/**
 * ÀÚ¹Ù½ºÅ©¸³Æ® °øÅëÇÔ¼ö
 */

/** 
 * string String::cut(int len)
 * ±ÛÀÚ¸¦ ¾Õ¿¡¼­ºÎÅÍ ¿øÇÏ´Â ¹ÙÀÌÆ®¸¸Å­ Àß¶ó ¸®ÅÏÇÕ´Ï´Ù.
 * ÇѱÛÀÇ °æ¿ì 2¹ÙÀÌÆ®·Î °è»êÇϸç, ±ÛÀÚ Áß°£¿¡¼­ À߸®Áö ¾Ê½À´Ï´Ù.
 */
String.prototype.cut = function(len) {
	var str = this;
	var l = 0;
	for (var i=0; i<str.length; i++) {
		l += (str.charCodeAt(i) > 128) ? 2 : 1;
		if (l > len) return str.substring(0,i) + "...";
	}
	return str;
}
/** 
 * string String::trim()
 * ±ÛÀÚ¸¦ ¾Õ µÚ °ø¹éÀ» »èÁ¦ ÇÕ´Ï´Ù.
 */
String.prototype.trim = function() { 
	var str = this;
	str = this != window ? this : str; 
	return str.replace(/^\s+/g,'').replace(/\s+$/g,''); 
}
 
/** 
 * bool String::bytes(void)
 * Çش罺Ʈ¸µÀÇ ¹ÙÀÌÆ®´ÜÀ§ ±æÀ̸¦ ¸®ÅÏÇÕ´Ï´Ù. (±âÁ¸ÀÇ length ¼Ó¼ºÀº 2¹ÙÀÌÆ® ¹®ÀÚ¸¦ ÇѱÛÀÚ·Î °£ÁÖÇÕ´Ï´Ù)
 */
String.prototype.bytes = function() {
	var str = this;
	var l = 0;
	for (var i=0; i<str.length; i++) l += (str.charCodeAt(i) > 128) ? 2 : 1;
	return l;
}

/**
 * ÀԷ°ªÀÌ NULLÀÎÁö üũ
 */
function isNull(value) {
    if (value == null || value == "") {
        return true;
    }
    return false;
}

/**
 * ÀԷ°ª¿¡ ½ºÆäÀ̽º ÀÌ¿ÜÀÇ ÀǹÌÀÖ´Â °ªÀÌ ÀÖ´ÂÁö üũ
 * ex) if (isEmpty(form.keyword)) {
 *         alert("°Ë»öÁ¶°ÇÀ» ÀÔ·ÂÇϼ¼¿ä.");
 *     }
 */
function isEmpty(value) {
    if (value == null || value.replace(/ /gi,"") == "") {
        return true;
    }
    return false;
}

/**
 * ÀԷ°ª¿¡ ƯÁ¤ ¹®ÀÚ(chars)°¡ ÀÖ´ÂÁö üũ
 * ƯÁ¤ ¹®ÀÚ¸¦ Çã¿ëÇÏÁö ¾ÊÀ¸·Á ÇÒ ¶§ »ç¿ë
 * ex) if (containsChars(form.name,"!,*&^%$#@~;")) {
 *         alert("À̸§ Çʵ忡´Â Ư¼ö ¹®ÀÚ¸¦ »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.");
 *     }
 */
function containsChars(value,chars) {
    for (var inx = 0; inx < value.length; inx++) {
       if (chars.indexOf(value.charAt(inx)) != -1)
           return true;
    }
    return false;
}

/**
 * ÀԷ°ªÀÌ Æ¯Á¤ ¹®ÀÚ(chars)¸¸À¸·Î µÇ¾îÀÖ´ÂÁö üũ
 * ƯÁ¤ ¹®ÀÚ¸¸ Çã¿ëÇÏ·Á ÇÒ ¶§ »ç¿ë
 * ex) if (!containsCharsOnly(form.blood,"ABO")) {
 *         alert("Ç÷¾×Çü Çʵ忡´Â A,B,O ¹®ÀÚ¸¸ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.");
 *     }
 */
function containsCharsOnly(value,chars) {
    for (var inx = 0; inx < value.length; inx++) {
       if (chars.indexOf(value.charAt(inx)) == -1)
           return false;
    }
    return true;
}

/**
 * ÀԷ°ªÀÌ ¾ËÆĺªÀÎÁö üũ
 * ¾Æ·¡ isAlphabet() ºÎÅÍ isNumComma()±îÁöÀÇ ¸Þ¼Òµå°¡
 * ÀÚÁÖ ¾²ÀÌ´Â °æ¿ì¿¡´Â var chars º¯¼ö¸¦ 
 * global º¯¼ö·Î ¼±¾ðÇÏ°í »ç¿ëÇϵµ·Ï ÇÑ´Ù.
 * ex) var uppercase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 *     var lowercase = "abcdefghijklmnopqrstuvwxyz"; 
 *     var number    = "0123456789";
 *     function isAlphaNum(value) {
 *         var chars = uppercase + lowercase + number;
 *         return containsCharsOnly(value,chars);
 *     }
 */
function isAlphabet(value) {
    var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
    return containsCharsOnly(value,chars);
}

/**
 * ÀԷ°ªÀÌ ¾ËÆĺª ´ë¹®ÀÚÀÎÁö üũ
 */
function isUpperCase(value) {
    var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    return containsCharsOnly(value,chars);
}

/**
 * ÀԷ°ªÀÌ ¾ËÆĺª ¼Ò¹®ÀÚÀÎÁö üũ
 */
function isLowerCase(value) {
    var chars = "abcdefghijklmnopqrstuvwxyz";
    return containsCharsOnly(value,chars);
}

/**
 * ÀԷ°ª¿¡ ¼ýÀÚ¸¸ ÀÖ´ÂÁö üũ
 */
function isNumber(value) {
    var chars = "0123456789";
    return containsCharsOnly(value,chars);
}

/**
 * ÀԷ°ªÀÌ ¾ËÆĺª,¼ýÀÚ·Î µÇ¾îÀÖ´ÂÁö üũ
 */
function isAlphaNum(value) {
    var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
    return containsCharsOnly(value,chars);
}

/**
 * ÀԷ°ªÀÌ ¼ýÀÚ,´ë½Ã(-)·Î µÇ¾îÀÖ´ÂÁö üũ
 */
function isNumDash(value) {
    var chars = "-0123456789";
    return containsCharsOnly(value,chars);
}

/**
 * ÀԷ°ªÀÌ ¼ýÀÚ,ÄÞ¸¶(,)·Î µÇ¾îÀÖ´ÂÁö üũ
 */
function isNumComma(value) {
    var chars = ",0123456789";
    return containsCharsOnly(value,chars);
}
/**
 * ÇѱÛÀÎÁö üũ
 */
function isHangul(value){
    strarr = new Array(value.length);
    schar = new Array('/','.','>','<',',','?','}','{',' ','\\','|','(',')','+','=');
    for (i=0; i<value.length; i++) {
        for (j=0; j<schar.length; j++) {
            if (schar[j] == value.charAt(i)) {
                return false;
            }else continue;
        }
        strarr[i] = value.charAt(i)
        if ((strarr[i] >=0) && (strarr[i] <=9)) { // ¼ýÀÚüũ
            return false;
        } else if ((strarr[i] >='a') && (strarr[i] <='z')) { // ¾ËÆĺª üũ
            return false;
        } else if ((strarr[i] >='A') && (strarr[i] <='Z')) { // ¾ËÆĺª üũ
            return false;
        } else if ((escape(strarr[i]) > '%60') && (escape(strarr[i]) <'%80') ) { // Ư¼ö¹®ÀÚüũ
            return false;
        } else {
            continue;
        }
    } 
    return true;
}
/**
 * ÀԷ°ªÀÌ »ç¿ëÀÚ°¡ Á¤ÀÇÇÑ Æ÷¸Ë Çü½ÄÀÎÁö üũ
 * ÀÚ¼¼ÇÑ format Çü½ÄÀº ÀÚ¹Ù½ºÅ©¸³Æ®ÀÇ ''regular expression''À» ÂüÁ¶
 */
function isValidFormat(value,format) {
    if (value.search(format) != -1) {
        return true; //¿Ã¹Ù¸¥ Æ÷¸Ë Çü½Ä
    }
    return false;
}
/**
 * ÀԷ°ªÀÌ ¿Ã¹Ù¸¥ ID Çü½ÄÀÎÁö üũ
 */
function isValidId(value){
    var pattern = /^[a-zA-Z]{1}[a-zA-Z0-9_]{3,19}$/;
    return (pattern.test(value)) ? true : false;
}
/**
 * ÀԷ°ªÀÌ ¿Ã¹Ù¸¥ À̸§ Çü½ÄÀÎÁö üũ
 */
function isValidName(value){
    var pattern = /[°¡-Èþ]/;
	return (pattern.test(value)) ? true : false;
}
/**
 * Áֹιøȣüũ
 */
function isValidRegnum(regnum1, regnum2){
    var pattern = /^([0-9]{6})-?([0-9]{7})$/; 
	var num = regnum1+"-"+regnum2;
    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);

}
/**
 * ÀԷ°ªÀÌ À̸ÞÀÏ Çü½ÄÀÎÁö üũ
 * ex) if (!isValidEmail(form.email)) {
 *         alert("¿Ã¹Ù¸¥ À̸ÞÀÏ ÁÖ¼Ò°¡ ¾Æ´Õ´Ï´Ù.");
 *     }
 */
function isValidEmail(value) {
    var pattern = /^[_a-zA-Z0-9-\.]+@[\.a-zA-Z0-9-]+\.[a-zA-Z]+$/;
	return pattern.test(value);
}

/**
 * ÀԷ°ªÀÌ ÀüÈ­¹øÈ£ Çü½Ä(¼ýÀÚ-¼ýÀÚ-¼ýÀÚ)ÀÎÁö üũ
 */
function isValidPhone(value) {
    var pattern = /^([0]{1}[0-9]{1,2})-?([1-9]{1}[0-9]{2,3})-?([0-9]{4})$/;
	return pattern.exec(value);
}
/**
 * ÀԷ°ªÀÇ ¹ÙÀÌÆ® ±æÀ̸¦ ¸®ÅÏ
 * ex) if (getByteLength(form.title) > 100) {
 *         alert("Á¦¸ñÀº ÇÑ±Û 50ÀÚ(¿µ¹® 100ÀÚ) ÀÌ»ó ÀÔ·ÂÇÒ ¼ö ¾ø½À´Ï´Ù.");
 *     }
 * Author : Wonyoung Lee
 */
function getByteLength(value) {
    var byteLength = 0;
    for (var inx = 0; inx < value.length; inx++) {
        var oneChar = escape(value.charAt(inx));
        if ( oneChar.length == 1 ) {
            byteLength ++;
        } else if (oneChar.indexOf("%u") != -1) {
            byteLength += 2;
        } else if (oneChar.indexOf("%") != -1) {
            byteLength += oneChar.length/3;
        }
    }
    return byteLength;
}

/**
 * ÀԷ°ª¿¡¼­ ÄÞ¸¶¸¦ ¾ø¾Ø´Ù.
 */
function removeComma(value) {
    return value.replace(/,/gi,"");
}
/**
 * °ø¹éÁ¦°Å
 */
function removeBlank(value) { 
   for (; value.indexOf(" ") != -1 ;){ 
     value = value.replace(" ",""); 
   } 
   return value; 
}
/**
 * ¼±ÅÃµÈ ¶óµð¿À¹öÆ°ÀÌ ÀÖ´ÂÁö üũ
 */
function hasCheckedRadio(input) {
    if (input.length > 1) {
        for (var inx = 0; inx < input.length; inx++) {
            if (input[inx].checked) return true;
        }
    } else {
        if (input.checked) return true;
    }
    return false;
}

/**
 * ¼±ÅÃµÈ Ã¼Å©¹Ú½º°¡ ÀÖ´ÂÁö üũ
 */
function hasCheckedBox(input) {
    return hasCheckedRadio(input);
}