function showcontent(items) {
  $('unsafecontent').hide();
  new Effect.Fade('blackout',{from:0.80,to:0,queue:'end'});
  items.each(function(obj){new Effect.Appear(obj,{queue:'end'});});
  var cookies=new Cookies();
  cookies.set('safe','false');
}
function cancelcontent() {
  $('unsafecontent').hide();
  new Effect.Fade('blackout',{from:0.80,to:0,queue:'end'});
}
function blackout() {
  $('unsafecontent').show();
  new Effect.Appear('blackout',{from:0,to:0.80,queue:'end'});
}