function formatSize(fileSize)
{
	var size = "";
	var str = "";

	if(parseInt(fileSize) < 1024) { size = fileSize + " Byte"; }
	else if(parseInt(fileSize) < 1024 * 1024)
	{
		size = parseInt(fileSize) / 1024;
		str = size.toString();
		if(str.indexOf(".") > -1)
		{
			str = str.split(".");
			str = str[0] + "." + str[1].substr(0,2);
		}
		str += " KB";
	}
	else
	{
		size = parseInt(fileSize) / (1024 * 1024);
		str = size.toString();
		if(str.indexOf(".") > -1)
		{
			str = str.split(".");
			str = str[0] + "." + str[1].substr(0,2);
		}
		str += " MB";
	}

	return str;
}

// flashWrite(ÆÄÀÏ°æ·Î, °¡·Î, ¼¼·Î, ¾ÆÀ̵ð, ¹è°æ»ö, À©µµ¿ì¸ðµå)
function flashWrite(url,w,h,id,bg,win){

	// Ç÷¡½Ã ÄÚµå Á¤ÀÇ
	var flashStr=
	"<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0' width='"+w+"' height='"+h+"' id='"+id+"' align='middle'>"+
	"<param name='movie' value='"+url+"' />"+
	"<param name='wmode' value='"+win+"' />"+
	"<param name='menu' value='false' />"+
	"<param name='quality' value='high' />"+
	"<param name='bgcolor' value='"+bg+"' />"+
	"<embed src='"+url+"' wmode='"+win+"' menu='false' quality='high' bgcolor='"+bg+"' width='"+w+"' height='"+h+"' name='"+id+"' align='middle' type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/go/getflashplayer' />"+
	"</object>";
	// Ç÷¡½Ã ÄÚµå Ãâ·Â
	document.write(flashStr);

}

// object ¸¦ ÀͽºÇ÷η¯ ÆÐÄ¡¿¡ ¿µÇâ ¾È¹Þ°Ô ÇϱâÀ§ÇØ.
function objectlaunch(obcode)
{
    document.write(obcode);
}

//////////////////// Çѱ۸¸ ÀÔ·Â //////////////////////////////
function korean_check(f,fieldname)
{
    var i;
    var ch;
	var field = eval("document."+f+"."+fieldname);
	var str = field.value;

    for (i=0;i<str.length;i++)
    {
        ch = escape(str.charAt(i));        //ISO-Latin-1 ¹®ÀÚ¼ÂÀ¸·Î º¯°æ
        //°¡ ==> %uAC00
        //Èþ ==> %uD79D
            //ÆR ==> %uD7A3
                if (strCharByte(ch) != 2)
                {
					alert("Çѱ۷θ¸ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
					field.select();
					return false;
                }
    }
    return true;
    
}

function strCharByte(chStr)
{
        if (chStr.substring(0, 2) == '%u')
        {
                if (chStr.substring(2,4) == '00')
                        return 1;
                else
                        return 2;        //ÇѱÛ
        }
        else if (chStr.substring(0,1) == '%')
        {
                //alert (parseInt(chStr.substring(1,3), 16));
                if (parseInt(chStr.substring(1,3), 16) > 127)
                        return 2;        //ÇѱÛ
                else
                        return 1;
        }
        else
        {
                return 1;
        }
}
//////////////////// Çѱ۸¸ ÀÔ·Â //////////////////////////////

// String ±æÀ̸¦ ±¸ÇÏ´Â Script By Moon
function CheckStrLen(obj, MaxLen, FieldName) 
{
	var i, len=0;
	if (typeof obj == "undefined") 
	{
		return true
	}
	var s = obj.value;

	// String ±æÀ̸¦ ±¸ÇÏ´Â ºÎºÐ..
	for(i=0;i < s.length; i++) (s.charCodeAt(i) > 255)? len+=2:len++;

	// ±æÀÌ È®ÀÎ.
	if (MaxLen < len) 
	{
		if (FieldName != "") alert(FieldName + "Àº(´Â) " + MaxLen + "ÀÚ¸¦ ³ÑÀ» ¼ö ¾ø½À´Ï´Ù(ÇѱÛÀº ±ÛÀÚ´ç 2ÀÚ·Î °è»êµË´Ï´Ù.)");
		obj.focus();
		return false;
	}
	return true;
}


// È­ÆäÀԷ½à ÄÚ¸¶³Ö¾îÁÖ±â
function commaSplit(srcNumber) 
{

	var txtNumber = '' + srcNumber;
	if (isNaN(txtNumber) || txtNumber == "") 
	{
		alert("¼ýÀÚ¸¸ ÀÔ·Â Çϼ¼¿ä");
		return "";
	}
	else 
	{
		var rxSplit = new RegExp('([0-9])([0-9][0-9][0-9][,.])');
		var arrNumber = txtNumber.split('.');
		arrNumber[0] += '.';
		do 
		{
			arrNumber[0] = arrNumber[0].replace(rxSplit, '$1,$2');
		}
		while (rxSplit.test(arrNumber[0]));

		if (arrNumber.length > 1) { return arrNumber.join(''); }
		else { return arrNumber[0].split('.')[0]; }
   }
}


//////////////////// À̸ÞÀÏ ÁÖ¼Ò Ã¼Å© ////////////////////
function checkEmail(strField)
{ 
	var invalidaddress=new Array();
//	invalidaddress[0]='daum';		// ±ÝÁöÇÒ µµ¸ÞÀÎÀ» ÀÔ·Â Çϼ¼¿ä 
//	invalidaddress[1]='hanmail';

	var testresults;
	var invalidcheck=0; 
//	var str=document.form1.mem_email.value;
	var str = strField.value;

//	var filter = /^(\w+(?:\.\w+)*)@((?:\w+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	var filter = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");

	if (filter.test(str))
	{ 
		var tempstring=str.split('@');													//tempstring¿¡¼­ @ ±âÁØÀ¸·Î ºÐ¸®
		tempstring=tempstring[1].split('.');										//@À» ±âÁØÀ¸·Î ºÐ¸®Çѹ®ÀÚ¿­¿¡¼­ . À» ±âÁØÀ¸·Î ºÐ¸®										
		for (i=0;i<invalidaddress.length;i++)
		{ 
			if (tempstring[0]==invalidaddress[i]) 
			invalidcheck=1 
		} 
		if (invalidcheck!=1){ testresults=true;}
		else{ alert('´Ù¸¥ ¸ÞÀÏ °èÁ¤À» »ç¿ëÇØ ÁÖ½Ã±æ ¹Ù¶ø´Ï´Ù.'); testresults=false;} 
	} 
	else
	{ 
		alert('À̸ÞÀÏ ÁÖ¼Ò°¡ À¯È¿ÇÏÁö ¾Ê½À´Ï´Ù');
		testresults=false;
	} 
	return (testresults);
} 

function checkMail(f,fieldname)
{ 
	var str = eval("document."+f+"."+fieldname);
	
	if (document.layers||document.getElementById||document.all) 
	{		
		if(!checkEmail(str))
		{
//			str.focus();
			return false;
		}
		else return true;
	}
	else { return true;  }
} 
//////////////////// À̸ÞÀÏ ÁÖ¼Ò Ã¼Å© ////////////////////

//////////////// ¼ýÀÚ¸¸ ÀÔ·Â ////////////////
function isDigit (f,name)
{
	var str = eval("document."+f+"."+name);	
	for (var i = 0; i < str.value.length; i++)
	{
		if (str.value.charAt (i) < '0' || str.value.charAt (i) > '9')
		{
			alert("¼ýÀڷθ¸ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
			str.value = "";
			str.focus();
			return false;
		}
	}
	return true;
}
//////////////// ¼ýÀÚ¸¸ ÀÔ·Â ////////////////

//¼ýÀÚ¸¸ ÀԷ¹޴´Ù.
function onlyNum()
{
	if ((event.keyCode < 48) || (event.keyCode > 57)) event.returnValue = false;
	return true;
}

//////////////////// ÇѱÛÀÔ·Â¾ÈµÇ°Ô Ã¼Å© ////////////////////////
function hanCheck(f,fieldname)
{
	var str = eval("document."+f+"."+fieldname);

	for(i=0;i<str.value.length;i++)
	{
		var a=str.value.charCodeAt(i);
		if (a > 128) 
		{
			alert('ÇѱÛÀº »ç¿ëÇϽǼö ¾ø½À´Ï´Ù. ¿µ¹® ¶Ç´Â ¼ýÀÚ Á¶ÇÕÀ¸·Î ÇØÁÖ¼¼¿ä.');
//			str.value="";
			str.focus();
			return true;
		}
	}

	if((str.value.length < 4) || (str.value.length > 20))
	{
		alert('¾ÆÀ̵ð´Â 4ÀÚÀÌ»ó 20ÀÚ ÀÌÇÏ·Î ¸¸µé¾îÁÖ¼¼¿ä.');
		str.value="";
		str.focus();
		return true;
	}
	return false;
}
//////////////////// ÇѱÛÀÔ·Â¾ÈµÇ°Ô Ã¼Å© ////////////////////////


///////////////////// ¸ð´Þ Æû ¶ç¿ì±â //////////////////////////
function modalOpen(url,mwidth,mheight,top,left,resizable,scrollbars,status)
{ 
	if (window.showModalDialog)
	{
//		var retVal = window.showModalDialog("/inc/modal_frame.php", new Array(goUrl),"dialogWidth: 630px; dialogHeight: 600px; edge: Raised; center: Yes; help: No; resizable: No; status: No; scrollbars: No;");		
		window.showModalDialog(url,window,"help:0;dialogTop:"+top+"px;dialogLeft:"+left+"px;dialogWidth:"+mwidth+"px;dialogHeight:"+mheight+"px;scrollbars:"+scrollbars+";resizable:"+resizable+";status:"+status)  
	}
	else { alert('This method is only supported by Internet Explorer 4 and above.')  }
} 
///////////////////// ¸ð´Þ Æû ¶ç¿ì±â //////////////////////////


///////////////////// »õâ ¶ç¿ì±â //////////////////////////
function newOpen(url,name,mwidth,mheight,top,left,resizable,scrollbars,status,position,msg)
{
	// â È­¸é°¡¿îµ¥·Î ¶ç¿ì±â //
	if(position=="CENTER")
	{
		if (window.screen) 
		{
			var aw = screen.availWidth - 10;
			var ah = screen.availHeight - 30;
			var xc = (aw - mwidth) / 2;
			var yc = (ah - mheight) / 2;
		
			left = xc;
			var screenX=yc;			
			top = xc;
			var screenY=yc;
		}
	}
		
	if(msg.length > 0)
	{
		if(confirm(msg)) 
		{
			eval('window.open(url,name,"top='+top+'px,left='+left+'px,screenX='+screenX+'px,screenY='+screenY+',width='+mwidth+'px,height='+mheight+'px,resizable='+resizable+',scrollbars='+scrollbars+',status='+status+'")');
		}
		else { return false; }
	}
	else
	{
		eval('window.open(url,name,"top='+top+'px,left='+left+'px,screenX='+screenX+'px,screenY='+screenY+',width='+mwidth+'px,height='+mheight+'px,resizable='+resizable+',scrollbars='+scrollbars+',status='+status+'")');
	}
}
///////////////////// »õâ ¶ç¿ì±â //////////////////////////


///////////////////// ¾çÂÊ °ø¹é ¾ø¾Ö±â /////////////////////
function trim (strSource) 
{
	re = /^\s+|\s+$/g;
	return strSource.replace(re, '');
}
///////////////////// ¾çÂÊ °ø¹é ¾ø¾Ö±â /////////////////////


///////////////////// ·¹ÇÁÆ®°ø¹é ¾ø¾Ö±â /////////////////////
function ltrim (strSource) 
{
	re = /^\s+/g;
	return strSource.replace(re, '');
}
///////////////////// ·¹ÇÁÆ®°ø¹é ¾ø¾Ö±â /////////////////////

///////////////////// ¿À¸¥ÂÊ°ø¹é ¾ø¾Ö±â /////////////////////
function rtrim (strSource) 
{
	re = /\s+$/g;
	return strSource.replace(re, '');
}
///////////////////// ¿À¸¥ÂÊ°ø¹é ¾ø¾Ö±â /////////////////////

////////////////////// ¾÷·Îµå ºÒ°¡ ÆÄÀÏ ÇÊÅ͸µ ////////////////////////////////
function LimitAttach(file,extArray) 
{
	var flag = "Y";
	if (!file) return;

	while (file.indexOf("\\") != -1)
	{
		file = file.slice(file.indexOf("\\") + 1);
		ext = file.slice(file.indexOf(".")).toLowerCase();
		for (var i = 0; i < extArray.length; i++) 
		{
			if (extArray[i] == ext)
			{
				flag = "N";
				break;
			} 
			if(flag == "N") break;
		}
	}
	return flag;
}
////////////////////// ¾÷·Îµå ºÒ°¡ ÆÄÀÏ ÇÊÅ͸µ ////////////////////////////////

////////////////////// À̹ÌÁöÆÄÀϸ¸ ¾÷·Îµå °¡´ÉÇÏ°Ô ////////////////////////////////
function imgAttach(file) 
{
	var flag;
	if (!file) return;

	while (file.indexOf("\\") != -1)
	{
		file = file.slice(file.indexOf("\\") + 1);
		ext = file.slice(file.lastIndexOf(".")).toLowerCase();
		if ((ext == ".jpg") || (ext == ".JPG") || (ext == ".gif") || (ext == ".GIF") || (ext == ".jpeg") || (ext == ".JPEG") || (ext == ".png") || (ext == ".PNG")) { flag = "Y"; break; }
		else { flag = "N"; break; }
	}
	return flag;
}
////////////////////// À̹ÌÁöÆÄÀϸ¸ ¾÷·Îµå °¡´ÉÇÏ°Ô ////////////////////////////////


///////////////////// ·¹´ë¿À ¹öÆ° üũ ///////////////////////////////
function chkRadioButton(obj,msg)
{
	var flag = "N";	
	var total = obj.length;

	if(total == null) { if(obj.checked) { flag = obj.value; } }
	else { for(var countI=0; countI<total; countI++) { if(obj[countI].checked) { flag = obj[countI].value; } } }
	
	if(flag == "N") { alert(msg+" ¼±ÅÃÇØ ÁÖ¼¼¿ä."); return true; }
	else { return false; }
}

function checkRadio(formName,fieldName,fieldVal)
{
	var str = eval("document."+formName+"."+fieldName);		
	var flag = "N";
	
	if(str.length == null)	// ¸®½ºÆ®°¡ ÇϳªÀÏ°æ¿ì ½ÇÇà
	{
		if(str.checked) flag = "Y";
	}
	else	// ¸®½ºÆ®°¡ ÇϳªÀÌ»óÀÏ°æ¿ì ½ÇÇà
	{
		for(i=0;i<str.length;i++)
		{
			if(str[i].checked) { flag = "Y"; }
		}
	}
	
	if(flag == "N") { alert(fieldVal+"¸¦ ¼±ÅÃÇØ ÁÖ¼¼¿ä."); return false; }
	else { return true; }
}

///////////////////// ·¹´ë¿À ¹öÆ° üũ ///////////////////////////////

// ºó ¾ÆÀÌÅÛÀ» È®ÀÎÇÏ°í ¿À·ù¸Þ½ÃÁö POP UP 
function IsEmptyRtnMsg(obj,msg,len) {
	var toCheck = obj.value;
	var chkstr = toCheck + "";
	var is_Space = true;
	if ((chkstr =="")||(chkstr == null)) {
		alert(msg + " ÀÔ·ÂÇϽʽÿÀ.");
		obj.focus();
		//obj.select();
		return true;
	}
	for (j=0; is_Space && (j<chkstr.length); j++)	{
		if (chkstr.substring(j,j+1) != "")
			is_Space = false;
	}
	if (is_Space)	{
		alert(msg + " ÀÔ·ÂÇϽʽÿÀ.");
		obj.focus();
		//obj.select();
		return true;
	}
	if (len != null)	{
		if (StrLeng(obj.value) > len)	{
			alert(msg + " ÇÑ±Û " + len/2 + ",¿µ¹® "+len+"ÀÚ À̳»·Î ÀÔ·ÂÇϽʽÿÀ.");
			obj.focus();
			//obj.select();
			return true;
		} else {
			return false;
		}
	}else return false;
}

// ¼ýÀÚÀÎÁö, ºñ¾îÀÖ´Â Áö ÆǺ°ÇÏ°í ¿À·ù¸Þ½ÃÁö Pop Up
function IsEmptyOrNotIntegerRtnMsg( obj, msg, len )	{
	var st = obj.value;
	if (!IsEmpty(st)) {
		for (j=0; (j<st.length); j++) {
			if ((st.substring(j,j+1) < "0")||(st.substring(j,j+1) > "9")) {
				alert(msg+" ¼ýÀÚ·Î ÀÔ·ÂÇϽʽÿÀ.");
				obj.focus();
				//obj.select();
				return true;
			}
		}
	}	else	{
			alert(msg+" ÀÔ·ÂÇϽʽÿÀ");
			obj.focus();
			//obj.select();
			return true;
	}
	if (len != null) {
		if (StrLeng(st) != len)	{
			alert(msg+""+len+"ÀÚ·Î ÀÔ·ÂÇϽʽÿÀ.");
			obj.focus();
			//obj.select();
			return true;
		}
	}
	return false;
}

// ºñ¾î ÀÖ´ÂÁö¸¦  È®ÀÎ
function IsEmpty(toCheck)
{
	var chkstr = toCheck + "";
	var is_Space = true;
	if ((chkstr =="")||(chkstr == null)) {
		return true;
	}
	for (j=0; is_Space && (j<chkstr.length); j++)	{
		if (chkstr.substring(j,j+1) != "")
			is_Space = false;
	}
    return ( is_Space );
}

//¼ýÀÚÀÎÁö È®ÀÎ
function IsInteger(st)
{
    if (!IsEmpty(st)){
       for (j=0; j<st.length; j++){
         if (((st.substring(j, j+1) < "0") || (st.substring(j, j+1) > "9")))
	     return false;
       }
    } else {
       return false ;
    }
    return true ;
}


////////////  enter Ä¡¸é ´ÙÀ½ Çʵå·Î ÀÚµ¿À̵¿ ////////////////////////
function handleEnter (field, event)
{
	var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
	if (keyCode == 13) 
	{
		var i;
        for (i = 0; i < field.form.elements.length; i++)
		{
			if (field == field.form.elements[i]) break;
		}
		i = (i + 1) % field.form.elements.length;
		field.form.elements[i].focus();
		return false;
	} 
    else return true;
}    
////////////  enter Ä¡¸é ´ÙÀ½ Çʵå·Î ÀÚµ¿À̵¿ ////////////////////////

// ¿µ¹®ÀÚ¿Í ¼ýÀÚ¸¸ ÀÔ·Â¹Þ°Ô // 
function valiCheckField(field) 
{
	var valid = "abcdefghijklmnopqrstuvwxyz0123456789"
	var ok = "yes";
	var temp;
	for (var i=0; i<field.value.length; i++) 
	{
		temp = "" + field.value.substring(i, i+1);
		if (valid.indexOf(temp) == "-1") ok = "no";
	}
	if (ok == "no") 
	{
		alert("¼Ò¹®ÀÚ ¿µ¹®°ú ¼ýÀÚ¸¸ ÀÔ·ÂÇÒ ¼ö ÀÖ½À´Ï´Ù");
		field.focus();
		field.select();
	}
}
// ¿µ¹®ÀÚ¿Í ¼ýÀÚ¸¸ ÀÔ·Â¹Þ°Ô // 

// ¿µ¹®ÀÚ¿Í ¼ýÀÚ¸¸ ÀÖ´ÂÁö üũ // 
function valiCheck(field) 
{
	var valid = "abcdefghijklmnopqrstuvwxyz0123456789"
	var ok = "yes";
	var temp;
	for (var i=0; i<field.length; i++) 
	{
		temp = "" + field.substring(i, i+1);
		if (valid.indexOf(temp) == "-1") ok = "no";
	}
	if (ok == "no") 
	{
		alert("¼Ò¹®ÀÚ ¿µ¹®°ú ¼ýÀÚ¸¸ ÀÔ·ÂÇÒ ¼ö ÀÖ½À´Ï´Ù");
		return false;
	}

	return true;
}
// ¿µ¹®ÀÚ¿Í ¼ýÀÚ¸¸ ÀÖ´ÂÁö üũ // 


function setCookie(name,value,expiredays ) 
{ 
        var todayDate = new Date(); 
        todayDate.setDate( todayDate.getDate() + expiredays ); 
        document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";" 
}

function getCookie( name )
{ 
	var nameOfCookie = name + "="; 
    var x = 0; 
    while ( x <= document.cookie.length ) 
    { 
		var y = (x+nameOfCookie.length); 
        if ( document.cookie.substring( x, y ) == nameOfCookie )
		{ 
			if ( (endOfCookie=document.cookie.indexOf( ";", y )) == -1 ) 
				endOfCookie = document.cookie.length; 
                return unescape( document.cookie.substring( y, endOfCookie ) ); 
		} 
        x = document.cookie.indexOf( " ", x ) + 1; 
        if ( x == 0 ) 
			break; 
	} 
    return; 
}

//////////////////// ÁֹιøÈ£ üũ ////////////////////
function validSerial(ssn1,ssn2)
{
	var PNO1 = ssn1;
	var PNO2 = ssn2;
	var PN1 = ssn1.value;
	var PN2 = ssn2.value;


	PN = PN1+'-'+PN2;
			
	if (PN.length !=14)
	{
		alert("À¯È¿ÇÏÁö ¾ÊÀº Áֹεî·Ï¹øÈ£ ÀÔ´Ï´Ù.");
		PNO1.focus();
		return false;
	}

	PN1=PN.substr(0,6);
	PN2=PN.substr(7,7);
	chk=0;
	for (i=0;i<=5;i++) chk=chk+((i%8+2)*parseInt(PN1.substring(i,i+1)));
			
	for (i=6;i<=11;i++) chk=chk+((i%8+2)*parseInt(PN2.substring(i-6,i-5)));
			
	chk=11-(chk%11);
	chk=chk%10;
			
	if (chk !=PN2.substring(6,7))
	{
		alert("À¯È¿ÇÏÁö ¾ÊÀº Áֹεî·Ï¹øÈ£ÀÔ´Ï´Ù.\\nÁֹεî·Ï¹øÈ£¸¦ ´Ù½Ã ÀÔ·ÂÇØ ÁֽʽÿÀ");
		PNO1.focus();
		return false;
	}
	return true;
}
//////////////////// ÁֹιøÈ£ üũ ////////////////////


/////////// ÁֹιøÈ£·Î »ý³â¿ùÀÏ ±¸Çϱâ //////////////////
function snFromBirth(sn1,sn2)
{
	if ((sn1 != "") && (sn2 != ""))
	{
		var year = "";
		var sex = "";
		var flag = sn2.substr(0,1);

		if((flag == "1") || (flag == "3")) sex = "M";
		else sex = "W";

		if ((flag == "1") || (flag == "2")) { year = "19"; }
		else { year = "20"; }

		year += sn1.substr(0,2);
		month = sn1.substr(2,2);
		day = sn1.substr(4,2);
		
		var birthday = year+"-"+month+"-"+day+"-"+sex;

		return birthday;
	}
}
/////////// ÁֹιøÈ£·Î »ý³â¿ùÀÏ ±¸Çϱâ //////////////////