function get_cookie ( cookie_name )
{
  var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' );

  if ( results )
    return ( unescape ( results[2] ) );
  else
    return null;
}

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();
  }

  if ( path )
        cookie_string += "; path=" + escape ( path );

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


    if ( ! get_cookie ( "username" ) )
    {
    window.addEvent('domready', function() {
        slideUp = new Fx.Tween('footerad', { property: 'height', duration: 1000 });
        (function(){ slideUp.start(0, 178) }).delay('1000');
        $('adclose').addEvent('click', function() {
            $('footerad').tween('height', 0);
        });
        
        $('dontshow').addEvent('click', function() {
            $('footerad').tween('height', 0);
            var username = 1;
            set_cookie ( "username", username );
        });
        
});
}