var obj = {
    cloud1: { type: 'left', from:20, to:964, step: 1, delay:100},
    cloud2: { type: 'left', from:600, to:964, step: 1, delay:150},
    sun: { type: 'top', to:0, from:-150, step: 1, delay: 20},
    rainbow: { type: 'bottom', from:-150, to:0, step: 1, delay: 10},
    bird: { type: 'right', from:-50, to:1500, step: 1, delay: 10}
};

function logoAnim(){
    $fx('#sun').fxAdd(obj.sun).fxHold(500).fxRun();
    /*$fx('#rainbow').fxAdd(obj.rainbow).fxHold(800).fxRun();*/
    $fx('#cloud1').fxAdd(obj.cloud1).fxHold(1000).fxRun(null,-1);
    $fx('#cloud2').fxAdd(obj.cloud2).fxHold(1000).fxRun(null,-1);
    $fx('#bird').fxAdd(obj.bird).fxHold(5000).fxRun(null,-1);
}