// Define error messages ///
var NO_BLANK = " Please enter the {name}. ";
var NOT_VALID = " {name} is not correct. ";
// var TOO_LONG = "{name} can has upto {maxbyte} as maximum length.";
var STRING_FR  = 6   
var STRING_TO  = 10  
var old_menu = '';
var old_cell = '';

/// Add method to a string object ///

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;
	for(j=0; j<str.length; j++) {
		var chr = str.charAt(j);
		len += (chr.charCodeAt() > 128) ? 2 : 1
	}
	return len;
}


/// Actual function to check form ///


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 minbyte = el.getAttribute("MINBYTE");
		var maxbyte = el.getAttribute("MAXBYTE");
		var option = el.getAttribute("OPTION");
		var match = el.getAttribute("MATCH");
		var glue = el.getAttribute('GLUE');


		if (el.getAttribute("REQUIRED") != null) {	// Process for required field
			if (el.value == null || el.value == "") {
				return doError(el,NO_BLANK);
			}
		}

		if (minbyte != null) { //Check the length of string..
			if (el.value.bytes() < parseInt(minbyte)) {
				return doError(el,"Please enter the value for the {name} over "+minbyte+" bytes.");
			}
		}

		if (maxbyte != null && el.value != "") { //Check the length of the string
			var len = 0;
			if (el.value.bytes() > parseInt(maxbyte)) {
				return doError(el,"Please enter the value for the {name} upto "+maxbyte+" bytes.)");
			}
		}

		if (match && (el.value != form.elements[match].value)) return doError(el,"does not match with {name}. ");  //Check the matches of two strings.

		if (option != null) {   /// Function forwarding of special pattern test ///
			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;
}
// Control of the number of characters for Textarea 
// Example <textarea onKeyPress="fnChkRemark(this,'50')">  -- fnChkRemark(Text_value, Length) 

function fnChkRemark(obj, strCnt) {
	var strtempRemark = obj.value;
	var len = 0;
	var tString = '';
	for(j=0; j< strtempRemark.length; j++) {
		var chr = strtempRemark.charAt(j);
		len += (chr.charCodeAt() > 128) ? 2 : 1;
		if (len <= strCnt)
			tString += chr;
	} 
	if (len >= strCnt) {
		alert(' For Hangul, please enter the value under '+ strCnt/2 + ' characters. ');
		obj.focus();
		obj.value = tString;
		return false;
	}		
}

	

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

function doError(el,type,action) { //Error handling function
	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;
}	

/// Mapping - Special pattern test function ///
var funcs = new Array();
funcs['email'] = isValidEmail;
//funcs['phone'] = isValidPhone;
funcs['phone'] = isPhone;
funcs['userid'] = isValidUserid;
funcs['pass'] = isValidPass;
funcs['hangul'] = hasHangul;
funcs['number'] = isNumeric;
funcs['engonly'] = alphaOnly;
funcs['jumin'] = isValidJumin;
funcs['bizno'] = isValidBizNo;
funcs['domain'] = isValidDomain;


funcs['phone_null'] = isValidPhone_null; //Nullable


/// Functions for testing patterns ///
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 isValidUserid(el) {
	var pattern = /^[a-zA-Z]{1}[a-zA-Z0-9_]{3,19}$/;
	return (pattern.test(el.value)) ? true : doError(el," The {name} must be below 20 letters above 4 letters.\n\n Must be an English or English/number union.");
}

function isValidPass(el) {
	var pattern = /^[a-zA-Z0-9]{1}[a-zA-Z0-9]{3,19}$/;
	return (pattern.test(el.value)) ? true : doError(el,"You can enter the {name} from 4 upto 20 characters\n\n as an Alpha-Numeric.");
}

function hasHangul(el) {
	var pattern = /^[°¡-Èþ]+$/;
	return (pattern.test(el.value)) ? true : doError(el,"The {name} can be input by Korean only.");
}

function alphaOnly(el) {
	var pattern = /^[a-zA-Z/ ]+$/;
	return (pattern.test(el.value)) ? true : doError(el,"The {name} can be input by English only.");
}

function isNumeric(el) {
	var pattern = /^[0-9]+$/;
	return (pattern.test(el.value)) ? true : doError(el,"The {name} should be a number","sel");
}

function isPhone(el) {
	var pattern = /^[0-9-E\s\.]+$/i;
	return (pattern.test(el.value)) ? true : doError(el,"You can enter Number, '-', 'E', 'e' for this {name}.","sel");
}

function isValidJumin(el,value) { // Check ID. number
    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) { // Check business permit no.
    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 isValidPhone(el,value) {// Phone no.
	var pattern = /^[0-9]+$/;
	var num = value ? value : el.value;
	if (num == null || num == "") {
		return doError(el,NO_BLANK);
	}
	else {

	return (pattern.test(num)) ? true : doError(el,"The {name} should be a number.");
	}
}


function isValidPhone_null(el,value) {//Phone no. - nullable
	var pattern = /^[0-9]+$/;
	var num = value ? value : el.value;
	if (num == null || num == "") {
		return true;
	}
	else {

	return (pattern.test(num)) ? true : doError(el,"The {name} should be a number.");
	}
}



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

function isValidDomain(el,value) { //check domain name
	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);
	}
}

function onlyNumber(){             /* function for check numeric field */

	var e1 = event.srcElement;
	var num ="0123456789";
	event.returnValue = true;

	for (var i=0;i< e1.value.length;i++)
	{
		if(-1 == num.indexOf(e1.value.charAt(i)))
		event.returnValue = false;
	}
	if (!event.returnValue)
	e1.value="";
}


function chk_focus(){	//quto focusing for ID input
	if(document.chk_member.cu_jmno1.value.length == 6){
	document.chk_member.cu_jmno2.focus();
	}
}


function check_box() {
	var count;
	var form = document.myform; 
	count = 0; 
	var choice = form.elements.length;

	for (var i=0; i<= choice - 1; i++) { 
		if (form.elements[i].checked==true) { 
		   count++; 
		} 
	}
	if (count <= 0) {
		alert("   Please agree with EULA. "); 
		return false; 
	}
	form.submit();
	 
}



//Check English field
function chkeng(val){  
	if (val.length > 0 ) {
		var str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz/ ";
		for (i=0 ;  i <  val.length ;  i++)
		{
			chk = val.charAt(i);
			for (j=0;  j< str.length; j++)
			if (chk == str.charAt(j))
				 break;
			 if (j == str.length){
				 alert("Must input with only English  ");
				 frmReservation.cu_nm_eng1.select();
			return false;
				}
			}
	}
}



// check email address
function setEmailEnable(emailcodeObject,ipmenu2Object) {
	if (emailcodeObject.value == "0" || emailcodeObject.value == "9") {
		ipmenu2Object.value = "";
		ipmenu2Object.focus();
	}
	else
		ipmenu2Object.blur();

}
//by jpspace, 2004-08-09, emaildomain.. select
function setEmailcode(setObject,selectObject,index) {
	setObject.value = selectObject[index].text;
	if (selectObject.value == "0" || selectObject.value == "9") {
		//alert("Enter the extra domain!");
		setObject.focus();
	}
	else
		setObject.blur();
		
}

function moveFocus(num,fromform,toform){
	var str = fromform.value.length;
	if(str == num)
	toform.focus();
} 

//Menu for Login
function log_yn(){
 alert("Please sign-in...");
}