function addGroupContents(group, appendChild) {

        var i;

        // Add all contained connections
        if (show_connections) {
            for (i=0; i<group.connections.length; i++)
                addConnection(group.connections[i], appendChild);
        }

        // Add all contained groups 
        for (i=0; i<group.groups.length; i++)
            addGroup(group.groups[i], appendChild);

    }
Adds the contents of the given group via the given appendChild()
function, but not the given group itself.

@param {GuacamoleService.ConnectionGroup} group The group whose contents
                                                should be added.
@param {Function} appendChild A function which, given an element, will
                              add that element the the display as
                              desired.