function EmailCK(Str) {
	if(Str.length > 0) {
		re = new RegExp("([a-zA-Z0-9,_]{2,15})@([a-zA-Z0-9]{2,15}).([a-zA-Z0-9]{2,15})");
		exe = re.test(Str);
		return exe;
	} else {
		return true;
	}
}
function IDCK(Str) {
	for (var i=0,j=0; i < Str.length; i++) {
		ch = Str.charAt(i);
		if ( !(ch >= 'a' && ch <= 'z') && !(ch >= 'A' && ch <= 'Z') && !(ch >= '0' && ch <= '9') && ch != '-' && ch != '_' ) {
			j++;
		}
	}
	if(j) return false;
	else return true;
}
function NumCK(Str) {
	for (var i=0,j=0; i < Str.length; i++) {
		ch = Str.charAt(i);
		if (!(ch >= '0' && ch <= '9')) {
			j++;
		}
	}
	if(j) return false;
	else return true;
}
function IsIdNumberCheck(checkStr) {
		a = checkStr.charAt(0) * 2;
		b = checkStr.charAt(1) * 3;
		c = checkStr.charAt(2) * 4;
		d = checkStr.charAt(3) * 5;
		e = checkStr.charAt(4) * 6;
		f = checkStr.charAt(5) * 7;
		g = checkStr.charAt(6) * 8;
		h = checkStr.charAt(7) * 9;
		i = checkStr.charAt(8) * 2;
		j = checkStr.charAt(9) * 3;
		k = checkStr.charAt(10) * 4;
		l = checkStr.charAt(11) * 5;
		m = checkStr.charAt(12);
		if(m == ((11 - ((a + b + c + d + e + f + g + h + i + j + k + l) % 11)))%10)
			return (true); 
		else 
			return (false); 
}

function check()
{
	if (document.member.m_id)
	{
		if (document.member.m_id.value.length < 4 || document.member.m_id.value.length > 16 ||!IDCK(document.member.m_id.value)) {
			alert("¾ÆÀ̵ð(ID)¸¦ ÀÔ·ÂÇØÁÖ¼¼¿ä. 4~16ÀÚÀÇ ¿µ¹®¼Ò¹®ÀÚ, ¼ýÀÚ, '_', '-' ¸¸ °¡´ÉÇÕ´Ï´Ù.");
			document.member.m_id.focus();	
			return false;
		}
	}
	if (document.member.mode.value != "modify")
	{
		if (document.member.m_pw.value.length < 3 || document.member.m_pw.value.length > 10) {
			alert("ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇØÁÖ¼¼¿ä. 4~10ÀÚÀÇ ¿µ¹®, ¼ýÀÚ, Ư¼ö¹®ÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù. ");
			document.member.m_pw.focus();	
			return false;
		}
	}
	if (document.member.m_pw.value != document.member.m_pw_re.value) {
		alert("ºñ¹Ð¹øÈ£¿Í ºñ¹Ð¹øÈ£ È®ÀÎÀÌ ÀÏÄ¡ÇÏÁö ¾Ê½À´Ï´Ù.");
		document.member.m_pw_re.focus();
		return false;
	}
	if (document.member.m_name.value.length == 0){
		alert("À̸§À» ÀÔ·ÂÇϼ¼¿ä.");
		document.member.m_name.focus();
		return false;
	}
	if (document.member.m_jumin_1)
	{
		if (document.member.m_jumin_1.value.length != 6 || document.member.m_jumin_2.value.length != 7){
			alert("ÁֹιøÈ£¸¦ Á¤È®È÷ ÀÔ·ÂÇϼ¼¿ä.");
			document.member.m_jumin_1.focus();
			return false;
		}
		jum = document.member.m_jumin_2.value.substring(0,1);
		if(jum != "1" && jum != "2" && jum != "3" & jum != "4"){
			alert("ÁֹιøÈ£¸¦ Á¤È®È÷ ÀÔ·ÂÇϼ¼¿ä.");
			document.member.m_jumin_2.focus();
			return false;
		}
		jumin = document.member.m_jumin_1.value + document.member.m_jumin_2.value;
		if (!IsIdNumberCheck(jumin)){
			alert("ÁֹιøÈ£¸¦ Á¤È®È÷ ÀÔ·ÂÇϼ¼¿ä.");
			document.member.m_jumin_1.focus();
			return false;
		}
	}
	if(document.member.m_birth_y.selectedIndex == ""){
		alert("»ý³â¿ùÀÏ ³âµµ¸¦ ¼±ÅÃÇØÁÖ¼¼¿ä.");
		document.member.m_birth_y.focus();
		return false;
	}
	if(document.member.m_birth_m.selectedIndex == ""){
		alert("»ý³â¿ùÀÏ ¿ùÀ» ¼±ÅÃÇØÁÖ¼¼¿ä.");
		document.member.m_birth_m.focus();
		return false;
	}
	if(document.member.m_birth_d.selectedIndex == ""){
		alert("»ý³â¿ùÀÏ ÀÏÀ» ¼±ÅÃÇØÁÖ¼¼¿ä.");
		document.member.m_birth_d.focus();
		return false;
	}
	if (document.member.m_phone_1.value.length < 2 || !NumCK(document.member.m_phone_1.value)) {
		alert("ÀüÈ­¹øÈ£¸¦ Á¤È®È÷ ¼±ÅÃÇØÁÖ¼¼¿ä.");
		document.member.m_phone_1.focus();
		return false;
	}
	if (document.member.m_phone_2.value.length < 3 || !NumCK(document.member.m_phone_2.value)) {
		alert("ÀüÈ­¹øÈ£¸¦ Á¤È®È÷ ¼±ÅÃÇØÁÖ¼¼¿ä.");
		document.member.m_phone_2.focus();
		return false;
	}
	if (document.member.m_phone_3.value.length < 4 || !NumCK(document.member.m_phone_3.value)) {
		alert("ÀüÈ­¹øÈ£¸¦ Á¤È®È÷ ¼±ÅÃÇØÁÖ¼¼¿ä.");
		document.member.m_phone_3.focus();
		return false;
	}
	if (document.member.m_hp_1.value.length != 0 && !NumCK(document.member.m_hp_1.value)) {
		alert("ÇÚµåÆù¹øÈ£¸¦ Á¤È®È÷ ¼±ÅÃÇØÁÖ¼¼¿ä.");
		document.member.m_hp_1.focus();
		return false;
	}
	if (document.member.m_hp_2.value.length != 0 && !NumCK(document.member.m_hp_2.value)) {
		alert("ÇÚµåÆù¹øÈ£¸¦ Á¤È®È÷ ¼±ÅÃÇØÁÖ¼¼¿ä.");
		document.member.m_hp_2.focus();
		return false;
	}
	if (document.member.m_hp_3.value.length != 0 && !NumCK(document.member.m_hp_3.value)) {
		alert("ÇÚµåÆù¹øÈ£¸¦ Á¤È®È÷ ¼±ÅÃÇØÁÖ¼¼¿ä.");
		document.member.m_hp_3.focus();
		return false;
	}
	if (document.member.m_post_1.value.length != 3 || !NumCK(document.member.m_post_1.value)) {
		alert("¿ìÆí¹øÈ£¸¦ Á¤È®È÷ ¼±ÅÃÇØÁÖ¼¼¿ä.");
		document.member.m_post_1.focus();
		return false;
	}
	if (document.member.m_post_2.value.length != 3 || !NumCK(document.member.m_post_2.value)) {
		alert("¿ìÆí¹øÈ£¸¦ Á¤È®È÷ ¼±ÅÃÇØÁÖ¼¼¿ä.");
		document.member.m_post_2.focus();
		return false;
	}
	if (document.member.m_addr1.value.length == 0){
		alert("ÁÖ¼Ò¸¦ ÀÔ·ÂÇϼ¼¿ä.");
		document.member.m_addr1.focus();
		return false;
	}
	if (document.member.m_addr2.value.length == 0){
		alert("³ª¸ÓÁö ÁÖ¼Ò¸¦ ÀÔ·ÂÇϼ¼¿ä.");
		document.member.m_addr2.focus();
		return false;
	}
	if (!EmailCK(document.member.m_email.value) || document.member.m_email.value.length == 0){
		alert("¸ÞÀÏÀ» Á¤È®È÷ ÀÔ·ÂÇϼ¼¿ä.");
		document.member.m_email.focus();
		return false;
	}
	if (document.member.m_email.value.toUpperCase().indexOf('HANMAIL') > -1 || document.member.m_email.value.toUpperCase().indexOf('DAUM') > -1){
		alert("´ÙÀ½,ÇѸÞÀÏÀ» Á¦È¸ÇÑ ¸ÞÀÏÀ» Á¤È®È÷ ÀÔ·ÂÇϼ¼¿ä.");
		document.member.m_email.focus();
		return false;
	}
}

function birth_input()
{
	var frm = document.member;

	if(NumCK(frm.jumin_1.value) && frm.jumin_1.value.length == 6)
	{
		if(frm.jumin_1.value.substring(0,2) > "19") b_year = "19" + frm.jumin_1.value.substring(0,2);
		else b_year = "20" + frm.jumin_1.value.substring(0,2);

		b_year = b_year - 1919;


		b_mon = frm.jumin_1.value.substring(2,4);
		b_day = frm.jumin_1.value.substring(4,6);

		if (frm.birth_y[b_year]) frm.birth_y[b_year].selected = true;
		if (frm.birth_m[b_mon]) frm.birth_m[b_mon].selected = true;
		if (frm.birth_d[b_day]) frm.birth_d[b_day].selected = true;

		frm.jumin_2.focus();
	}

}

function sex_input()
{
	var frm = document.member;
	var val = frm.jumin_2.value.substring(0,1);

	if(val == 1 || val == 3) frm.sex[0].checked = true;
	else if(val == 2 || val == 4) frm.sex[1].checked = true;

	frm.phone_1.focus();
}