function OnClientItemClicked(sender, args) {

    var item = args.get_item();
    if (item) {
        if (item.get_items().get_count() == 0) {
            var level = item.get_level();
            if (level == 0) //root item
            {

                //var panelBar = $find("<%= (RadPanelBarLateral == null ? string.Empty : RadPanelBarLateral.ClientID) %>");
                var panelBar = document.getElementById('RadPanelBarLateral');
                if (panelBar == null) return;
                var items = panelBar.get_items();
                for (var i = 0; i < items.get_count(); i++)
                    items.getItem(i).collapse();
            }
        }
        if (level == 1) //subitem nível 1
        {
            var parent = item.get_parent();
            var expandedItem = parent.get_expandedItem();
            if (expandedItem)
                expandedItem.collapse();
        }
    }
}

function MultiplosDownLoad(link1, link2)
{
    window.open(link1, 'pdf1', 'resizable=no', 'menubar=no', 'scrollbars=no', 'width=350', 'height=350');
    window.open(link2, 'pdf2', 'resizable=no', 'menubar=no', 'scrollbars=no', 'width=350', 'height=350');
}