var ImageFolder = "/banners/"; //Folder name containing the images

//var ImageFileNames = new Array('banner_basisopleiding_3.jpg', 'banner_startershandboek.jpg', 'banner_socialmedia.jpg', 'banner_handboek.jpg'); 
//var ImageURLs = new Array('/trainingen/kennis/1052', '/webshop', '/trainingen/kennis/6009', '/handboek'); 
//var bannerInterval = new Array(3000, 3000, 3000, 3000, 3000, 3000, 3000); //List of time interval you wanto display  ===> 5000 = 5 sec

var ImageFileNames = new Array('banner_startershandboek.jpg', 'banner_socialmedia.jpg', 'banner_handboek.jpg'); 
var ImageURLs = new Array('/webshop', '/trainingen/kennis/6009', '/handboek'); 
var bannerInterval = new Array(3000, 3000, 3000, 3000, 3000, 3000); //List of time interval you wanto display  ===> 5000 = 5 sec

var DefaultURL = 'http://www.artra.nl/'; //Default hyperlink for the Banner Ad
var TargetFrame = ""; //Name of the frame to open the hyperlink into

var IsValidBrowser = false;
var BannerAdCode = 0;
var BannerAdImages = new Array(NumberOfImages);
var DisplayInterval = bannerInterval[0];
var NumberOfImages = ImageFileNames.length;

//A dd a trailing forward slash to the ImageFolder variable if it does not already have one
if (ImageFolder.substr(ImageFolder.length - 1, ImageFolder.length) != "/" && ImageFolder != "") { ImageFolder += "/";
}

if (TargetFrame == '') {
var FramesObject = null;
} else {
var FramesObject = eval('parent.' + TargetFrame);
}

function InitialiseBannerAdRotator() {
var BrowserType = navigator.appName;
var BrowserVersion = parseInt(navigator.appVersion);

if (BrowserType == "Netscape" && (BrowserVersion >= 3)) {
IsValidBrowser = true;
}

if (BrowserType == "Microsoft Internet Explorer" && (BrowserVersion >= 4)) {
IsValidBrowser = true;
}

if (IsValidBrowser) {

TimerObject = setTimeout("ChangeImage()", DisplayInterval);
BannerAdCode = 0;

for (i = 0; i < NumberOfImages; i++) {
BannerAdImages[i] = new Image();
BannerAdImages[i].src = ' ' + ImageFolder + ImageFileNames[i];
}

}

}

//Function to change the src of the Banner Ad image
function ChangeImage() {

if (IsValidBrowser) {
BannerAdCode = BannerAdCode + 1;

if (BannerAdCode == NumberOfImages) {
BannerAdCode = 0;
}
var DisplayInterval2 = bannerInterval[BannerAdCode];

window.document.bannerad.src = BannerAdImages[BannerAdCode].src;

TimerObject = setTimeout("ChangeImage()", DisplayInterval2);
}
}

function ChangePage() {

if (IsValidBrowser) {

if (TargetFrame != '' && (FramesObject)) {
FramesObject.location.href = ImageURLs[BannerAdCode];
} else {
document.location = ImageURLs[BannerAdCode];
}

} else if (!IsValidBrowser) {
document.location = DefaultURL;
}
}