-<tr><th>day</th><td>{{ todo.day.date }}</td></tr>
-<tr><th>day effort</th><td class="input"><input type="number" name="day_effort" step=0.1 size=8 value="{{ todo.day_effort }}" /></td></tr>
+<tr>
+<th>efforts</th>
+<td>
+<table>
+<tr><th>date</th><th>effort</th><th>delete</th>
+{% for date, effort in todo.efforts.items() %}
+<tr>
+<td><input name="effort_date" size=10 value="{{date}}" {% if todo.children and effort %}disabled{% endif %}></td>
+<td><input type="number" name="effort" step=0.1 size=8 value="{{effort}}" placeholder="{{todo.default_effort}}" {% if todo.children and effort %}disabled{% endif %} /></td>
+<td>{% if not (todo.children and effort) %}<input type="checkbox" name="delete_effort" value="{{date}}" />{% endif %}</td>
+</tr>
+{% endfor %}
+<tr>
+<td><input name="effort_date" size=10 value=""></td>
+<td><input type="number" name="effort" step=0.1 size=8 value="" {% if todo.children %} disabled {% else %} placeholder="{{todo.default_effort}}" {% endif %} /></td>
+</tr>
+</table>
+</td>
+</tr>
+<tr>
+<th>total effort</th><td>{{todo.all_days_effort}}</td>
+</tr>