$(document).ready(function() {

    initClouds();
});

function initClouds() {
    swfobject.embedSWF(
        "/themes/Legoland/Flash/clouds.swf",
        "clouds",
        "100%",
        "350",
        "9.0.0",
        "",
        {},
        { wmode: "transparent" }
    );
}