//JavaScript Banner Ad Rotator version 2.1 - last modified 16 November 2000
//Obtained from http://www.brettb.com/js_banner_ad_rotator.asp

//User defined variables - change these variables to alter the behaviour of the script
var ImageFolder = "/images/rotator"; //Folder name containing the images
var ImageFileNames = new Array('pic1.jpg', 'pic2.jpg', 'pic3.jpg', 'pic4.jpg', 'pic5.jpg', 'pic6.jpg'); //List of images to use
//var ImageURLs = new Array('http://www.amazon.com/exec/obidos/redirect?tag=brettbcom&path=subst/home/home.html', 'http://winnershtriangle.com/w/Products.ASPDocumentationTool.asp', 'http://www.amazon.com/exec/obidos/redirect?tag=brettbcom&path=subst/home/home.html', 'http://www.winnershtriangle.com/w/'); //List of hyperlinks associated with the list of images
var DefaultURL = ''; //Default hyperlink for the Banner Ad
var DisplayInterval = 5; //Number of seconds to wait before the next image is displayed
var TargetFrame = ""; //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 NumberOfImages = ImageFileNames.length-1;
var BannerAdImages = new Array(NumberOfImages);
var DisplayInterval = DisplayInterval * 1000;

var BannerAdCode = Math.round(NumberOfImages * Math.random());

//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];
}

//Activate the images
var PicHolderTmp = document.getElementById("areapic");
PicHolderTmp.src = BannerAdImages[BannerAdCode].src;



}

}

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

if (IsValidBrowser) {

BannerAdCode = BannerAdCode + 1;



if (BannerAdCode > NumberOfImages) {
BannerAdCode = 0;
}
//alert(BannerAdCode+" "+NumberOfImages);
var PicHolder = document.getElementById("areapic");
//alert(BannerAdCode+" "+NumberOfImages);
PicHolder.src = BannerAdImages[BannerAdCode].src;
TimerObject = setTimeout("ChangeImage()", DisplayInterval);
}
}