<select name="slist1" onchange="SList.getSelect('slist2', this.value);">
            <option>- - -</option>
            {%for key in Branch_key %}
                <option value={{key}}>{{key}}</option>
            {%endfor%}

           </select>
           <span id="slist2"></span> <div id="scontent"></div></td>