Index: lams_tool_lamc/web/authoring/editQuestionBox.jsp
===================================================================
diff -u -r7011368b3f7cc34d52ce8f8640b64a9add794dd6 -r525fef17717ea250350b7204056960f735ce02cb
--- lams_tool_lamc/web/authoring/editQuestionBox.jsp	(.../editQuestionBox.jsp)	(revision 7011368b3f7cc34d52ce8f8640b64a9add794dd6)
+++ lams_tool_lamc/web/authoring/editQuestionBox.jsp	(.../editQuestionBox.jsp)	(revision 525fef17717ea250350b7204056960f735ce02cb)
@@ -68,7 +68,34 @@
 				document.McAuthoringForm.questionIndex.value=questionIndexValue; 
 				submitMethod("removeCandidate");
 			}
-		
+
+			function validateDuplicateCorrectAnswers() 
+			{
+				var correctCount = 0;
+				for(i = 1; i < 51; i++)
+				{
+					var currentId="select".concat(i)
+					var currentField=document.getElementById(currentId);
+					
+					if (currentField != null)
+					{
+						if ((typeof(currentField) != 'undefined') && (typeof(currentField) != null))
+						{
+							if (currentField.value == 'Correct')
+							{
+								correctCount = correctCount + 1;
+							}
+						}
+					}
+				}
+				
+				if (correctCount > 1)
+				{
+					var msg = "<fmt:message key="candidates.duplicate.correct"/>";
+					alert(msg);
+				}
+			}
+			
 		</script>
 	</head>
 
@@ -78,6 +105,7 @@
 			styleId="newQuestionForm" enctype="multipart/form-data" method="POST">
 
 			<html:hidden property="dispatch" value="saveSingleQuestion" />
+			<html:hidden property="currentField"/>
 			<html:hidden property="toolContentID" />
 			<html:hidden property="currentTab" styleId="currentTab" />
 			<html:hidden property="activeModule" />
@@ -131,7 +159,7 @@
 			<html:textarea property="feedback" rows="3" cols="70"></html:textarea>
 
 			<div class="space-bottom-top">
-				<a href="#" onclick="getElementById('newQuestionForm').submit();"
+				<a href="#" onclick="validateDuplicateCorrectAnswers(); getElementById('newQuestionForm').submit();"
 					class="button-add-item"> <fmt:message key="label.save.question" />
 				</a>