-Z]+$/
funcs['EngNum'] = onlyEngNum;        //    /^[a-zA-Z0-9]+$/
funcs['Han']     = onlyHan;            //    /^[°¡-ÆR]+$/
funcs['HanEng']    = onlyHanEng;        //    /^[°¡-ÆRa-zA-Z]+$/
funcs['HanEngNum']    = onlyHanEngNum;//    /^[°¡-ÆRa-zA-Z0-9]+$/
funcs['HanNum']    = onlyHanNum;        //    /^[°¡-ÆR0-9]+$/
funcs['Han1']    = onlyHan1;        //    ¹Ýµå½Ã ÇÑ±Û Æ÷ÇÔ

funcs['email'] = isValidEmail;
funcs['phone'] = isValidPhone;
funcs['jumin'] = isValidJumin;
funcs['bizno'] = isValidBizNo;
funcs['domain'] = isValidDomain;

/// ÆÐÅÏ °Ë»ç ÇÔ¼öµé ///
function onlyId(el) {
    var pattern = /^[a-zA-Z]{1}[a-zA-Z0-9_]+$/;
    return (pattern.test(el.value)) ? true : doError(el,"{name+Àº´Â} ù±ÛÀÚ¸¦ ¿µ¹®À¸·Î ½ÃÀÛÇؾßÇÏ°í,\n ±× ÀÌÈÄ¿¡´Â ¿µ¹®,¼ýÀÚ, _ ¹®ÀÚ¸¸ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù");
}
function onlyNum(el) {
    var pattern = /^[0-9]+$/;
    return (pattern.test(el.value)) ? true : doError(el,"{name+Àº´Â} ¹Ýµå½Ã ¼ýÀڷθ¸ ÀÔ·ÂÇØ¾ß ÇÕ´Ï´Ù");
}

function onlyEng(el) {
    var pattern = /^[a-zA-Z]+$/;
    return (pattern.test(el.value)) ? true : doError(el,"{name+Àº´Â} ¹Ýµå½Ã ¿µ¹®Àڷθ¸ ÀÔ·ÂÇØ¾ß ÇÕ´Ï´Ù");
}
function onlyEngNum(el) {
    var pattern = /^[a-zA-Z0-9]+$/;
    return (pattern.test(el.value)) ? true : doError(el,"{name+Àº´Â} ¹Ýµå½Ã ¿µ¹®ÀÚ,¼ýÀڷθ¸ ÀÔ·ÂÇØ¾ß ÇÕ´Ï´Ù");
}
function onlyHan(el) {
    var pattern = /^[°¡-ÆR]+$/;
    return (pattern.test(el.value)) ? true : doError(el,"{name+Àº´Â} ¹Ýµå½Ã Çѱ۷θ¸ ÀÔ·ÂÇØ¾ß ÇÕ´Ï´Ù");
}
function onlyHanEng(el) {
    var pattern = /^[°¡-ÆRa-zA-Z]+$/;
    return (pattern.test(el.value)) ? true : doError(el,"{name+Àº´Â} ¹Ýµå½Ã ÇѱÛ,¿µ¹®Àڷθ¸ ÀÔ·ÂÇØ¾ß ÇÕ´Ï´Ù");
}
function onlyHanEngNum(el) {
    var pattern = /^[°¡-ÆRa-zA-Z0-9]+$/;
    return (pattern.test(el.value)) ? true : doError(el,"{name+Àº´Â} ¹Ýµå½Ã ÇѱÛ,¿µ¹®ÀÚ,¼ýÀڷθ¸ ÀÔ·ÂÇØ¾ß ÇÕ´Ï´Ù");
}

function onlyHanNum(el) {
    var pattern = /^[°¡-ÆR0-9]+$/;
    return (pattern.test(el.value)) ? true : doError(el,"{name+Àº´Â} ¹Ýµå½Ã ÇѱÛ,¼ýÀڷθ¸ ÀÔ·ÂÇØ¾ß ÇÕ´Ï´Ù");
}

function onlyHan1(el) {
    var pattern = /[°¡-Èþ]/;
    return (pattern.test(el.value)) ? true : doError(el,"{name+Àº´Â} ¹Ýµå½Ã ÇѱÛÀ» Æ÷ÇÔÇØ¾ß ÇÕ´Ï´Ù");
}

function isValidEmail(el,value) {
    var value = value ? value : el.value;
    var pattern = /^[_a-zA-Z0-9-\.]+@[\.a-zA-Z0-9-]+\.[a-zA-Z]+$/;
    return (pattern.test(value)) ? true : doError(el,NOT_VALID);
}
function isValidPhone(el,value) {
    var pattern = /^([0]{1}[0-9]{1,2})-?([1-9]{1}[0-9]{2,3})-?([0-9]{4})$/;
    var num = value ? value : el.value;
    if (pattern.exec(num)) {
        if(RegExp.$1 == "011" || RegExp.$1 == "016" || RegExp.$1 == "017" || RegExp.$1 == "018" || RegExp.$1 == "019") {
            if (!el.getAttribute('SPAN')) el.value = RegExp.$1 + "-" + RegExp.$2 + "-" + RegExp.$3;
        }
        return true;
    } else {
        return doError(el,NOT_VALID);
    }
}
function isValidJumin(el,value) {
    var pattern = /^([0-9]{6})-?([0-9]{7})$/; 
    var num = value ? value : el.value;
    if (!pattern.test(num)) return doError(el,NOT_VALID); 
    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 doError(el,NOT_VALID);
        sum += (num.charCodeAt(i) - 0x30) * (bases.charCodeAt(i) - 0x30);
    }
    var mod = sum % 11;
    return ((11 - mod) % 10 == last) ? true : doError(el,NOT_VALID);
}



function isValidBizNo(el, value) { 
    var pattern = /([0-9]{3})-?([0-9]{2})-?([0-9]{5})/; 
    var num = value ? value : el.value;
    if (!pattern.test(num)) return doError(el,NOT_VALID); 
    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 : doError(el,NOT_VALID); 
}

function isValidDomain(el) {
    var pattern = /^.+(\.[a-zA-Z]{2,3})$/;
    return (pattern.test(el.value)) ? true : doError(el,NOT_VALID);
}


function chkRadio(str){
    for (j=0;j<str.length;j++) {
        if (str[j].checked) return true
    }
    return false; 
} 


/*
function isValidDomain(el,value) {
    var value = value ? value : el.value;
    var pattern = new RegExp("^(http://)?(www\.)?([°¡-Èþa-zA-Z0-9-]+\.[a-zA-Z]{2,3}$)","i");
    if (pattern.test(value)) {
        el.value = RegExp.$3;
        return true;
    } else {
        return doError(el,NOT_VALID);
    }
}
*/