function sualchk(chkfield)
{
	var checkOK = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	var checkStr = chkfield;
	var allValid = true;
	var allNum = "";
	checkStr = checkStr.toUpperCase();
	for (i = 0;  i < checkStr.length;  i++)
	{
		ch = checkStr.charAt(i);
		for (j = 0;  j < checkOK.length;  j++)
		if (ch == checkOK.charAt(j))
		break;
		if (j == checkOK.length)
		{
			allValid = false;
			break;
		}
	}
	if (allValid == false) return false;
	if (allValid == true) return true;
}
function suchk(chkfield)
{
	var checkOK = "0123456789";
	var checkStr = chkfield;
	var allValid = true;
	var allNum = "";
	for (i = 0;  i < checkStr.length;  i++)
	{
		ch = checkStr.charAt(i);
		for (j = 0;  j < checkOK.length;  j++)
		if (ch == checkOK.charAt(j))
		break;
		if (j == checkOK.length)
		{
			allValid = false;
			break;
		}
	}
	if (allValid == false) return false;
	if (allValid == true) return true;
}
function gulsu(chkfield,textsu)
{
	var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
	var checkStr = chkfield;
	var txtsu = eval(textsu);
	var allNum = 0;
	checkStr = checkStr.toUpperCase();
	for (i = 0;  i < checkStr.length;  i++)
	{
		ch = checkStr.charAt(i);
		for (j = 0;  j < checkOK.length;  j++)
		{
			if (ch == checkOK.charAt(j))
			{
				allNum = allNum + 1;
				break;
			}
		    if (j+1 == checkOK.length)
		    {
				allNum = allNum + 2;
				break;
		    }
		}
	}
	if (allNum <= txtsu) return true;
	if (allNum > txtsu) return false;
}
function removeblank(s)
{
	var temp="";
	var cou=0;
	for(var i=0;i < s.length;++i)
	{
		var c=s.charAt(i);
		if(c!=" ") temp +=c;
	}
	return temp;
}
function exjoinchk()
{
	var tmp_jumin1 = "", tmp_jumin2 = "";
	var i = 0, j = 0, nCheckDigit = 0, nCheckTotal = 0, k=0;
	if(exjoinform.jumin1.value.length < 6 )
    {
		alert("Áֹεî·Ï ¹øÈ£¸¦ Á¤È®È÷ ÀÔ·ÂÇϽʽÿä.");
        exjoinform.jumin1.focus();
        return false;
	}
	if( exjoinform.jumin2.value.length < 7)
    {
		alert("Áֹεî·Ï ¹øÈ£¸¦ Á¤È®È÷ ÀÔ·ÂÇϽʽÿä.");
        exjoinform.jumin2.focus();
        return false;  
	}
	
	tmp_jumin1 = exjoinform.jumin1.value;
	tmp_jumin2 = exjoinform.jumin2.value;
	tmp_jumin1 += tmp_jumin2;   
	for(i=1;i<13;i++) 
	{
		j = i + 1;
		if(j>9) {j -= 8};
	    if (tmp_jumin1.substring(i - 1, i) < "0" || tmp_jumin1.substring(i - 1, i) > "9")
	    {
			alert("Áֹεî·Ï ¹øÈ£¸¦ Á¤È®È÷ ÀÔ·ÂÇϽʽÿä.");
	        exjoinform.jumin1.focus();
			exjoinform.jumin1.select();
	        return;  
		}
		nCheckDigit = (parseInt(tmp_jumin1.substring(i - 1, i)) * j);
		nCheckTotal += nCheckDigit;
	}   
	nCheckDigit = (nCheckTotal % 11);   
	if(nCheckDigit == 0) 
	{
		nCheckDigit = 1;
	}
	else if(nCheckDigit == 1) 
	{
		nCheckDigit = 0;
	}
	else  
	{
		nCheckDigit = 11 - nCheckDigit;
	}
	if(tmp_jumin2.substring(6,7) == '0') k=0; 
	else if(tmp_jumin2.substring(6,7) == '1') k=1; 
	else if(tmp_jumin2.substring(6,7) == '2') k=2; 
	else if(tmp_jumin2.substring(6,7) == '3') k=3; 
	else if(tmp_jumin2.substring(6,7) == '4') k=4; 
	else if(tmp_jumin2.substring(6,7) == '5') k=5; 
	else if(tmp_jumin2.substring(6,7) == '6') k=6; 
	else if(tmp_jumin2.substring(6,7) == '7') k=7; 
	else if(tmp_jumin2.substring(6,7) == '8') k=8; 
	else k=9; 
	if(nCheckTotal < 20 || ( nCheckDigit != k )) 
	{
		alert("Áֹεî·Ï¹øÈ£¿¡·¯\nÁֹεî·Ï ¹øÈ£¸¦ Á¤È®È÷ ÀÔ·ÂÇϽʽÿä.");
		exjoinform.jumin2.select();
		exjoinform.jumin2.focus();
		return false;
	}
	
	window.open("exjoin_chk.asp?ss1=" + exjoinform.jumin1.value+"&ss2="+exjoinform.jumin2.value,'ExIdChk','width=550,height=300');
	return false;
}