function GetHoverImage(element, src) {
    var img = document.createElement("IMG");
    img.style.position = "absolute";
    img.src = src;
    var coord = Sys.UI.DomElement.getBounds(element);
    var imgLeft = coord.x + coord.width - 5;
    img.style.left = imgLeft + "px";
    element.parentNode.insertBefore(img, element);
    element.img = img;
}
function HideHoverImage(element) {
    if (element.img) {
        element.parentNode.removeChild(element.img);
    }
    element.img = null;
}