var preloaded = new Array();
function preload_images()
{
  for (var i = 0; i < arguments.length; ++i)
  {
    var img = document.createElement('img');
    img.setAttribute('src', arguments[i]);
    preloaded[preloaded.length] = img;
  }
}

function setImg(i)
{
  var ram_im = document.getElementById('head_ramacher');
  var ein_im = document.getElementById('head_einfalt');
  ram_im.setAttribute('src', 'images/heads/ramacher_' + (i < 10 ? '0' + i : i) + '.png');
  ein_im.setAttribute('src', 'images/heads/einfalt_' + (i < 10 ? '0' + i : i) + '.png');
}

function animate()
{
  for (var i = 2; i != 14; ++i)
  {
    setTimeout("setImg(" + i + ")", (i - 1) * 0500);
    preload_images('images/heads/ramacher_' + (i < 10 ? '0' + i : i) + '.png');
    preload_images('images/heads/einfalt_' + (i < 10 ? '0' + i : i) + '.png');
  }
}