var images = Array();;
var count = 1;
var maximages = 7;
var image;

function init(){
    image = document.getElementById('random_image');
    for(var i=1; i < maximages+1; i++){
        images[i] = new Image();
        images[i].src = "/fileadmin/templates/vermeulenverpakkingen/plaatjes/foto"+i+".jpg";
    }
    window.setInterval("flipimage()", 5000);
}

function flipimage(){
    if(count == maximages){
        count = 1;
    }else{
        count++;
    }
    image.src = images[count].src;
}