$(window).load(function() {
  
    function startBallOne() {
        $("#balken_gruen").circulate({
            speed: 4000,
            height: 0,
            width: 975,
            sizeAdjustment: 100,
            loop: true,
            zIndexValues: [1, 1, 3, 3]
        });
    }
    
    function startBallTwo() {
        $("#balken_blau").circulate({
            speed: 4000,
            height: 0,
            width: 975,
            sizeAdjustment: 100,
            loop: true,
            zIndexValues: [2, 3, 2, 1]
        })
    }
    
    function startBallThree() {
        $("#balken_gruen_2").circulate({
            speed: 2500,
            height: 0,
            width: -975,
            sizeAdjustment: 100,
            loop: true,
            zIndexValues: [4, 2, 2, 4]
        })
    }
                
    startBallOne();
    setTimeout(startBallTwo, 2000);
    setTimeout(startBallThree, 7000);
    
});