function check_enter(id) {
loginForm= document.getElementById('login_form');
	if(event.keyCode == 13) {
		if(id == "id") loginForm.pwd.focus();
		else if(id == "pwd") login();

		event.returnValue = false;
	}
}

function login() {
loginForm= document.getElementById('login_form');
	if(loginForm.id.value == "") {
		alert("¾ÆÀ̵𸦠ÀÔ·ÂÇØÁÖ¼¼¿ä.");
		loginForm.id.focus();
		return;
	} else if(loginForm.pwd.value == "") {
		alert("Æнº¿öµå¸¦ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
		loginForm.pwd.focus();
		return;
	}

	loginForm.action = "ttmember.cgi?act=login";
	loginForm.submit();
}

function logout() {
loginForm= document.getElementById('login_form');

	loginForm.action = "ttmember.cgi?act=logout";
	loginForm.submit();
}

function set_autologin() {
loginForm= document.getElementById('login_form');
	loginForm.action = "ttmember.cgi?act=login_set_autologin";
	loginForm.submit();
}

function find_id() {
	parent.location.href = "ttmember.cgi?act=join_find_id";
}

function find_pwd() {
	parent.location.href = "ttmember.cgi?act=join_find_pwd";
}

function write_total_time(total_time) {
	var hour, min, sec;

	if(arguments.length == 0) return;

	hour = parseInt(total_time / (60*60));
	min = parseInt((total_time - hour*60*60) / 60);
	sec = parseInt(total_time - hour*60*60 - min*60);

	document.write(hour + "½Ã°£ " + min + "ºÐ " + sec + "ÃÊ");
}