var FormValidation = {
	msg_id: '',
	init  : function(msg_id) {
		
		if (typeof msg_id == 'string') this.msg_id = msg_id;
	},
	checkName : function(na) {

		var result = {
			bool: false,
			msg : [
				'À̸§À» ÀÔ·ÂÇØ ÁÖ¼¼¿ä.',
				'À̸§Àº Çѱ۸¸ °¡´ÉÇÕ´Ï´Ù.',
				'À̸§Àº °ø¹é¾øÀÌ 2ÀÚ ÀÌ»ó 8ÀÚ ÀÌÇϸ¸ °¡´ÉÇÕ´Ï´Ù.'
			]
		};

		var util= this.util;
		if (util.isEmpty(na)) {
			result.msg = result.msg[0];
			return result;
		}

		if ( !util.isKor(na) ) {
			result.msg = result.msg[1];
			return result;
		}

		if (util.hasSpace(na)) {
			result.msg = result.msg[2];
			return result;
		}

		if ( !util.isValidLength(na, 2, 8) ) {
			result.msg = result.msg[2];
			return result;
		}

		return true;
	},
	checkID : function(id) {

		var result = {
			bool: false,
			msg : [
				'¾ÆÀ̵𸦠ÀÔ·ÂÇØ ÁÖ¼¼¿ä.',
				'¿µ¹®/¼ýÀÚ 6~12ÀÚ À̳»·Î ÀÔ·ÂÇØ ÁÖ¼¼¿ä.',
				'¿µ¹®/¼ýÀÚ 6~12ÀÚ À̳»·Î ÀÔ·ÂÇØ ÁÖ¼¼¿ä.'
			]
		};

		var util= this.util;
		if (util.isEmpty(id)) {
			result.msg = result.msg[0];
			return result;
		}

		if (util.hasSpace(id)) {
			result.msg = result.msg[1];
			return result;
		}

		if ( !util.isValidLength(id, 6, 12) ) {
			result.msg = result.msg[1];
			return result;
		}

		var illegal_id = ["webmaster", "admin", "guest"];
		for (var k in illegal_id) {
			
			if ( id != illegal_id[k] ) continue;
			result.msg = id + "´Â »ç¿ëÇÏ½Ç ¼ö ¾ø½À´Ï´Ù.";
			return result;
		}
		
		if ( !util.isEnNum(id, '', false) ) {
			result.msg = result.msg[2];
			return result;
		}

		return true;
	},
	checkPwd : function(pwd) {

		var result = {
			bool: false,
			msg : [
				'ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.',
				'ºñ¹Ð¹øÈ£´Â °ø¹é¾øÀÌ 6ÀÚÀÌ»ó, 12ÀÚ ÀÌÇÏ·Î ÀÔ·ÂÇØ ÁÖ¼¼¿ä.',
				'ºñ¹Ð¹øÈ£´Â ¿µ¹®+¼ýÀÚ, 6ÀÚ ÀÌ»ó, 12ÀÚ ÀÌÇÏ·Î ÀÔ·ÂÇØ ÁÖ¼¼¿ä.'
			]
		};
		
		var util= this.util;
		if (util.isEmpty(pwd)) {
			result.msg = result.msg[0];
			return result;
		}

		if (util.hasSpace(pwd)) {
			result.msg = result.msg[1];
			return result;
		}

		if ( !util.isValidLength(pwd, 6, 12) ) {
			result.msg = result.msg[1];
			return result;
		}
		
		if ( !util.isEnNum(pwd, '', true) ) {
			result.msg = result.msg[2];
			return result;
		}
		
		return true;
	},
	checkEmail : function(email) {

		var result = {
			bool: false,
			msg : [
				'¾ÆÀ̵ð(À̸ÞÀÏ) ÁÖ¼Ò¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.',
				'À߸øµÈ À̸ÞÀÏ Çü½Ä ÀÔ´Ï´Ù.',
				'À̸ÞÀÏ ÁÖ¼Ò´Â ÃÖ´ë 50ÀÚ ÀÔ´Ï´Ù.'
			]
		};

		var util= this.util;
		if (util.isEmpty(email)) {
			result.msg = result.msg[0];
			return result;
		}

		var dot_pos = email.indexOf('.');
		if (-1 == dot_pos || 0 == dot_pos) {
			result.msg = result.msg[1];
			return result;
		}

		var split = email.split("@");
		if (2 != split.length) {
			result.msg = result.msg[1];
			return result;
		}

		var allow_c = ".-!#$%&'*+\/^_~{}|";
		if ( !util.isEnNum(split[0], allow_c, true) ) {
			result.msg = result.msg[1];
			return result;
		}

		var allow_c = ".-";
		if ( !util.isEnNum(split[1], allow_c, true) ) {
			result.msg = result.msg[1];
			return result;
		}

		if ( !util.isValidLength(email, "", 50) ) {
			result.msg = result.msg[2];
			return result;
		}

		return true;
	},
	checkMobileNum : function(num) {

		if (typeof num != 'string') return false;

		var result = {
			bool: false,
			msg : [
				'ÈÞ´ëÆù¹øÈ£¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.',
				'ÈÞ´ëÆù¹øÈ£´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù.',
				'ÈÞ´ëÆù¹øÈ£´Â ÃÖ¼Ò 9ÀÚ ÃÖ´ë 11ÀÚ ÀÔ´Ï´Ù.',
				'ÈÞ´ëÆù¹øÈ£´Â 010,011,016,017,018,019 ¸¸ °¡´ÉÇÕ´Ï´Ù.'
			]
		};

		num = num.replace("-", "");

		var util= this.util;
		if (util.isEmpty(num)) {
			result.msg = result.msg[0];
			return result;
		}

		if ( !util.isNumber(num) ) {
			result.msg = result.msg[1];
			return result;
		}

		if ( !util.isValidLength(num, 9, 11) ) {
			result.msg = result.msg[2];
			return result;
		}

		var is_legal_num  = false;
		var comp_num      = num.substr(0, 3);
		var allow_comp_num= ['010', '011', '016', '017', '018', '019'];
		for (var i = 0, l = allow_comp_num.length; i <  l; i++) {
			if (comp_num != allow_comp_num[i]) continue;

			is_legal_num = true;
			break;
		}

		if ( !is_legal_num ) {
			result.msg = result.msg[3];
			return result;
		}

		return true;
	},
	getRealAge : function (j_num) {
	
		var real_age = 0;
		if ( j_num.length == 13 ) {
		
			var gen_type = j_num.substr(6, 1);
			switch (gen_type) {
			
				case '1':
				case '2':
				case '5':
				case '6':
					year = '19';
					break;
					
				case '3':
				case '4':
				case '7':
				case '8':
					year = '20';
					break;
					
				case '9':
				case '0':
					year = '18';
					break;
			}
			
			if ( year ) year += j_num.substr(0, 2);
			
			var now = new Date();
			real_age = parseInt( now.getFullYear() ) - parseInt(year);
			
			var birth_mm_dd= j_num.substr(2, 4);
			if (birth_mm_dd.charAt(0) == 0) birth_mm_dd = birth_mm_dd.substring(1);
			birth_mm_dd    = parseInt(birth_mm_dd);
			
			var now_dd = now.getDate();
			if ( now_dd < 10 ) now_dd = '0' + now_dd;
			
			var now_mm_dd= now.getMonth() + 1 + "" + now_dd;
			now_mm_dd    = parseInt(now_mm_dd);
			
			if ( birth_mm_dd >= now_mm_dd ) --real_age;
			
			if ( 0 == real_age ) real_age = 1;
		}
		
		return real_age;
	},
	util : {
		trim : function(str) {

			if (!str) return false;
			var pattern = /(^\s*)|(\s*$)/g;
			str = str.replace(pattern, "");
			return str;
		},
		isEmpty : function(str) {

			if (!str) return true;

			str = this.trim(str);
			if (!str) return true;

			return false;
		},
		isNumber : function(v) {

			return !(/[^0-9]/.test(v));
		},
		isUrl : function(str) {

			var pattern = /^(http|https|ftp):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i;
			return (pattern.test(str));
		},
		isValidLength : function(str, min, max) {

			if ( !str || (!min && !max) ) return false;

			if (min && isNaN(min)) return false;
			if (max && isNaN(max)) return false;

			var mode = "both";
			if (min && !max) mode = "min";
			if (max && !min) mode = "max";

			switch (mode) {
				case "both":
					if ( !str.charAt(min-1) || str.charAt(max) ) return false;
					break;
				case "min":
					if ( !str.charAt(min-1) ) return false;
					break;
				case "max":
					if ( str.charAt(max) ) return false;
			}

			return true;
		},
		isKor : function(str, allow_jamo) {

			if (!str || typeof str != 'string') return false;
			if ( !allow_jamo ) allow_jamo = false;

			var kor_jamo = {
				cho  : '¤¡¤¢¤¤¤§¤¨¤©¤±¤²¤³¤µ¤¶¤·¤¸¤¹¤º¤» ¤¼¤½¤¾',
				jung : '¤¿¤À¤Á¤Â¤Ã¤Ä¤Å¤Æ¤Ç¤È¤É¤Ê¤Ë¤Ì¤Í¤Î ¤Ï¤Ð¤Ñ¤Ò¤Ó',
				jong : '¤¡¤¢¤£¤¤¤¥¤¦¤§¤©¤ª¤«¤¬¤­¤®¤¯¤° ¤±¤²¤´¤µ¤¶¤·¤¸¤º¤»¤¼¤½¤¾'
			};
			
			var is_kor = true;
			var is_jamo= false;
			var len   = str.length;
			var uni_c;
			for (var i = 0; i < len; i++) {
				
				if ( allow_jamo ) {
				
					for (var p in kor_jamo) {
					
						if (kor_jamo[p].indexOf(str.charAt(i)) == -1) continue;
						
						is_jamo = true;
						break;
					}
				}
				
				if ( is_jamo ) break;
			
				uni_c = str.charCodeAt(i);
				if ( uni_c != 32 && (uni_c < 44032 || uni_c > 55203) ) {
					is_kor = false;
					break;
				}
			}

			return is_kor;
		},
		hasKor : function(str, allow_jamo) {
			
			if (!str || typeof str != 'string') return false;
			if ( !allow_jamo ) allow_jamo = false;
			
			var has_kor= false;
			var l      = str.length;
			for (var i = 0; i < l; i++) {
				
				var c = str.charAt(i);
				if ( this.isKor(c, allow_jamo) ) {
					
					has_kor = true;
					break;
				}
			}
			
			return has_kor;
		},
		hasSpace : function(str) {

			if (!str) return true;

			if (str.indexOf(" ") != -1) return true;

			return false;
		},
		getAge : function(j_num) {

			if (!j_num) return false;

			var j_year = j_num.substr(0,2);
			if (isNaN(j_year)) return false;

			var year = (j_year < 10)? "20" + j_year: "19" + j_year;

			var now = new Date();
			var age = now.getFullYear() - year;

			return age;
		},
		isEnNum : function(str, allow_c, allow_cap) {

			if (!str) return false;

			var str_len= str.length;
			var result = true;
			var c;
			for (var i = 0; i <  str_len; i++) {

				c = str.charAt(i);
				if(c >= "a" && "z" >= c) continue;
				if(allow_cap && c >= "A" && "Z" >= c) continue;
				if(c >= "0" && "9" >= c) continue;
				if(allow_c && allow_c.indexOf(c) != -1) continue;

				result = false;
				break;
			}

			return result;
		},
		isKorEnNum : function(str, allow_c, allow_cap) {

			if (!str) return false;

			var str_len= str.length;
			var result = true;
			var c;
			for (var i = 0; i <  str_len; i++) {
				c = str.charAt(i);
				if(c >= "a" && "z" >= c) continue;
				if(allow_cap && c >= "A" && "Z" >= c) continue;
				if(c >= "0" && "9" >= c) continue;
				if(this.isKor(c)) continue;
				if(allow_c && allow_c.indexOf(c) != -1) continue;

				result = false;
				break;
			}

			return result;
		},
		autoFocusMove : function(from_id, to_id, m_size) {

			if ( !from_id || !to_id ) return false;
			if ( !document.getElementById(from_id) ) return false;
			if ( !document.getElementById(to_id) ) return false;
			if ( !m_size || isNaN(m_size) ) return false;

			var from = document.getElementById(from_id);

			from.setAttribute("iscomp", 0);
			from.setAttribute("toid", to_id);
			from.setAttribute("msize", m_size);
			from.onkeyup = function() {

				var v     = this.value;
				var iscomp= this.getAttribute("iscomp");
				var to_id = this.getAttribute("toid");
				var m_size= this.getAttribute("msize");


				if ( !v.charAt(m_size-1) && iscomp ) this.setAttribute("iscomp", 0);

				if (v.charAt(m_size-1) && iscomp == 0 ) {
					this.setAttribute("iscomp", 1);
					document.getElementById(to_id).focus();
				}
			}
		}
	}
};