//JavaScript Banner Ad Rotator version 2.1 - last modified 16 November 2000
//Obtained from http://www.brettb.com/js_banner_ad_rotator.asp
//Email comments or suggestions to javascript@brettb.com

//User defined variables - change these variables to alter the behaviour of the script
var ImageFolder = ""; //Folder name containing the images
var ImageFileNames = new Array('top01.jpg', 'top02.jpg', 'top03.jpg', 'top04.jpg', 'top05.jpg', 'top06.jpg', 'top07.jpg', 'top08.jpg', 'top09.jpg', 'top10.jpg'); //List of images to use
var ImageURLs = new Array('http://www.eibisberger.at', 'http://www.eibisberger.at/', 'http://www.eibisberger.at/', 'http://www.eibisberger.at/', 'http://www.eibisberger.at/', 'http://www.eibisberger.at/', 'http://www.eibisberger.at/', 'http://www.eibisberger.at/', 'http://www.eibisberger.at/', 'http://www.eibisberger.at/'); //List of hyperlinks associated with the list of images
var DefaultURL = 'http://www.eibisberger.at/'; //Default hyperlink for the Banner Ad
var DisplayInterval = 5; //Number of seconds to wait before the next image is displayed
var TargetFrame = "haupt"; //Name of the frame to open the hyperlink into

//Internal variables (do not change these unless you know what you are doing)
var IsValidBrowser = false;
var BannerAdCode = 0;
var BannerAdImages = new Array(NumberOfImages);
var DisplayInterval = DisplayInterval * 1000;
var NumberOfImages = ImageFileNames.length;

//Add 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 runs when this page has been loaded and does the following:
//1. Determine the browser name and version
//   (since the script will only work on Netscape 3+ and Internet Explorer 4+).
//2. Start the timer object that will periodically change the image displayed
//   by the Banner Ad.
//3. Preload the images used by the Banner Ad rotator script
function InitialiseBannerAdRotator() {

	//Determine the browser name and version
	//The script will only work on Netscape 3+ and Internet Explorer 4+
	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;
		}
	
		window.document.bannerad.src = BannerAdImages[BannerAdCode].src;
		TimerObject = setTimeout("ChangeImage()", DisplayInterval);
	}
}

//Function to redirect the browser window/frame to a new location,
//depending on which image is currently being displayed by the Banner Ad.
//If Banner Ad is being displayed on an old browser then the DefaultURL is displayed
function ChangePage() {

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

}