// Find a control that has the given server id and type for the given parent
//
function findControl(parent, tagName, serverId) {
    var items = parent.getElementsByTagName(tagName);
    // walk the items looking for the right guy
    for (var i = 0; i < items.length; i++) {
        var ctl = items[i];
        if (ctl && ctl.id) {
            // check the end of the name.
            //
            var subId = ctl.id.substring(ctl.id.length - serverId.length);
            if (subId == serverId) {
                return ctl;
            }
        }
    }
    return null;
}
function loadTabPanel(sender, e) {
     var tabContainer = sender;
    if (tabContainer) {
        var updateControlId = "TabButton" + tabContainer.get_activeTabIndex();
        // get the active tab and find our button
        var activeTab = tabContainer.get_activeTab();
        // check to see if we've already loaded
        //if (findControl(activeTab.get_element(), "div", "TabContent" + tabContainer.get_activeTabIndex())) return;
        var updateControl =  findControl(activeTab.get_element(), "input", updateControlId);
        if (updateControl) {
            // fire the update
            updateControl.click();
        }
    }
}