Index: lams_tool_chat/web/pages/learning/notebook.jsp
===================================================================
diff -u -r94eb7bada81814941189436f343e9cf395e348f4 -r146b988700da5ed2e016388383b0e648c23d1a8a
--- lams_tool_chat/web/pages/learning/notebook.jsp	(.../notebook.jsp)	(revision 94eb7bada81814941189436f343e9cf395e348f4)
+++ lams_tool_chat/web/pages/learning/notebook.jsp	(.../notebook.jsp)	(revision 146b988700da5ed2e016388383b0e648c23d1a8a)
@@ -1,11 +1,17 @@
 <%@ include file="/common/taglibs.jsp"%>
 
+<script type="text/javascript">
+	function disableFinishButton() {
+		document.getElementById("finishButton").disabled = "disabled";
+	}
+</script>
+
 <div id="content">
 	<h1>
 		${chatDTO.title}
 	</h1>
 
-	<html:form action="/learning" method="post">
+	<html:form action="/learning" method="post" onsubmit="disableFinishButton();">
 
 		<p class="small-space-top">
 			<lams:out value="${chatDTO.reflectInstructions}" />
@@ -17,7 +23,7 @@
 		<div class="space-bottom-top align-right">
 			<html:hidden property="dispatch" value="submitReflection" />
 			<html:hidden property="chatUserUID" />
-			<html:submit styleClass="button">
+			<html:submit styleClass="button" styleId="finishButton">
 				<fmt:message>button.finish</fmt:message>
 			</html:submit>
 		</div>
Index: lams_tool_chat/web/pages/learning/parts/finishButton.jsp
===================================================================
diff -u -r31977a4b1928a1751ffe6e049db3ac5300b6a8dc -r146b988700da5ed2e016388383b0e648c23d1a8a
--- lams_tool_chat/web/pages/learning/parts/finishButton.jsp	(.../finishButton.jsp)	(revision 31977a4b1928a1751ffe6e049db3ac5300b6a8dc)
+++ lams_tool_chat/web/pages/learning/parts/finishButton.jsp	(.../finishButton.jsp)	(revision 146b988700da5ed2e016388383b0e648c23d1a8a)
@@ -32,7 +32,10 @@
 
 <script type="text/javascript">
 	function disableFinishButton() {
-		document.getElementById("finishButton").disabled = "disabled";
+		var finishButton = document.getElementById("finishButton");
+		if (finishButton != null) {
+			finsihButton.disabled = "disabled";
+		}
 	}
 </script>
 
Index: lams_tool_notebook/web/pages/learning/notebook.jsp
===================================================================
diff -u -r6384417b366772b66b92f64b43f7609e583efc8b -r146b988700da5ed2e016388383b0e648c23d1a8a
--- lams_tool_notebook/web/pages/learning/notebook.jsp	(.../notebook.jsp)	(revision 6384417b366772b66b92f64b43f7609e583efc8b)
+++ lams_tool_notebook/web/pages/learning/notebook.jsp	(.../notebook.jsp)	(revision 146b988700da5ed2e016388383b0e648c23d1a8a)
@@ -1,11 +1,17 @@
 <%@ include file="/common/taglibs.jsp"%>
 
+<script type="text/javascript">
+	function disableFinishButton() {
+		document.getElementById("finishButton").disabled = "disabled";
+	}
+</script>
+
 <div id="content">
 	<h1>
 		${notebookDTO.title}
 	</h1>
 
-	<html:form action="/learning" method="post">
+	<html:form action="/learning" method="post" onsubmit="disableFinishButton();">
 		<html:hidden property="dispatch" value="finishActivity" />
 		<html:hidden property="toolSessionID" />
 
@@ -39,7 +45,7 @@
 		</c:choose>
 
 		<div class="space-bottom-top align-right">
-			<html:submit styleClass="button">
+			<html:submit styleClass="button" styleId="finishButton">
 				<fmt:message>button.finish</fmt:message>
 			</html:submit>
 		</div>
Index: lams_tool_notebook/web/pages/learning/runOffline.jsp
===================================================================
diff -u -r896248d87ee3eb2da93ba7a9f11ca2de11eb4040 -r146b988700da5ed2e016388383b0e648c23d1a8a
--- lams_tool_notebook/web/pages/learning/runOffline.jsp	(.../runOffline.jsp)	(revision 896248d87ee3eb2da93ba7a9f11ca2de11eb4040)
+++ lams_tool_notebook/web/pages/learning/runOffline.jsp	(.../runOffline.jsp)	(revision 146b988700da5ed2e016388383b0e648c23d1a8a)
@@ -1,5 +1,11 @@
 <%@ include file="/common/taglibs.jsp"%>
 
+<script type="text/javascript">
+	function disableFinishButton() {
+		document.getElementById("finishButton").disabled = "disabled";
+	}
+</script>
+
 <div id="content">
 	<h1>
 		${notebookDTO.title}
@@ -14,12 +20,12 @@
 	</p>
 
 	<c:if test="${mode == 'learner' || mode == 'author'}">
-		<html:form action="/learning" method="post">
+		<html:form action="/learning" method="post" onsubmit="disableFinishButton();">
 			<html:hidden property="dispatch" value="finishActivity" />
 			<html:hidden property="toolSessionID" />
 
 			<div align="right" class="space-bottom-top">
-				<html:submit styleClass="button">
+				<html:submit styleClass="button" styleId="finishButton">
 					<fmt:message>button.finish</fmt:message>
 				</html:submit>
 			</div>
Index: lams_tool_scribe/web/pages/learning/notebook.jsp
===================================================================
diff -u -rc25a09fb913ad54f4fdf424063e249223b81f4ab -r146b988700da5ed2e016388383b0e648c23d1a8a
--- lams_tool_scribe/web/pages/learning/notebook.jsp	(.../notebook.jsp)	(revision c25a09fb913ad54f4fdf424063e249223b81f4ab)
+++ lams_tool_scribe/web/pages/learning/notebook.jsp	(.../notebook.jsp)	(revision 146b988700da5ed2e016388383b0e648c23d1a8a)
@@ -1,13 +1,18 @@
 <%@ include file="/common/taglibs.jsp"%>
 
+<script type="text/javascript">
+	function disableFinishButton() {
+		document.getElementById("finishButton").disabled = "disabled";
+	}
+</script>
 
 <div id="content">
 
 	<h1>
 		${scribeDTO.title}
 	</h1>
 
-	<html:form action="/learning" method="post">
+	<html:form action="/learning" method="post" onsubmit="disableFinishButton();">
 		<html:hidden property="dispatch" value="submitReflection" />
 		<html:hidden property="scribeUserUID" />
 
@@ -19,7 +24,7 @@
 			styleClass="text-area"></html:textarea>
 
 		<div class="space-bottom-top align-right">
-			<html:submit styleClass="button">
+			<html:submit styleClass="button" styleId="finishButton">
 				<fmt:message>button.finish</fmt:message>
 			</html:submit>
 		</div>
Index: lams_tool_scribe/web/pages/learning/parts/finishButton.jsp
===================================================================
diff -u -r31977a4b1928a1751ffe6e049db3ac5300b6a8dc -r146b988700da5ed2e016388383b0e648c23d1a8a
--- lams_tool_scribe/web/pages/learning/parts/finishButton.jsp	(.../finishButton.jsp)	(revision 31977a4b1928a1751ffe6e049db3ac5300b6a8dc)
+++ lams_tool_scribe/web/pages/learning/parts/finishButton.jsp	(.../finishButton.jsp)	(revision 146b988700da5ed2e016388383b0e648c23d1a8a)
@@ -2,7 +2,10 @@
 
 <script type="text/javascript">
 	function disableFinishButton() {
-		document.getElementById("finishButton").disabled = "disabled";
+		var finishButton = document.getElementById("finishButton");
+		if (finishButton != null) {
+			finsihButton.disabled = "disabled";
+		}
 	}
 </script>