Index: lams_tool_laqa/web/learning/AnswersContent.jsp
===================================================================
diff -u -r0b11fde95e5fc5820969dd4f7f664dd5a3ae8617 -r153f4c4a1ab240a3c22cf39c07444bddafeb0c54
--- lams_tool_laqa/web/learning/AnswersContent.jsp	(.../AnswersContent.jsp)	(revision 0b11fde95e5fc5820969dd4f7f664dd5a3ae8617)
+++ lams_tool_laqa/web/learning/AnswersContent.jsp	(.../AnswersContent.jsp)	(revision 153f4c4a1ab240a3c22cf39c07444bddafeb0c54)
@@ -38,18 +38,33 @@
 	<title><fmt:message key="activity.title" /></title>
 	
 	<script type="text/javascript" src="${lams}includes/javascript/common.js"></script>
+	<script type="text/javascript" src="${lams}includes/javascript/jquery-latest.pack.js"></script>
 	<script language="JavaScript" type="text/JavaScript">
-		function submitLearningMethod(actionMethod) 
-		{
+		function submitMethod(actionMethod) {
+			var submit = true;
+			if (actionMethod != 'getPreviousQuestion') {
+				jQuery(".text-area").each(function() {
+					if (jQuery.trim($(this).val()) == "") {
+						if (confirm('<fmt:message key="warning.empty.answers" />')) {
+							doSubmit(actionMethod);
+							return false;
+						} else {
+							this.focus();
+							return submit = false;
+						}
+					}
+				});
+			}
+			if (submit) {
+				doSubmit(actionMethod);
+			}
+		}
+		
+		function doSubmit(actionMethod) {
 			document.QaLearningForm.method.value=actionMethod; 
 			document.QaLearningForm.submit();
 		}
 		
-		function submitMethod(actionMethod) 
-		{
-			submitLearningMethod(actionMethod);
-		}
-		
 	</script>
 </lams:head>