--- a/src/pyams_zodbbrowser/zmi/templates/zodbinfo.pt	Tue May 16 11:41:47 2017 +0200
+++ b/src/pyams_zodbbrowser/zmi/templates/zodbinfo.pt	Mon May 22 00:46:01 2017 +0200
@@ -28,7 +28,7 @@
 			tal:define="attributes view.listAttributes();
 					error view.state.getError()"
 			tal:condition="python:attributes is not None or error">
-		<h3 class="expander">
+		<h3 class="expander" data-ams-click-handler="PyAMS_zodbbrowser.collapseOrExpand">
 			<img src="/--static--/pyams_zodbbrowser/img/collapse.png"
 				 alt="collapse" />&nbsp;Attributes
 		</h3>
@@ -67,7 +67,7 @@
 	<div class="items"
 			tal:define="items view.listItems()"
 			tal:condition="python:items is not None">
-		<h3 class="expander">
+		<h3 class="expander" data-ams-click-handler="PyAMS_zodbbrowser.collapseOrExpand">
 			<img src="/--static--/pyams_zodbbrowser/img/collapse.png"
 				 alt="collapse" />&nbsp;Items (<span tal:replace="python: len(items)"></span>)
 		</h3>
@@ -87,7 +87,7 @@
 	<div class="history"
 			tal:define="history view.listHistory()"
 			tal:condition="history">
-		<h3 class="expander">
+		<h3 class="expander" data-ams-click-handler="PyAMS_zodbbrowser.collapseOrExpand">
 			<img src="/--static--/pyams_zodbbrowser/img/collapse.png"
 				 alt="collapse" />&nbsp;History
 		</h3>