    main.getHostIcon = function (obj, classes) {
        var icon     = '';
        var alt      = '';

        if (obj && obj.common && obj.common.icon) {
            var result = getIconHtml(obj);
            icon = result.icon;
            alt = result.alt;
        }
        icon = icon || 'img/no-image.png';
        alt  = alt  || '';

        return '<img class="' + (classes || 'treetable-icon') + '" src="' + icon + '" alt="' + alt + '" />';
    };