$(document).ready(function(){
    
    $("#vtmenu").treeview({
        collapsed: true,
        unique: true,
        animated: 'fast'
    });

    $('div.vt-more a.rb-more').bind('click', function() {
        var l_more = {'src': '/assets/gfx/vt_more.gif', 'alt': 'more'};
        var l_less = {'src': '/assets/gfx/vt_less.gif', 'alt': 'less'};
        var i = $('img', this);
        $(this).parent('div').prev('div.expandable').toggleClass('expanded', 'fast');
        if(i.attr('alt').indexOf(l_more.alt)!=-1)
        {
            i.attr('alt', l_less.alt);
            i.attr('src', l_less.src);
        }      
        else
        {
            i.attr('alt', l_more.alt);
            i.attr('src', l_more.src);
        }
        return false;
    });
  
});