var interval = 2.5; // Verzoegerungszeit zwischen den Bildern (in Sek.)
var random_display = 1; // Zufallsanzeige an/aus. Automatisch aus bei <= 3 Bildern.
interval = 4000; // Verzoegerungszeit zwischen den Bildern
var url = "index.htm";

var image_index = 0;
image_list = new Array();
image_list[image_index++] = new imageItem("../start/images/aktionsgutschein.gif","../start/images/aktionsgutschein_text.gif","../aktion/aktion.htm");
image_list[image_index++] = new imageItem("../start/images/gutschein.gif","../start/images/gutschein_text.gif","../aktion/aktion.htm");
image_list[image_index++] = new imageItem("../start/images/schutz.gif","../start/images/schutz_text.gif","../aktion/aktion.htm");
image_list[image_index++] = new imageItem("../start/images/sitzheizung.gif","../start/images/sitzheizung_text.gif","../aktion/aktion_d.htm");
image_list[image_index++] = new imageItem("../start/images/standheizung.gif","../start/images/standheizung_text.gif","../aktion/aktion_d.htm");


var number_of_image = image_list.length;

//if (number_of_image<=1) random_display = 0;
random_display = 0;

function imageItem(image_location,image2_location,image_url) {
this.image_item = new Image();
this.image_item.src = image_location;
this.image_item[1] = image_url;
this.image_item[2] = new Image();
this.image_item[2].src=image2_location;

}

function get_ImageItemLocation(imageObj) {
return(imageObj.image_item.src)
}
function get_dependentImage(imageObj) {
return(imageObj.image_item[2].src)
}
function get_ImageURL(imageObj) {
return(imageObj.image_item[1]);
}

function generate(y) {
var range = y + 1;
return Math.floor(Math.random() * range);
}

function getNextImage() {
if (random_display) {
image_index = generate(number_of_image-1);
}
else {
image_index = (image_index+1) % number_of_image;
}
var new_image = image_list[image_index];

return(new_image);
}

function rotateImage(place,place2) {
var new_image = getNextImage();

document[place].src = get_ImageItemLocation(new_image);
document[place2].src =get_dependentImage(new_image);
url = get_ImageURL(new_image);

var recur_call = "rotateImage('"+place+"','"+place2+"')";
setTimeout(recur_call, interval);
}

function goURL(){
window.location.href = url;
}