// swap header graphic depending on time of day



    day=new Date() 

    x=day.getHours() 

    

    if(x>=6 && x<18){

        document.write('<img src="../../images/train-over-bridge-day.jpg" alt="Spoornet" width="440" height="65" />')

    } 

    else {

        document.write('<img src="../../images/train-over-bridge-night.jpg" alt="Spoornet" width="440" height="65" />')

    }