gSlideshowInterval = 4;
gNumberOfImages = 3;
gImages = new Array(gNumberOfImages);
gImages[0] = "images/masterhead-new1.jpg";
gImages[1] = "images/masterhead-new2.jpg";
gImages[2] = "images/masterhead-inner3.jpg";
function canManipulateImages() {
	if (document.images)
		return true;
	else
		return false;
}
function loadSlide(imageURL) {
	if (gImageCapableBrowser) {
		document.slide.src = imageURL;
		return false;
	}
	else {
		return true;
	}
}


	
	
function nextSlide() {
	gCurrentImage = (gCurrentImage + 1) % gNumberOfImages;
	loadSlide(gImages[gCurrentImage]);
}


function prevSlide() {
	
	gCurrentImage = (gCurrentImage - 1) % gNumberOfImages;
if(gCurrentImage>=0){
	loadSlide(gImages[gCurrentImage]);
}
	
	}

gImageCapableBrowser = canManipulateImages();
gCurrentImage = 0;
setInterval("nextSlide()",gSlideshowInterval * 1000);
// -->