function set_cookie(name, value, exp_y, exp_m, exp_d, path, domain, secure)
{
  var cookie_string = name + "=" + escape(value);
  if (exp_y)
  {
    var expires = new Date (exp_y, exp_m, exp_d);
    cookie_string += "; expires=" + expires.toGMTString();
  }
  
  cookie_string += "; path=/";

  if (domain)
        cookie_string += "; domain=" + escape (domain);
  
  if (secure)
        cookie_string += "; secure";
  
  document.cookie = cookie_string;
}