function loginck(form)
{
	if (form.id.value.length==0)
   {
      alert('ID¸¦ ÀÔ·ÂÇϼ¼¿ä');
      form.id.focus();
      return false;
   }
   if (form.pw.value.length==0)
   {
      alert('Password¸¦ ÀÔ·ÂÇϼ¼¿ä');
      form.pw.focus();
      return false;
   }
   return true;
}