if(document.images) {

img1on = new Image ();
img1on.src = "/aktuell/pics/zurueck_over.gif";
img2on = new Image ();
img2on.src = "/aktuell/pics/weiter_over.gif";



img1off = new Image ();
img1off.src = "/aktuell/pics/zurueck.gif";
img2off = new Image ();
img2off.src = "/aktuell/pics/weiter.gif";


}

function imgOn(imgName) {
         if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
         }
}

function imgOff(imgName) {
         if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
         }
}

function MM_openBrWindow(theURL,winName,features) { 
  window.open(theURL,winName,features);
}