// ¿Ü±¹ÀιøÈ£ üũ
function check_fgnno(fgnno){
        var sum=0;
        var odd=0;
        buf = new Array(13);
        for(i=0; i<13; i++) { buf[i]=parseInt(fgnno.charAt(i)); }
        odd = buf[7]*10 + buf[8];
        if(odd%2 != 0) { return false; }
        if( (buf[11]!=6) && (buf[11]!=7) && (buf[11]!=8) && (buf[11]!=9) ) {
                return false;
        }
        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]); }
        sum = 11 - (sum%11);
        if(sum >= 10) { sum -= 10; }
        sum += 2;
        if(sum >= 10) { sum -= 10; }
        if(sum != buf[12]) { return false }
        return true;
}

// ÁֹιøÈ£ üũ
function check_juminno(juminno) {
        if(juminno=="" || juminno==null || juminno.length!=13) {
                alert("Áֹεî·Ï¹øÈ£¸¦ Àû¾îÁÖ¼¼¿ä.");
                return false;
        }
        var jumin1 = juminno.substr(0,6);
        var jumin2 = juminno.substr(6,7);
        var yy           = jumin1.substr(0,2);        // ³âµµ
        var mm     = jumin1.substr(2,2);        // ¿ù
        var dd     = jumin1.substr(4,2);        // ÀÏ
        var genda  = jumin2.substr(0,1);        // ¼ºº°
        var msg, ss, cc;

        // ¼ýÀÚ°¡ ¾Æ´Ñ °ÍÀ» ÀÔ·ÂÇÑ °æ¿ì
        if (!isNumeric(jumin1)) {
                alert("Áֹεî·Ï¹øÈ£ ¾ÕÀÚ¸®¸¦ ¼ýÀÚ·Î ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // ±æÀÌ°¡ 6ÀÌ ¾Æ´Ñ °æ¿ì
        if (jumin1.length != 6) {
                alert("Áֹεî·Ï¹øÈ£ ¾ÕÀÚ¸®¸¦ ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // ù¹ø° ÀÚ·á¿¡¼­ ¿¬¿ùÀÏ(YYMMDD) Çü½Ä Áß ±âº» ±¸¼º °Ë»ç
        if (yy < "00" || yy > "99" ||
                mm < "01" || mm > "12" ||
                dd < "01" || dd > "31") {
                alert("Áֹεî·Ï¹øÈ£ ¾ÕÀÚ¸®¸¦ ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // ¼ýÀÚ°¡ ¾Æ´Ñ °ÍÀ» ÀÔ·ÂÇÑ °æ¿ì
        if (!isNumeric(jumin2)) {
                alert("Áֹεî·Ï¹øÈ£ µÞÀÚ¸®¸¦ ¼ýÀÚ·Î ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // ±æÀÌ°¡ 7ÀÌ ¾Æ´Ñ °æ¿ì
        if (jumin2.length != 7) {
                alert("Áֹεî·Ï¹øÈ£ µÞÀÚ¸®¸¦ ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // ¼ºº°ºÎºÐÀÌ 1 ~ 4 °¡ ¾Æ´Ñ °æ¿ì
        if (genda < "1" || genda > "4") {
                alert("Áֹεî·Ï¹øÈ£ µÞÀÚ¸®¸¦ ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // ¿¬µµ °è»ê - 1 ¶Ç´Â 2: 1900³â´ë, 3 ¶Ç´Â 4: 2000³â´ë
        cc = (genda == "1" || genda == "2") ? "19" : "20";
        // ù¹ø° ÀÚ·á¿¡¼­ ¿¬¿ùÀÏ(YYMMDD) Çü½Ä Áß ³¯Â¥ Çü½Ä °Ë»ç
        if (isYYYYMMDD(parseInt(cc+yy), parseInt(mm), parseInt(dd)) == false) {
                alert("Áֹεî·Ï¹øÈ£ ¾ÕÀÚ¸®¸¦ ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // Check Digit °Ë»ç
        if (!isSSN(jumin1, jumin2)) {
                alert("ÀÔ·ÂÇÑ Áֹεî·Ï¹øÈ£¸¦ °ËÅäÇÑ ÈÄ, ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        return true;
}

// »ç¾÷ÀÚµî·Ï¹øÈ£ üũ
function check_busino(vencod) {
        var sum = 0;
        var getlist =new Array(10);
        var chkvalue =new Array("1","3","7","1","3","7","1","3","5");
        for(var i=0; i<10; i++) { getlist[i] = vencod.substring(i, i+1); }
        for(var i=0; i<9; i++) { sum += getlist[i]*chkvalue[i]; }
        sum = sum + parseInt((getlist[8]*5)/10);
        sidliy = sum % 10;
        sidchk = 0;
        if(sidliy != 0) { sidchk = 10 - sidliy; }
        else { sidchk = 0; }
        if(sidchk != getlist[9]) { return false; }
        return true;
}


function isYYYYMMDD(y, m, d) {
        switch (m) {
        case 2:        // 2¿ùÀÇ °æ¿ì
                if (d > 29) return false;
                if (d == 29) {
                        // 2¿ù 29ÀÇ °æ¿ì ´çÇØ°¡ À±³âÀÎÁö¸¦ È®ÀÎ
                        if ((y % 4 != 0) || (y % 100 == 0) && (y % 400 != 0))
                                return false;
                }
                break;
        case 4:        // ÀÛÀº ´ÞÀÇ °æ¿ì
        case 6:
        case 9:
        case 11:
                if (d == 31) return false;
        }
        // Å« ´ÞÀÇ °æ¿ì
        return true;
}
function isNumeric(s) {
        for (i=0; i<s.length; i++) {
                c = s.substr(i, 1);
                if (c < "0" || c > "9") return false;
        }
        return true;
}
function isLeapYear(y) {
        if (y < 100)
        y = y + 1900;
        if ( (y % 4 == 0) && (y % 100 != 0) || (y % 400 == 0) ) {
                return true;
        } else {
                return false;
        }
}
function getNumberOfDate(yy, mm) {
        month = new Array(29,31,28,31,30,31,30,31,31,30,31,30,31);
        if (mm == 2 && isLeapYear(yy)) mm = 0;
        return month[mm];
}
function isSSN(s1, s2) {
        n = 2;
        sum = 0;
        for (i=0; i<s1.length; i++)
                sum += parseInt(s1.substr(i, 1)) * n++;
        for (i=0; i<s2.length-1; i++) {
                sum += parseInt(s2.substr(i, 1)) * n++;
                if (n == 10) n = 2;
        }
        c = 11 - sum % 11;
        if (c == 11) c = 1;
        if (c == 10) c = 0;
        if (c != parseInt(s2.substr(6, 1))) return false;
        else return true;
}


function emailCheck(emailStr) 
{
	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
	var matchArray=emailStr.match(emailPat)

	if (matchArray==null) return false;

	var user=matchArray[1]
	var domain=matchArray[2]

	if (user.match(userPat)==null) return false;

	var IPArray=domain.match(ipDomainPat)

	if (IPArray!=null) 
	{
		for (var i=1;i<=4;i++) 
		{
			if (IPArray[i]>255) return false;
		}
	}

	var domainArray=domain.match(domainPat)

	if (domainArray==null) return false;

	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) 
		return false;

	if (len < 2) return false;

	return true;
}

function radioCheckValue(obj)
{
	var tmp = obj.length;

	for (var i=0; i < obj.length; i++) 
	{
		if (obj[i].checked) return obj[i].value;
	}
}

function sitego(obj)
{
	var val = obj.options[obj.selectedIndex].value;

	if(val != "")
		window.open(val);
	obj.options[0].selected = true;
}
function contactus_view()
{
	contactus_win = window.open("/sitemap/contactus.php","contact","top=20,left=200,width=600,height=500,history=no,resizable=no,status=no,scrollbars=yes,menubar=no");
	contactus_win.focus();

}

function checkbox_count(form,val,idx)
{
	var val_count = 0;
	
	for(var i = 0; i < form.elements.length; i++) 
	{
		if (idx)
		{
			if (form.elements[i].name == val && form.elements[i].checked) 
				val_count++;
		}else{
			
			if (form.elements[i].name.substr(0,val.length) == val && form.elements[i].checked) 
				val_count++;
		}
	}
	return val_count;
}