$("head").append($("<link rel='stylesheet' href='http://www.reevoo.com/stylesheets/snow.css' type='text/css' />"));
for(i = 0; i < 30; i++){ $("#flakes").append($("<div/>").css({"z-index": 0})) };
$("#flakes").css({
  position:"relative",
  overflow:"hidden",
  height: "200px",
  width: "100%",
  background: "url('http://www.reevoo.com/images/background_snowflakes.gif')"
});