var interval = 5000; var random_display = 0; var imageDir = "CMS/uploadedImages/";



 function randNum(x, y) {
var range = y - x + 1;
return Math.floor(Math.random() * range) + x;
}

 function getNextImage() {
        if (random_display) {
        imageNum = randNum(0, totalImages-1);
        }
        else {
        imageNum = (imageNum+1) % totalImages;
        }
              
         var new_image = imageDir + imageArray[imageNum];
       
return(new_image);
}

 function switchImage(place) {
        var new_image = getNextImage();
        document.getElementById(place).src = new_image;
        var recur_call = "switchImage('"+place+"')";
        timerID = setTimeout(recur_call, interval);

}