function renderPrev($tag = '&lt;&lt;') {
        if ($this->total_rows == 0)
            return FALSE;
         
        if ($this->page > 1) {
            //return ' <a href="' . $this->php_self . '?page=' . ($this->page - 1) . '&' . $this->append . '">' . $tag . '</a>';
            $pageno = $this->page - 1;
            return " <a href='javascript:void(0);' OnClick='getdata( $pageno )' title='Anterior'>$tag</a> ";
        } else {
            return " $tag ";
        }
    }