var BaseURL1 = "http://www.spreewaldwetter.de";
var File1 = "/kamera.jpg";
var BaseURL2 = "http://www.spreewaldwetter.de";
var File2 = "/museum/kamera-museum.jpg";
var BaseURL3 = "http://www.wis-spreewald.de";
var File3 = "/webcam/hochhaus.jpg";
var BaseURL4 = "http://www.wis-spreewald.de";
var File4 = "/webcam/pinguin.jpg";
var theTimer = setTimeout("reloadImage()",1);
var i = 0;
function reloadImage() {
    if (i==60)  { 

        theDate = new Date();

        var url1 = BaseURL1;
        url1 += File1;
        url1 += "?dummy=";
        url1 += theDate.getTime().toString(10);
        if (document.Bild1) {document.Bild1.src = url1;}

        var url2 = BaseURL2;
        url2 += File2;
        url2 += "?dummy=";
        url2 += theDate.getTime().toString(10);
        if (document.Bild2) {document.Bild2.src = url2;}

        var url3 = BaseURL3;
        url3 += File3;
        url3 += "?dummy=";
        url3 += theDate.getTime().toString(10);
        if (document.Bild3) {document.Bild3.src = url3;}

        var url4 = BaseURL4;
        url4 += File4;
        url4 += "?dummy=";
        url4 += theDate.getTime().toString(10);
        if (document.Bild4) {document.Bild4.src = url4;}

        i=0;

    }

    document.getElementById("countdown").innerHTML=60-i;
    i=i+1;

    theTimer = setTimeout("reloadImage()",1000);
}