function goRightfor30sec()
    {
        document.getElementById('marqueesa').direction = "left";
    }
    function crawlLeft(){
        setTimeout(goRightfor30sec,1000);
        document.getElementById('marqueesa').direction = "left";
    }
    function crawlRight(){
        setTimeout(goLeftfor30sec,1000);
        document.getElementById('marqueesa').direction = "right";
    }
    function goLeftfor30sec(){
        document.getElementById('marqueesa').direction = "right";
    }