function login_chk() {
		if(document.frm_login.txt_iid.value.length == 0) {
		alert("ID¸¦ ÀÔ·ÂÇϼ¼¿ä.");
		document.frm_login.txt_iid.focus();
		return false;
	}
	else if (document.frm_login.txt_iid.value.length < 4) {
		alert("ID´Â 4ÀÚ~12ÀÚ ¾ÈÀ¸·Î ÀÔ·ÂÇÏ¼Å¾ß ÇÕ´Ï´Ù.")
		document.frm_login.txt_iid.focus();
		return false;
	}
	else {
	}

	if(document.frm_login.txt_ipass.value.length == 0) {
		alert("ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä.");
		document.frm_login.txt_ipass.focus();
		return false;
	}
	else if (document.frm_login.txt_ipass.value.length < 4) {
		alert("ºñ¹Ð¹øÈ£´Â 4ÀÚ~12ÀÚ ¾ÈÀ¸·Î ÀÔ·ÂÇÏ¼Å¾ß ÇÕ´Ï´Ù.")
			document.frm_login.txt_ipass.focus();
		return false;
	}
	else {
	}

	document.frm_login.submit();
}

function focus_login() {
	document.frm_login.txt_iid.focus();
}

function exitgo() {
	var yes_no;
	yes_no = confirm("Á¤¸»·Î Å»ÅðÇϽðڽÀ´Ï±î?")
	if(yes_no == 1) {
		location.href="exitok.asp"
	}
	else {
		return false;
	}
}

function f_idpw()
{

	var x,y
	x = screen.width;
	y = screen.height;

	x= (x-800)/3;
	y = (y-400)/3;
	str = "../member/findidpw.asp"
	str2 = "width=380,height=300,scrollbars=no,"+"top="+y+",left="+x;
	window.open(str,'find_idpw',str2);

}

function go_poll(idx)
{

	var x,y
	x = screen.width;
	y = screen.height;

	x= (x-800)/3;
	y = (y-400)/3;
	if (idx == "no")	{
		str = "../poll/poll_list.asp?poll="
	}
	else {
		str = "../poll/poll_list.asp?poll="+idx
	}
	
	str2 = "width=420,height=450,scrollbars=yes,"+"top="+y+",left="+x;
	window.open(str,'poll',str2);

}

function article_info(pg,idx)
{
	var x,y
	x = screen.width;
	y = screen.height;

	x= (x-800)/3;
	y = (y-400)/3;
	str = "../common/article_info.asp?pg="+pg+"&idx="+idx
	
	str2 = "width=480,height=600,scrollbars=yes,"+"top="+y+",left="+x;
	window.open(str,'article_info',str2);
}

function imgsize(img,size){
	if (img.width > size){
		img.width = size-1 ;
		img.width = size-1 ;
	}
}