public static function getBoxHeaderHTML($header)
    {
        $html = '';
        if (empty($header))
            return NULL;

        $html .= '<!-- Start_Box_Header -->';

        $html .= '<div class="box-header with-border">';
        $html .= '<h3 class="box-title">'.$header["title"].'</h3>';
        $html .= '<div class="box-tools pull-right">';
            $html .= '<button class="btn btn-box-tool" data-widget="collapse"><i class="fa fa-minus"></i></button>';
            $html .= '<button class="btn btn-box-tool" data-widget="remove"><i class="fa fa-times"></i></button>';
        $html .= '</div>';

        $html .= '<!-- End_Box_Header -->';

        return $html;
    }