//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 using the form at http://www.brettb.com/Contact.asp
//If you want a version of this script that will open links in a new browser window
//then please visit http://www.winnershtriangle.com/w/Products.JavaScriptBannerAdRotator.asp

//User defined variables - change these variables to alter the behaviour of the script
var ImageFolder = "/sponsors"; //Folder name containing the images
var ImageFileNames = new Array( 'IS2011-(Loquendo-logo).gif', 'IS2011-(NUANCE-logo).gif', 'IS2011-(AT&T-logo).gif',
								'IS2011-(GOOGLE-logo).gif', 'IS2011-(APPEN & BUTTLER HILL-logo).gif', 'IS2011-(ELRA-logo).gif', 
								'IS2011-(IM-logo).gif', 'IS2011-(Microsoft-logo).gif', 'IS2011-(BHRST-logo).gif', 
								'IS2011-(Avios-logo).gif', 'IS2011-(IBM-logo).gif', 'IS2011-(NDI-logo).gif' ); //List of images to use
var ImageURLs = new Array( 'http://www.loquendo.com', 'http://www.nuance.com', 'http://www.att.com', 
						   'http://www.google.com/events/emea/', 'http://www.appen.com.au', 'http://www.elra.info/', 
						   'http://www.interactivemedia.it/index.php?lang=en&arg=index&id_X=&txtsrc=&title=', 'http://www.microsoft.com', 'http://www.speechocean.com/index.html', 
						   'http://www.avios.org/', 'http:/www.research.ibm.com/', 'http://www.ndigital.com/'  ); //List of hyperlinks associated with the list of images
var DefaultURL = 'http://www.loquendo.com'; //Default hyperlink for the Banner Ad
var DisplayInterval = 2; //Number of seconds to wait before the next image is displayed
var TargetFrame = "_blank"; //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;

//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 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;
}

}