function OpenWindow(url, width, height) {
    var wnd = window.radopen(url, "RadWindow1");
    wnd.setSize(width, height);
    return false;
}
function CloseWindow() {
    var oManager = GetRadWindowManager();
    var oWnd = oManager.GetWindowByName("RadWindow1");
    oWnd.Close();
}
function HideTooltip() {
    var tooltip = Telerik.Web.UI.RadToolTip.getCurrent();
    if (tooltip) tooltip.hide();
}