function rotate(obj1,obj2){
    new Effect.BlindUp(obj1);
    if(el = $(obj1+'s')){el.toggleClassName("active");}
    Element.show(obj2);
    if(el = $(obj2+'s')){el.toggleClassName("active");}
//     if(obj1!=obj2) {Effect.Fade(obj1,{duration:1.5});}
//     Effect.Appear(obj2,{duration:1.5});
    new Effect.Highlight(obj2,{startcolor:"#ff8888"});
    return true;
  }

  var anims = new Array("anim4","anim1","anim2","anim3");


  var animi = 0;
  var interval = 10; //seconds
  var init_delay = 5; //seconds

  function set(obj){
    clearInterval(rotator);
    to_hide = anims[animi];
    to_show = $(obj).id.replace(/s$/,"");
    animi = anims.indexOf(to_show);
    rotate(to_hide,to_show);
    obj.blur();
    return false;
  }

  var rotator;
  function init(){
    rotator = setInterval("loadNext()",init_delay*1000);
  }
  function loadNext(){
    to_hide = anims[animi];
    animi++;
    if(animi>=anims.length) animi = 0;
    to_show = anims[animi];
    rotate(to_hide,to_show);
//     setTimeout("loadNext()",interval*1000);
    return true;
  }