shortcut.add("Left",function() {
	var myPhoto = new Slideshow(photoId);
	myPhoto.prevPhoto();
	soundManager.play('select');
});
shortcut.add("Right",function() {
	var myPhoto = new Slideshow(photoId);
	myPhoto.nextPhoto();
	soundManager.play('select');
});
shortcut.add("Up",function() {
	var myPhoto = new Slideshow(photoId);
	myPhoto.zoomin();	
	soundManager.play('select');
});
shortcut.add("Down",function() {
	var myPhoto = new Slideshow(photoId);
	myPhoto.zoomout();	
	soundManager.play('select');
});


// code to track mouse whel
function handle(delta) {
        if (delta < 0) {
			var myPhoto = new Slideshow(photoId);
			myPhoto.zoomin();	
			soundManager.play('select');
		}
        else {
			var myPhoto = new Slideshow(photoId);
			myPhoto.zoomout();	
			soundManager.play('select');
		}		
}
function wheel(event){
        var delta = 0;
        if (!event)
                event = window.event;
        if (event.wheelDelta) {
                delta = event.wheelDelta/120;
                if (window.opera)
                        delta = -delta;
        } else if (event.detail) { 
                delta = -event.detail/3;
        }
        if (delta)
                handle(delta);        
        if (event.preventDefault)
                event.preventDefault();
	event.returnValue = false;
}

if (window.addEventListener)
window.addEventListener('DOMMouseScroll', wheel, false);
window.onmousewheel = document.onmousewheel = wheel;