function MM_reloadPage(init) {  //reloads the window if Nav4 resized
	if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
		document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
	else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
	var handle = window.open(theURL,winName,features);
	handle.focus();	
}
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_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];}
}
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_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_showHideLayers() { //v6.0
	var i,p,v,obj,args=MM_showHideLayers.arguments;
	for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
		if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
		obj.visibility=v; }
}

//°ø¹é
function CheckBlank(value) {
	if(!value) { 
		return false;
	} else {
		var count = 0;
		if(value.length > 0) {
			for(i=0;i<value.length;i++) {
				if(value.charAt(i) == " ") count++;
			}
			if(count == value.length) return false;
		}
	}
	return true;
}

//±ÛÀÚ¼ö Á¦ÇÑ Ã¼Å©
function CheckStringByteLength(obj,maxlen)
{
	var obj_str			= obj.value;
	var obj_str_len = obj_str.length;
	var total_byte	= 0; //ÃÑ ¹ÙÀÌÆ®¼ö
	var sub_byte		= 0; //Á¦ÇÑµÈ ±ÛÀÚ¼ö
	
	for(i=0;i<obj_str_len;i++)
	{
		one_char = obj_str.charAt(i); //1±ÛÀÚ ÃßÃâ

		if(escape(one_char).length > 4) 
			total_byte += 2; //ÇѱÛÀÏ °æ¿ì
		else  
			total_byte ++;   //±âŸ

		if(total_byte <= maxlen) 
			sub_byte = i + 1; //Á¦ÇÑµÈ ±ÛÀÚ¼ö
	}	
	
	if(total_byte > maxlen)
	{
		alert( maxlen + " ±ÛÀÚ¸¦ ÃÊ°ú ÀÔ·ÂÇÒ¼ö ¾ø½À´Ï´Ù. \n ÃÊ°úµÈ ³»¿ëÀº ÀÚµ¿À¸·Î »èÁ¦ µË´Ï´Ù. ");
		obj.value = obj_str.substr(0,sub_byte);
	}
	obj.focus(); 
}

//¼ýÀÚ ÆÐÅÏ °Ë»ç true : ¼ýÀÚ
function CheckNumber(input) {
	var arrMatch = input.match(/^([0-9]*)$/);
	if(arrMatch == null) return false;
	return true;
}

// E-Mail ÆÐÅÏ °Ë»ç
function CheckEmail(strEmail) {
	var arrMatch = strEmail.match(/^(\".*\"|[A-Za-z0-9_-]([A-Za-z0-9_-]|[\+\.])*)@(\[\d{1,3}(\.\d{1,3}){3}]|[A-Za-z0-9][A-Za-z0-9_-]*(\.[A-Za-z0-9][A-Za-z0-9_-]*)+)$/);
	if(arrMatch == null) return false;
	return true;
}

function CheckEmailAddr(strAddr, strName) {
	var arrAddr;
	var arrMatch;
	var strEmail;
	if(strAddr.length == 0) return true;
	
	arrAddr = strAddr.replace(/,/, ",").split(",");

	for (var i = 0; i < arrAddr.length; i++) {
		arrMatch = arrAddr[i].match(/^([^<>]*)<([^<>]+)>$/);
		if (arrMatch == null) 
			strEmail = arrAddr[i];
		else
			strEmail = arrMatch[2];

		if (strEmail != "") {
			if (CheckEmail(strEmail) == false) {
				alert(strName + "´ÔÀÇ " + arrAddr[i] + "´Â À߸øµÈ À̸ÞÀÏÁÖ¼ÒÀÔ´Ï´Ù.");
				return false;
			}
		}
	}
	return true;
}

//ÇÑ±Û ÆÐÅÏ °Ë»ç true : ÇѱÛ
function CheckHangle(input) {
	var form = input;
	for(var i = 0; i < form.length; i++) {
		var chr = form.substr(i,1);
		chr = escape(chr);
		if (chr.charAt(1) == "u") {
			chr = chr.substr(2, (chr.length - 1));
			if((chr < "AC00") || (chr > "D7A3")) return false;
		}
		else return false;
	}
	return true;
}

// ¿µ¹® ÆÐÅÏ °Ë»ç true : ¿µ¹®
function CheckEnglish(input) {
	var	arrMatch = input.match(/^([A-Za-z0-9]*)$/);
	if(arrMatch == null) return false;

	return true;
}

//Áֹεî·Ï¹øÈ£ ÆÐÅÏ °Ë»ç
function CheckJumin(input) {
	IDtot = 0;
	IDAdd	= "234567892345";

	for(i=0;i<12;i++) {
		IDtot = IDtot + parseInt(input.substring(i,i+1)) * parseInt(IDAdd.substring(i,i+1));
	}
	
	IDtot	= 11 - (IDtot % 11);
		
	if(IDtot == 10)				IDtot=0;
	else if(IDtot == 11)	IDtot=1;

	if(parseInt(input.substring(12,13))!=IDtot) return false;
	return true;
}