// The client side event ImageMouseOut takes two parameters, sender and e.
// Sender is the object which is raising the event
// e is the EventArgs
function WebImageViewer_ImageMouseOut(sender, e) {
var imageviewer = $find("WebImageViewer1");
// Gets reference to the browser event
var browserRef = e.get_browserEvent();
// Stops the continuous animation from scrolling
imageviewer.endNavigation();
// Get the scroll animation object
var scrollAnimation = imageviewer.get_scrollAnimations();
// Get the NextItemAnimation object
var nextItemAnimation = scrollAnimation.get_nextItemAnimation();
// Sets the NextItemAnimation object to move the first item into focus
nextItemAnimation.moveItemIntoFocus(imageviewer.get_items().getItem(0));
}