Index: lams_tool_doku/conf/language/lams/ApplicationResources.properties
===================================================================
diff -u -re606aaebe2ef85c40a4054ef76abf62c94d224a4 -r6d5051e601d8b22df0e8c513e28e7b095d85fabe
--- lams_tool_doku/conf/language/lams/ApplicationResources.properties	(.../ApplicationResources.properties)	(revision e606aaebe2ef85c40a4054ef76abf62c94d224a4)
+++ lams_tool_doku/conf/language/lams/ApplicationResources.properties	(.../ApplicationResources.properties)	(revision 6d5051e601d8b22df0e8c513e28e7b095d85fabe)
@@ -95,4 +95,5 @@
 outcome.authoring.existing.none = none
 outcome.authoring.create.new = [create new]
 output.desc.manual.grading = Manual grading
-monitoring.summary.gallery.walk.start = Start Gallery Walk
\ No newline at end of file
+monitoring.summary.gallery.walk.start = Start Gallery Walk
+monitoring.summary.gallery.walk.start.confirm = Are you sure you want to finish collaboration phase and start Gallery Walk?
\ No newline at end of file
Index: lams_tool_doku/web/pages/monitoring/summary.jsp
===================================================================
diff -u -re606aaebe2ef85c40a4054ef76abf62c94d224a4 -r6d5051e601d8b22df0e8c513e28e7b095d85fabe
--- lams_tool_doku/web/pages/monitoring/summary.jsp	(.../summary.jsp)	(revision e606aaebe2ef85c40a4054ef76abf62c94d224a4)
+++ lams_tool_doku/web/pages/monitoring/summary.jsp	(.../summary.jsp)	(revision 6d5051e601d8b22df0e8c513e28e7b095d85fabe)
@@ -341,6 +341,10 @@
 	}
 	
 	function startGalleryWalk(){
+		if (!confirm('<fmt:message key="monitoring.summary.gallery.walk.start.confirm" />')) {
+			return;
+		}
+		
 		$.ajax({
 			'url' : '<c:url value="/monitoring/startGalleryWalk.do"/>',
 			'data': {