Shatner Roll code as used on RailsRumble '09 website.

ShatnerRoll.js

hasRumbling = false
shatnerLoaded = false;

function stillRumbling()
{
  if(hasRumbling) return;
  if(!shatnerLoaded) {
    $(new Image()).load(function() {
      shatnerLoaded = true;
      stillRumbling();
    }).attr('src', '/images/still-rumbling.png');
    return;
  }
  var topHeight = 321;
  var c = $("<div />").css({
    width:       527,
    height:      0,
    background: 'url(/images/still-rumbling.png) top center',
    position:   'fixed',
    bottom:     0,
    right:      0,
    "z-index":  1000,
    cursor:     'pointer'
  }).appendTo($("body"));
  c.show().animate({
    height: 371
  }, 1500).click(function() {
    var i = $(this);
    $(this).animate({height: 0}, 1500, function() { i.remove(); hasRumbling = false; });
  });
  hasRumbling = true;
}