function getCookie(c_name) {
  if (document.cookie.length > 0) {
    c_start=document.cookie.indexOf(c_name + "=")
    if (c_start != -1) { 
      c_start = c_start + c_name.length + 1 
      c_end = document.cookie.indexOf(";", c_start)
      if (c_end == -1) c_end = document.cookie.length
      return unescape(document.cookie.substring(c_start, c_end))
    } 
  }
  return null
}

function setCookie(cookieName, cookieValue, nDays) {
  var today = new Date();
  var expire = new Date();
  if (nDays == null || nDays == 0) nDays = 1;
  expire.setTime(today.getTime() + 3600000 * 24 * nDays);
  document.cookie = cookieName + "=" + escape(cookieValue) + ";expires=" + expire.toGMTString();
}
  
function checkCookie(form) {
  username = getCookie('username');
  password = getCookie('password');
  if ((username != null) && (username != '') && (password != null) && (password != '')) {
    document.forms[form].username.value = username;
    document.forms[form].password.value = password;
	document.forms[form].remember.checked = true;
  }
}