function sub_mit(formEl) {
	var errorMessage = null;
	var objFocus = null;

	if (formEl.id.value.length == 0) {
		errorMessage = "¾ÆÀ̵𸦠³Ö¾îÁÖ¼¼¿ä.";
		objFocus = formEl.id;
	}else if(formEl.pwd.value.length == 0) {
		errorMessage = "ºñ¹Ð¹øÈ£¸¦ ³Ö¾îÁÖ¼¼¿ä.";
		objFocus = formEl.pwd;
	}

	if(errorMessage != null) {
		alert(errorMessage);
		objFocus.focus();
		return false;
	}
	return true;
}