var NO_BLANK = "Please enter your {name}.";
var NO_BLANK2 = "Please enter a {name}.";
var NO_BLANK3 = "Please enter the {name}.";
var NO_BLANK4 = "Please enter  {name}.";
var NOT_VALID = "Input {name}";

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;
}

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');
		var elname=el.name;
		if (el.getAttribute("REQUIRED") != null) {
			if (el.value == null || el.value == "") {
				return doError(el,NO_BLANK);
			}
		}if (el.getAttribute("REQUIRED2") != null) {
			if (el.value == null || el.value == "") {
				return doError(el,NO_BLANK2);
			}
		}if (el.getAttribute("REQUIRED3") != null) {
			if (el.value == null || el.value == "") {
				return doError(el,NO_BLANK3);
			}
		}if (el.getAttribute("REQUIRED4") != null) {
			if(is_displayed(elname)==true){
			if (el.value == null || el.value == "") {
				return doError(el,NO_BLANK4);
			}
			}
		}


	//	if (match && (el.value != form.elements[match].value)) return doError(el,"{name} not match");

		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_]+)\+?([가-힝]{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;
}	
var funcs = new Array();
funcs['email'] = isValidEmail;
funcs['phone'] = isValidPhone;
funcs['userid'] = isValidUserid;
funcs['userpw'] = isValidpass;
funcs['eng'] = isValidEng;
funcs['number'] = isNumeric;
funcs['engonly'] = alphaOnly;
funcs['jumin'] = isValidJumin;
funcs['bizno'] = isValidBizNo;
function is_displayed(id)
{
    // 아이디로 찾고 없다면 이름으로 찾는다.
   // var obj = document.getElementById(id);
   // if(!obj) 
	 var obj = document.getElementsByName(id)[0];
	//alert(obj.value);
    if(!obj){
		obj.value='';
        return false;
    }



    if (obj.offsetHeight > 0) { 
        return true; 
    } else { 
		obj.value='';
        return false; 
    } 

	
}
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,"Please check your e-mail address. Your e-mail addresses should look like \"yeidam@empal.com\"");
}

function isValidUserid(el) {
	var pattern = /^[a-zA-Z]{1}[a-zA-Z0-9_]{4,10}$/;
	return (pattern.test(el.value)) ? true : doError(el,"{name} 5-11 digits of alphabetical letters or numbers");
}

function isValidpass(el) {
	var pattern = /^[a-zA-Z]{1}[a-zA-Z0-9_]{5,9}$/;
	return (pattern.test(el.value)) ? true : doError(el,"{name} 6-10 digits of combining alphabetical letters or numbers");
}

function isValidEng(el) {
	var pattern = /^[a-zA-Z0-9_]/;
	return (pattern.test(el.value)) ? true : doError(el,"{name} may consist of a-z,0-9.","del");
}



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

function isNumeric(el) {
	var pattern = /^[0-9]+$/;
	return (pattern.test(el.value)) ? true : doError(el,"{name} may consist of 0-9.");
}

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 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 getHTML(div,url,pg,board,spg)
{
var url = url;
var pars = 'pg='+pg+'&board='+board+'&spg='+spg;

var myAjax = new Ajax.Updater(
div, url, {
method: 'post', parameters: pars
});
}


function filterKey(filter) {
  if(filter){
      var sKey = String.fromCharCode(event.keyCode);
      var re = new RegExp(filter);
      if(!re.test(sKey)) event.returnValue=false;
  }
 
}