function marquee(){
    jetzt= new Date();
    var zeit11= bis1.getTime();
    var zeit12= bis2.getTime();
    var zeit13= bis3.getTime();
    zeit2= jetzt.getTime ();
    var raum1= Math.floor((zeit11 - zeit2));
    var raum2= Math.floor((zeit12 - zeit2));
    var raum3= Math.floor((zeit13 - zeit2));
    if (raum1 >=0)
    {
    document.getElementById("marquee1").style.display = "inline";
    }
    else
    {   
    document.getElementById("marquee1").style.display = "none";
    }
    if (raum2 >=0)
    {
    document.getElementById("marquee2").style.display = "inline";
    }
    else
    {   
    document.getElementById("marquee2").style.display = "none";
    }
    if (raum3 >=0)
    {
    document.getElementById("marquee3").style.display = "inline";
    }
    else
    {   
    document.getElementById("marquee3").style.display = "none";
    }
    }