function _ID(obj){return document.getElementById(obj)}


/**
 * chkForm(form)
 *
 * ÀԷ¹ڽºÀÇ null À¯¹« üũ¿Í ÆÐÅÏ Ã¼Å©
 *
 * @Usage	<form onSubmit="return chkForm(this)">
 */

function chkForm(form)
{

	if (typeof(mini_obj)!="undefined" || document.getElementById('_mini_oHTML')) mini_editor_submit();

	for (i=0;i<form.elements.length;i++){
		currEl = form.elements[i];
		if (currEl.disabled) continue;
		if (currEl.getAttribute("required")!=null){
			if (currEl.type=="checkbox" || currEl.type=="radio"){
				if (!chkSelect(form,currEl,currEl.getAttribute("msgR"))) return false;
			} else {
				if (!chkText(currEl,currEl.value,currEl.getAttribute("msgR"))) return false;
			}
		}
		if (currEl.getAttribute("option")!=null && currEl.value.length>0){
			if (!chkPatten(currEl,currEl.getAttribute("option"),currEl.getAttribute("msgO"))) return false;
		}
		if (currEl.getAttribute("minlength")!=null){
			if (!chkLength(currEl,currEl.getAttribute("minlength"))) return false;
		}
	}
	if (form.password2){
		if (form.password.value!=form.password2.value){
			alert("ºñ¹Ð¹øÈ£°¡ ÀÏÄ¡ÇÏÁö ¾Ê½À´Ï´Ù");
			form.password.value = "";
			form.password2.value = "";
			return false;
		}
	}

	if (form['resno[]'] && !chkResno(form)) return false;
	if (form.chkSpamKey) form.chkSpamKey.value = 1;
	if (document.getElementById('avoidDbl')) document.getElementById('avoidDbl').innerHTML = "--- µ¥ÀÌŸ ÀÔ·ÂÁßÀÔ´Ï´Ù ---";
	return true;
}

function chkLength(field,len)
{
	text = field.value;
	if (text.trim().length<len){
		alert(len + "ÀÚ ÀÌ»ó ÀÔ·ÂÇÏ¼Å¾ß ÇÕ´Ï´Ù");
		field.focus();
		return false;
	}
	return true;
}

function chkText(field,text,msg)
{
	text = text.replace("¡¡", "");
	text = text.replace(/\s*/, "");
	if (text==""){
		var caption = field.parentNode.parentNode.firstChild.innerText;
		if (!field.getAttribute("label")) field.setAttribute("label",(caption)?caption:field.name);
		if (!msg) msg = "["+field.getAttribute("label")+"]´Â(Àº) ÇʼöÀԷ»çÇ× ÀÔ´Ï´Ù.";
		//if (msg) msg2 += "\n\n" + msg;
		alert(msg);
		if (field.tagName!="SELECT") field.value = "";
		if (field.type!="hidden") field.focus();
		return false;
	}
	return true;
}

function chkSelect(form,field,msg)
{
	var ret = false;
	fieldname = eval("form.elements['"+field.name+"']");
	if (fieldname.length){
		for (j=0;j<fieldname.length;j++) if (fieldname[j].checked) ret = true;
	} else {
		if (fieldname.checked) ret = true;
	}
	if (!ret){
		if (!field.getAttribute("label")) field.getAttribute("label") = field.name;
		var msg2 = "[" + field.getAttribute("label") + "] Çʼö¼±ÅûçÇ×";
		if (msg) msg2 += "\n\n" + msg;
		alert(msg2);
		field.focus();
		return false;
	}
	return true;
}

function chkPatten(field,patten,msg)
{
	var regNum			= /^[0-9]+$/;
	var regEmail		= /^[_a-zA-Z0-9-]+@[._a-zA-Z0-9-]+\.[a-zA-Z]+$/;
	var regUrl			= /^(http\:\/\/)*[.a-zA-Z0-9-]+\.[a-zA-Z]+$/;
	var regAlpha		= /^[a-zA-Z]+$/;
	var regHangul		= /[°¡-ÆR]/;
	var regHangulEng	= /[°¡-ÆRa-zA-Z]/;
	var regHangulOnly	= /^[°¡-ÆR]*$/;
	var regId			= /^[a-zA-Z0-9]{1}[a-zA-Z0-9_-]{3,9}$/;
	var regPass			= /^[a-zA-Z0-9_-]{4,12}$/;

	patten = eval(patten);
	if (!patten.test(field.value)){
		if (!field.getAttribute("label")) field.getAttribute("label") = field.name;
		var msg2 = "[" + field.getAttribute("label") + "] ÀÔ·ÂÇü½Ä¿À·ù";
		if (msg) msg2 += "\n\n" + msg;
		alert(msg2);
		field.focus();
		return false;
	}
	return true;
}

function formOnly(form){
	var i,idx = 0;
	var rForm = document.getElementsByTagName("form");
	for (i=0;i<rForm.length;i++) if (rForm[i].name==form.name) idx++;
	return (idx==1) ? form : form[0];
}

function chkResno(form)
{
	var resno = form['resno[]'][0].value + form['resno[]'][1].value;

	fmt = /^\d{6}[1234]\d{6}$/;
	if (!fmt.test(resno)) {
		alert('À߸øµÈ Áֹεî·Ï¹øÈ£ÀÔ´Ï´Ù.'); return false;
	}

	birthYear = (resno.charAt(6) <= '2') ? '19' : '20';
	birthYear += resno.substr(0, 2);
	birthMonth = resno.substr(2, 2) - 1;
	birthDate = resno.substr(4, 2);
	birth = new Date(birthYear, birthMonth, birthDate);

	if ( birth.getYear()%100 != resno.substr(0, 2) || birth.getMonth() != birthMonth || birth.getDate() != birthDate) {
		alert('À߸øµÈ Áֹεî·Ï¹øÈ£ÀÔ´Ï´Ù.');
		return false;
	}

	buf = new Array(13);
	for (i = 0; i < 13; i++) buf[i] = parseInt(resno.charAt(i));

	multipliers = [2,3,4,5,6,7,8,9,2,3,4,5];
	for (i = 0, sum = 0; i < 12; i++) sum += (buf[i] *= multipliers[i]);

	if ((11 - (sum % 11)) % 10 != buf[12]) {
		alert('À߸øµÈ Áֹεî·Ï¹øÈ£ÀÔ´Ï´Ù.');
		return false;
	}
	return true;
}

/**
 * chkBox(El,mode)
 *
 * µ¿ÀÏÇÑ À̸§ÀÇ Ã¼Å©¹Ú½ºÀÇ Ã¼Å© »óȲ ÄÁÆ®·Ñ
 *
 * -mode	true	Àüü¼±ÅÃ
 *			false	¼±ÅÃÇØÁ¦
 *			'rev'	¼±ÅùÝÀü
 * @Usage	<input type=checkbox name=chk[]>
 *			<a href="javascript:void(0)" onClick="chkBox(document.getElementsByName('chk[]'),true|false|'rev')">chk</a>
 */

function chkBox(El,mode)
{
	if (!El) return;
	for (i=0;i<El.length;i++) El[i].checked = (mode=='rev') ? !El[i].checked : mode;
}

/**
 * isChked(El,msg)
 *
 * üũ¹Ú½ºÀÇ Ã¼Å© À¯¹« ÆǺ°
 *
 * -msg		null	¹Ù·Î ÁøÇà
 *			msg		confirmâÀ» ¶ç¾î ½ÇÇà À¯¹« üũ (msg - confirmâÀÇ ÁúÀÇ ³»¿ë)
 * @Usage	<input type=checkbox name=chk[]>
 *			<a href="javascript:void(0)" onClick="return isChked(document.getElementsByName('chk[]'),null|msg)">del</a>
 */

function isChked(El,msg)
{
	if (!El) return;
	if (typeof(El)!="object") El = document.getElementsByName(El);
	if (El) for (i=0;i<El.length;i++) if (El[i].checked) var isChked = true;
	if (isChked){
		return (msg) ? confirm(msg) : true;
	} else {
		alert ("¼±ÅÃµÈ »çÇ×ÀÌ ¾ø½À´Ï´Ù");
		return false;
	}
}

/**
 *num_chk(obj)
 *
 * Æû¿¡¼­ ¼ýÀÚ/¿µ¹®¸¸ ÀԷ°¡´É
 *@Usage	<input type="text" onKeyup="engnum_chk(this)">
 * 
 */

function num_chk(obj){
	if( obj.value.length > 0 ){
   	var len;
      s = obj.value;
      len = s.length;
      
      for (var i = 0; i < len; i++){
      	if (s.charCodeAt(i) < 48 || s.charCodeAt(i) > 57  ){
         	alert('ÀÌ Ç׸ñ¿¡´Â ¼ýÀڹΠÀԷ°¡´ÉÇÕ´Ï´Ù.');
            obj.value = "";
            return false;
          }
      }
	}
} 

function eng_chk(obj){
	if( obj.value.length > 0 ){
   	var len;
      s = obj.value;
      len = s.length;
      
      for (var i = 0; i < len; i++){
      	if(!((s.charCodeAt(i) >= 65 && s.charCodeAt(i)<= 90 )||(s.charCodeAt(i) >= 97 && s.charCodeAt(i)<= 122 ))){
         	alert('ÀÌ Ç׸ñ¿¡´Â ¿µ¹®¸¸ ÀÔ·Â °¡´ÉÇÕ´Ï´Ù.');
            obj.value = "";
            return false;
          }
      }
   }
} 
/**
 * comma(x), uncomma(x)
 *
 * ¼ýÀÚ Ç¥½Ã (3ÀÚ¸®¸¶´Ù ÄÞ¸¶Âï±â)
 *
 * @Usage	var money = 1000;
 *			money = comma(money);
 *			alert(money);
 *			alert(uncomma(money));
 */

function comma(x)
{
	var temp = "";
	var x = String(uncomma(x));

	num_len = x.length;
	co = 3;
	while (num_len>0){
		num_len = num_len - co;
		if (num_len<0){
			co = num_len + co;
			num_len = 0;
		}
		temp = ","+x.substr(num_len,co)+temp;
	}
	return temp.substr(1);
}

function uncomma(x)
{
	var reg = /(,)*/g;
	x = parseInt(String(x).replace(reg,""));
	return (isNaN(x)) ? 0 : x;
}

/**
 * tab(El)
 *
 * textarea ÀÔ·Â ¹Ú½º¿¡¼­ tabÅ°·Î °ø¹é ¶ç¿ì±â ±â´É Ãß°¡
 *
 * @Usage	<textarea onkeydown="return tab(this)"></textarea>
 */

function tab(El)
{
	if ((document.all)&&(event.keyCode==9)){
		El.selection = document.selection.createRange();
		document.all[El.name].selection.text = String.fromCharCode(9)
		document.all[El.name].focus();
		return false;
	}
}

function enter()
{
    if (event.keyCode == 13){
        if (event.shiftKey == false){
            var sel = document.selection.createRange();
            sel.pasteHTML('<br>');
            event.cancelBubble = true;
            event.returnValue = false;
            sel.select();
            return false;
        } else {
            return event.keyCode = 13;
		}
    }
}

/**
 * ¹®ÀÚ¿­ Byte üũ (ÇÑ±Û 2byte)
 */
function chkByte(str)
{
	var length = 0;
	for(var i = 0; i < str.length; i++)
	{
		if(escape(str.charAt(i)).length >= 4)
			length += 2;
		else
			if(escape(str.charAt(i)) != "%0D")
				length++;
	}
	return length;
}

/**
 * ¹®ÀÚ¿­ ÀÚ¸£±â (ÇÑ±Û 2byte)
 */
function strCut(str, max_length)
{
	var str, msg;
	var length = 0;
	var tmp;
	var count = 0;
	length = str.length;

	for (var i = 0; i < length; i++){
		tmp = str.charAt(i);
		if(escape(tmp).length > 4) count += 2;
		else if(escape(tmp) != "%0D") count++;
		if(count > max_length) break;
	}
	return str.substring(0, i);
}

/**
 * etc..
 */

function get_objectTop(obj){
	if (obj.offsetParent == document.body) return obj.offsetTop;
	else return obj.offsetTop + get_objectTop(obj.offsetParent);
}

function get_objectLeft(obj){
	if (obj.offsetParent == document.body) return obj.offsetLeft;
	else return obj.offsetLeft + get_objectLeft(obj.offsetParent);
}

function mv_focus(field,num,target)
{
	len = field.value.length;
	if (len==num && event.keyCode!=8) target.focus();
}

function onlynumber()
{
	var e = event.keyCode;
	window.status = e;
	if (e>=48 && e<=57) return;
	if (e>=96 && e<=105) return;
	if (e>=37 && e<=40) return;
	if (e==8 || e==9 || e==13 || e==46) return;
	event.returnValue = false;
}




/**
 * selectDisabled(oSelect)
 *
 * ¼¿·ºÆ®¹Ú½º¿¡ disabled ¿É¼ÇÃß°¡
 */
function selectDisabled(oSelect)
{
	var isOptionDisabled = oSelect.options[oSelect.selectedIndex].disabled;
	if (isOptionDisabled){
		oSelect.selectedIndex = oSelect.preSelIndex;
		return false;
	} else oSelect.preSelIndex = oSelect.selectedIndex;
	return true;
}

/** prototype **/

String.prototype.trim = function(){ return this.replace(/(^\s*)|(\s*$)/g, ""); }

/** Ãß°¡ ½ºÅ©¸³ **/

function viewSub(obj)
{
	var obj = obj.parentNode.childNodes[1].childNodes[0];
	obj.style.display = "block";
}

function hiddenSub(obj)
{
	var obj = obj.parentNode.childNodes[1].childNodes[0];
	obj.style.display = "none";
}

function execSubLayer()
{
	var obj = document.getElementById('menuLayer');
	for (i=0;i<obj.rows.length;i++){
		if (typeof(obj.rows[i].cells[1].childNodes[0])!="undefined"){
			obj.rows[i].cells[0].onmouseover = function(){ viewSub(this) }
			obj.rows[i].cells[0].onmouseout = function(){ hiddenSub(this) }
			obj.rows[i].cells[1].style.position = "relative";
			obj.rows[i].cells[1].style.verticalAlign = "top";
			obj.rows[i].cells[1].childNodes[0].onmouseover = function(){ viewSub(this.parentNode.parentNode.childNodes[0]) };
			obj.rows[i].cells[1].childNodes[0].onmouseout = function(){ hiddenSub(this.parentNode.parentNode.childNodes[0]) };
		}
	}
}

function popup(src,width,height)
{
	window.open(src,'','width='+width+',height='+height+',scrollbars=1');
}


/*-------------------------------------
 °ø¿ë - üũ¹Ú½º üũ
 ckFlag : select, reflect, deselect
 CObj : checkbox object
-------------------------------------*/
function PubAllSordes( ckFlag, CObj ){

	if ( !CObj ) return;
	var ckN = CObj.length;

	if ( ckN != null ){

		if ( ckFlag == "select" ){
			for ( jumpchk = 0; jumpchk < ckN; jumpchk++ ) CObj[jumpchk].checked = true;
		}
		else if ( ckFlag=="reflect" ){
			for ( jumpchk = 0; jumpchk < ckN; jumpchk++ ){
				if ( CObj[jumpchk].checked == false ) CObj[jumpchk].checked = true; else CObj[jumpchk].checked = false;
			}
		}
		else{
			for ( jumpchk = 0; jumpchk < ckN; jumpchk++ ) CObj[jumpchk].checked = false;
		}
	}
	else {

		if ( ckFlag == "select" ) CObj.checked = true;
		else if ( ckFlag == "reflect" ){
			if ( CObj.checked == false ) CObj.checked = true; else CObj.checked = false;
		}
		else CObj.checked = false;
	}
}


/*-------------------------------------
  Ç÷¡½¬
-------------------------------------*/

function Of(s,d,w,h,t){
        return "<object classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0\" width="+w+" height="+h+" id="+d+"><param name=wmode value="+t+" /><param name=movie value="+s+" /><param name=quality value=high /><embed src="+s+" quality=high wmode="+t+" type=\"application/x-shockwave-flash\" pluginspage=\"http://www.macromedia.com/shockwave/download/index.cgi?p1_prod_version=shockwaveflash\" width="+w+" height="+h+"></embed></object>";
}

function documentwrite(src){
        document.write(src);
}

function setcode(target, code){
        target.innerHTML = code;
}

/*-------------------------------------
  ¸¶¿ì½º ¿À¹ö
-------------------------------------*/

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

/*-------------------------------------
  ¸µÅ© ¼û±â±â
-------------------------------------*/
function hidestatus() { 
	window.status=' DULON '; 
	return true; 
} 
	
function hiddenMenuShow(currMenu){ 
	if (document.all) { 
		thisMenu = eval("document.all." + currMenu + ".style") 

		if (thisMenu.display=="none"){ thisMenu.display=""; 
		} else { thisMenu.display="none"; } 
			return false; 
	} else { return true; } 
} 
	
if (document.layers) 
	document.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT) 
	document.onmouseover=hidestatus 
	document.onmouseout=hidestatus