diff --git a/samigo/samigo-app/src/java/org/sakaiproject/tool/assessment/bundle/AuthorMessages.properties b/samigo/samigo-app/src/java/org/sakaiproject/tool/assessment/bundle/AuthorMessages.properties
index 89c31dae5323..2234022555c1 100755
--- a/samigo/samigo-app/src/java/org/sakaiproject/tool/assessment/bundle/AuthorMessages.properties
+++ b/samigo/samigo-app/src/java/org/sakaiproject/tool/assessment/bundle/AuthorMessages.properties
@@ -647,8 +647,8 @@ upload=Upload
 browse=Browse
 
 note_negative_point_value_part=REQUIRED: Overrides corresponding value in originating pool. Pertains only to 'True False' or 'Multiple Choice, Single Correct' questions.
-note_negative_point_value_question=Optional. Pertains only to 'True False' or 'Multiple Choice, Single Correct' questions.
-negative_point_value=* Negative point value for incorrect answer selection
+negative_point_value=Negative point value for incorrect answer selection
+negative_point_value_note=Negative point is disabled due to the use of minimum point or partial credit features.
 
 select_action=-- Select Action --
 action_scores=Scores
diff --git a/samigo/samigo-app/src/java/org/sakaiproject/tool/assessment/ui/bean/author/ItemAuthorBean.java b/samigo/samigo-app/src/java/org/sakaiproject/tool/assessment/ui/bean/author/ItemAuthorBean.java
index 3225806a66f1..88f58370cfe2 100644
--- a/samigo/samigo-app/src/java/org/sakaiproject/tool/assessment/ui/bean/author/ItemAuthorBean.java
+++ b/samigo/samigo-app/src/java/org/sakaiproject/tool/assessment/ui/bean/author/ItemAuthorBean.java
@@ -1554,4 +1554,24 @@ public void setAllowMinScore(Boolean allowMinScore) {
 	  this.allowMinScore = allowMinScore;
   }
 
+    public boolean isDisableNegativePoints() {
+        Long type = null;
+        try {
+            type = Long.parseLong(currentItem.getItemType());
+        } catch (NumberFormatException nfe) {
+            return true;
+        }
+        boolean value = true;
+        if (currentItem != null && !getAllowMinScore() && // disable if using min score
+                (currentItem.getPartialCreditFlag().equals("false") || !currentItem.isPartialCreditEnabled()) && // disable if using partial credit
+                (type == TypeFacade.MULTIPLE_CHOICE || // enable for single correct
+                        type == TypeFacade.MULTIPLE_CORRECT_SINGLE_SELECTION || // enable for multiple correct single selection
+                        type == TypeFacade.TRUE_FALSE || // enable for multiple correct single selection
+                        (type == TypeFacade.MULTIPLE_CORRECT && // enable for multiple correct multiple selection and
+                                (currentItem.getMcmsPartialCredit().equals("false"))))) { // not using multiple choice multiple correct partial credit
+            value = false;
+        }
+        log.debug("Disable negative points: " + Boolean.toString(value));
+        return value;
+    }
 }
diff --git a/samigo/samigo-app/src/webapp/js/authoring.js b/samigo/samigo-app/src/webapp/js/authoring.js
index ff4ee9795b43..e01b4031b457 100644
--- a/samigo/samigo-app/src/webapp/js/authoring.js
+++ b/samigo/samigo-app/src/webapp/js/authoring.js
@@ -234,10 +234,48 @@ function disableImport(){
   }
 }
 
-function toPoint(id)
-{
-  var x=document.getElementById(id).value
-  document.getElementById(id).value=x.replace(',','.')
+$( document ).ready( function() {
+
+    // inputText with class ConvertPoint changes
+    $( "input.ConvertPoint[type='text']" ).change( function() {
+        var value = $( this ).val();
+        if (value) {
+            $( this ).val(value.replace(',','.'));
+        } else {
+            $( this ).val("0")
+        }
+    });
+
+    // validation for minPoints 
+    $( "#itemForm\\:minPoints\\:answerminptr" ).change( function() {
+        var pointValue = parseFloat( $( "#itemForm\\:answerptr" ).val() );
+        var minValue = parseFloat ( $( this ).val() );
+        if (!pointValue.isNaN && !minValue.isNaN) {
+            // minValue should not be equal to or greater than pointValue
+            if (minValue < 0 || minValue >= pointValue) {
+                validationWarningSetDefault($( this ), "0")
+            }
+        }
+    });
+
+    // validation for negative points
+    $( "#itemForm\\:answerdsc" ).change( function() {
+        var pointValue = parseFloat( $( "#itemForm\\:answerptr" ).val() );
+        var negativeValue = parseFloat ( $( this ).val() );
+        if (!pointValue.isNaN && !negativeValue.isNaN) {
+            // minValue should not be equal to or greater than pointValue
+            if (negativeValue < 0 || negativeValue > pointValue) {
+                validationWarningSetDefault($( this ), "0")
+            }
+        }
+    });
+
+});
+
+function validationWarningSetDefault(element, value) {
+    $( element ).animate({ backgroundColor: "red" });
+    $( element ).val(value);
+    $( element ).animate({ backgroundColor: "transparent" });
 }
 
 /**
@@ -654,18 +692,6 @@ function mySetMainFrameHeight(id, minHeight)
 	}
 }
 
-function toggleNegativePointVal(val){
-	var negPointField = document.getElementById('itemForm:answerdsc');
-	if(negPointField){
-		if(val){
-			negPointField.value = 0;
-			negPointField.disabled = true;
-		}else{
-			negPointField.disabled = false;
-		}
-	}
-}
-
 function resetSelectMenus(){
   var selectlist = document.getElementsByTagName("SELECT");
 
@@ -681,4 +707,3 @@ function clickInsertLink(field){
   var hiddenSelector = "#" + insertlinkid.replace( /(:|\.|\[|\]|,)/g, "\\$1" );
   $(hiddenSelector).click();
 }
-
diff --git a/samigo/samigo-app/src/webapp/jsf/author/editAssessment.jsp b/samigo/samigo-app/src/webapp/jsf/author/editAssessment.jsp
index b00aa9a423fc..668982800c2a 100755
--- a/samigo/samigo-app/src/webapp/jsf/author/editAssessment.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/editAssessment.jsp
@@ -362,7 +362,7 @@ $(window).load( function() {
      <h:outputText rendered="#{question.itemData.typeId== 16}" value=" #{authorMessages.image_map_question}"/><!-- IMAGEMAP_QUESTION -->
 
      <h:outputText value=" #{authorMessages.dash} " />
-     <h:inputText id="answerptr" value="#{question.updatedScore}" required="true" disabled="#{author.isEditPoolFlow || (question.itemData.typeId== 14)}" label="#{authorMessages.pt}" size="6" onkeydown="inIt()" onchange="toPoint(this.id);" rendered="#{question.itemData.typeId!= 3}">
+     <h:inputText id="answerptr" value="#{question.updatedScore}" required="true" disabled="#{author.isEditPoolFlow || (question.itemData.typeId== 14)}" label="#{authorMessages.pt}" size="6" onkeydown="inIt()" styleClass="ConvertPoint" rendered="#{question.itemData.typeId!= 3}">
 	<f:validateDoubleRange minimum="0.00"/></h:inputText>
     <h:outputText rendered="#{question.itemData.typeId== 3}" value="#{question.updatedScore}"/>
 		<h:outputText rendered="#{question.itemData.score > 1}" value=" #{authorMessages.points_lower_case}"/>
diff --git a/samigo/samigo-app/src/webapp/jsf/author/editPart.jsp b/samigo/samigo-app/src/webapp/jsf/author/editPart.jsp
index fe0defdd0524..38687804648c 100755
--- a/samigo/samigo-app/src/webapp/jsf/author/editPart.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/editPart.jsp
@@ -119,12 +119,12 @@
             <t:fieldset styleClass="roundedBorder" legend="#{authorMessages.scoring}" rendered="#{sectionBean.type == '2'}">
                 <t:div id="pointsOption" rendered="#{sectionBean.type == '2'}">
                     <h:outputText rendered="#{sectionBean.type == '2'}" value="#{authorMessages.random_draw_correct_prefix}"/>
-                    <h:inputText rendered="#{sectionBean.type == '2'}" id="numPointsRandom" disabled="#{sectionBean.type == '1' || !author.isEditPendingAssessmentFlow}" value="#{sectionBean.randomPartScore}" onchange="toPoint(this.id);"/>
+                    <h:inputText rendered="#{sectionBean.type == '2'}" id="numPointsRandom" disabled="#{sectionBean.type == '1' || !author.isEditPendingAssessmentFlow}" value="#{sectionBean.randomPartScore}" styleClass="ConvertPoint"/>
                     <h:outputText rendered="#{sectionBean.type == '2'}" value="#{authorMessages.random_draw_correct_suffix}"/>
                 </t:div>
                 <t:div id="deductOption" rendered="#{sectionBean.type == '2'}">
                     <h:outputText rendered="#{sectionBean.type == '2'}" value="#{authorMessages.random_draw_deduct_prefix}"/>
-                    <h:inputText rendered="#{sectionBean.type == '2'}" id="numDiscountRandom" disabled="#{sectionBean.type == '1' || !author.isEditPendingAssessmentFlow}" value="#{sectionBean.randomPartDiscount}" onchange="toPoint(this.id);"/>
+                    <h:inputText rendered="#{sectionBean.type == '2'}" id="numDiscountRandom" disabled="#{sectionBean.type == '1' || !author.isEditPendingAssessmentFlow}" value="#{sectionBean.randomPartDiscount}" styleClass="ConvertPoint"/>
                     <h:outputText rendered="#{sectionBean.type == '2'}" value="#{authorMessages.random_draw_deduct_suffix}"/>
                 </t:div>
             </t:fieldset>
diff --git a/samigo/samigo-app/src/webapp/jsf/author/item/audioRecording.jsp b/samigo/samigo-app/src/webapp/jsf/author/item/audioRecording.jsp
index cc21c8c03fce..0a305c88ad4e 100644
--- a/samigo/samigo-app/src/webapp/jsf/author/item/audioRecording.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/item/audioRecording.jsp
@@ -78,8 +78,7 @@
         <h:outputLabel value="#{authorMessages.answer_point_value}" styleClass="col-md-4 form-control-label"/>
         <div class="col-md-2">
             <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" 
-                        required="true" disabled="#{author.isEditPoolFlow}" onchange="toPoint(this.id);"
-                        styleClass="form-control">
+                        required="true" disabled="#{author.isEditPoolFlow}" styleClass="form-control ConvertPoint">
                 <f:validateDoubleRange minimum="0.00"/>
             </h:inputText>
             <h:message for="answerptr" styleClass="validate"/>
@@ -100,7 +99,7 @@
   Ths is commented out since it doesn't make sense to have a min value for a question that doesn't automatically calculate a score
    <div class="shorttext">
     <h:outputLabel value="#{authorMessages.answer_min_point_value}" />
-    <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" onchange="toPoint(this.id);">
+    <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" styleClass="ConvertPoint">
 <f:validateDoubleRange/>
 </h:inputText><br/>
     <h:message for="answerminptr" styleClass="validate"/>
diff --git a/samigo/samigo-app/src/webapp/jsf/author/item/extendedMatchingItems.jsp b/samigo/samigo-app/src/webapp/jsf/author/item/extendedMatchingItems.jsp
index ecefc95b71db..06f4443ebbca 100644
--- a/samigo/samigo-app/src/webapp/jsf/author/item/extendedMatchingItems.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/item/extendedMatchingItems.jsp
@@ -495,7 +495,7 @@
 								<f:verbatim>
 									<br />
 								</f:verbatim>
-								<h:inputText id="itemScore" value="#{answer.score}" onchange="toPoint(this.id);"
+								<h:inputText id="itemScore" value="#{answer.score}" styleClass="ConvertPoint"
 									style="" size="4" maxlength="4" >
 									<f:validateDoubleRange minimum="0.00"/>
 								</h:inputText>
diff --git a/samigo/samigo-app/src/webapp/jsf/author/item/fileUpload.jsp b/samigo/samigo-app/src/webapp/jsf/author/item/fileUpload.jsp
index ba4d73a17875..eca9820891f8 100644
--- a/samigo/samigo-app/src/webapp/jsf/author/item/fileUpload.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/item/fileUpload.jsp
@@ -69,14 +69,13 @@
  </h:commandButton>
 </p>
 
-
     <!-- QUESTION PROPERTIES -->
     <!-- 1 POINTS -->
     <div class="form-group row">
         <h:outputLabel for="answerptr" value="#{authorMessages.answer_point_value}" styleClass="col-md-2 form-control-label"/>
         <div class="col-md-2">
             <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" 
-                         required="true" disabled="#{author.isEditPoolFlow}" onchange="toPoint(this.id);" styleClass="form-control">
+                         required="true" disabled="#{author.isEditPoolFlow}" styleClass="form-control ConvertPoint">
                 <f:validateDoubleRange minimum="0.00"/>
             </h:inputText>
             <h:message for="answerptr" styleClass="validate"/><br/>
@@ -87,7 +86,7 @@
     Ths is commented out since it doesn't make sense to have a min value for a question that doesn't automatically calculate a score
     <div class="shorttext">
         <h:outputLabel value="#{authorMessages.answer_min_point_value}" />
-        <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" onchange="toPoint(this.id);">
+        <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" styleClass="form-control ConvertPoint">
     <f:validateDoubleRange/>
     </h:inputText>
         <h:message for="answerminptr" styleClass="validate"/><br/>
@@ -183,9 +182,6 @@
         </div>
     </h:panelGroup>
 
-
-
-
 <p class="act">
 
   <h:commandButton rendered="#{itemauthor.target=='assessment'}" value="#{commonMessages.action_save}" action="#{itemauthor.currentItem.getOutcome}" styleClass="active">
diff --git a/samigo/samigo-app/src/webapp/jsf/author/item/fillInNumeric.jsp b/samigo/samigo-app/src/webapp/jsf/author/item/fillInNumeric.jsp
index b9bbdb4fff97..453e80544085 100644
--- a/samigo/samigo-app/src/webapp/jsf/author/item/fillInNumeric.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/item/fillInNumeric.jsp
@@ -69,8 +69,7 @@
         <h:outputLabel for="answerptr" value="#{authorMessages.answer_point_value}" styleClass="col-md-4 form-control-label"/>
         <div class="col-md-2">
             <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" 
-                         required="true" disabled="#{author.isEditPoolFlow}" onchange="toPoint(this.id);" 
-                         styleClass="form-control">
+                         required="true" disabled="#{author.isEditPoolFlow}" styleClass="form-control ConvertPoint">
                 <f:validateDoubleRange minimum="0.00"/>
             </h:inputText>
             <h:message for="answerptr" styleClass="validate"/>
@@ -82,8 +81,7 @@
         <div class="form-group row">   
             <h:outputLabel for="answerminptr" value="#{authorMessages.answer_min_point_value}" styleClass="col-md-4 form-control-label"/>
             <div class="col-md-2">
-                <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" 
-                             onchange="toPoint(this.id);" styleClass="form-control">
+                <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" styleClass="form-control ConvertPoint">
                     <f:validateDoubleRange />
                 </h:inputText>    
                 <h:outputText value="#{authorMessages.answer_min_point_info}"/>
diff --git a/samigo/samigo-app/src/webapp/jsf/author/item/fillInTheBlank.jsp b/samigo/samigo-app/src/webapp/jsf/author/item/fillInTheBlank.jsp
index cc96a721d8b7..bfbfb95e1f2c 100644
--- a/samigo/samigo-app/src/webapp/jsf/author/item/fillInTheBlank.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/item/fillInTheBlank.jsp
@@ -80,7 +80,7 @@
         <h:outputLabel for="answerptr" value="#{authorMessages.answer_point_value}" styleClass="col-md-4 form-control-label"/>
         <div class="col-md-2">
             <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" 
-                        required="true" disabled="#{author.isEditPoolFlow}" onchange="toPoint(this.id);" styleClass="form-control">
+                        required="true" disabled="#{author.isEditPoolFlow}" styleClass="form-control ConvertPoint">
                 <f:validateDoubleRange minimum="0.00"/>
             </h:inputText>
             <h:message for="answerptr" styleClass="validate"/>
@@ -102,8 +102,7 @@
         <div class="form-group row">   
             <h:outputLabel value="#{authorMessages.answer_min_point_value}" styleClass="col-md-4 form-control-label"/>
             <div class="col-md-2">
-                <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" onchange="toPoint(this.id);" 
-                            styleClass="form-control">
+                <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" styleClass="form-control ConvertPoint">
                     <f:validateDoubleRange/>
                 </h:inputText>
                 <h:outputText value="#{authorMessages.answer_min_point_info}"  />
diff --git a/samigo/samigo-app/src/webapp/jsf/author/item/imageMapQuestion.jsp b/samigo/samigo-app/src/webapp/jsf/author/item/imageMapQuestion.jsp
index 4ed3aa297739..33664cd8327f 100644
--- a/samigo/samigo-app/src/webapp/jsf/author/item/imageMapQuestion.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/item/imageMapQuestion.jsp
@@ -127,7 +127,7 @@
   <!-- 1 POINTS -->
   <div class="tier2">
    <div class="shorttext"> <h:outputLabel value="#{authorMessages.answer_point_value}" />
-    <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" required="true" disabled="#{author.isEditPoolFlow}" onchange="toPoint(this.id);">
+    <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" required="true" disabled="#{author.isEditPoolFlow}" styleClass="ConvertPoint">
 <f:validateDoubleRange minimum="0.00"/>
 </h:inputText>
 <br/><h:message for="answerptr" styleClass="validate"/>
diff --git a/samigo/samigo-app/src/webapp/jsf/author/item/matching.jsp b/samigo/samigo-app/src/webapp/jsf/author/item/matching.jsp
index 02a7340a04d1..1b477c4a1b0a 100644
--- a/samigo/samigo-app/src/webapp/jsf/author/item/matching.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/item/matching.jsp
@@ -92,7 +92,7 @@
         <h:outputLabel for="answerptr" value="#{authorMessages.answer_point_value}" styleClass="col-md-4 form-control-label"/>
         <div class="col-md-2">
             <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" 
-                        required="true" disabled="#{author.isEditPoolFlow}" onchange="toPoint(this.id);" styleClass="form-control">
+                        required="true" disabled="#{author.isEditPoolFlow}" styleClass="form-control ConvertPoint">
                 <f:validateDoubleRange minimum="0.00"/>
             </h:inputText>
             <h:message for="answerptr" styleClass="validate"/>
@@ -114,8 +114,7 @@
         <div class="form-group row">   
             <h:outputLabel value="#{authorMessages.answer_min_point_value}" styleClass="col-md-4 form-control-label"/>
             <div class="col-md-2">
-                <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" onchange="toPoint(this.id);"
-                            styleClass="form-control">
+                <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" styleClass="form-control ConvertPoint">
                     <f:validateDoubleRange/>
                 </h:inputText>
                 <h:outputText value="#{authorMessages.answer_min_point_info}"  />
@@ -139,7 +138,7 @@
 
     <!-- 2a ATTACHMENTS -->
     <%@ include file="/jsf/author/item/attachment.jsp" %>
-  
+
     <!-- 3 ANSWER -->
     <div class="longtext"> 
         <h:outputLabel value="#{authorMessages.create_pairing} " />
diff --git a/samigo/samigo-app/src/webapp/jsf/author/item/matrixChoicesSurvey.jsp b/samigo/samigo-app/src/webapp/jsf/author/item/matrixChoicesSurvey.jsp
index 921dd249346c..0b209b7f1243 100644
--- a/samigo/samigo-app/src/webapp/jsf/author/item/matrixChoicesSurvey.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/item/matrixChoicesSurvey.jsp
@@ -84,7 +84,6 @@
  </h:commandButton>
 </p>
 
- 
     <div>
     
     <!-- 1 POINTS --> 
@@ -92,7 +91,7 @@
         <h:outputLabel value="#{authorMessages.answer_point_value}" styleClass="col-md-4 form-control-label"/>
         <div class="col-md-2">
             <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" 
-                        required="true" size="6" onchange="toPoint(this.id);" styleClass="form-control">
+                        required="true" size="6" styleClass="form-control ConvertPoint">
                 <f:validateDoubleRange />
             </h:inputText>
             <h:message for="answerptr" styleClass="validate" />
diff --git a/samigo/samigo-app/src/webapp/jsf/author/item/multipleChoice.jsp b/samigo/samigo-app/src/webapp/jsf/author/item/multipleChoice.jsp
index 785f46e01b76..d4fb26b1d962 100755
--- a/samigo/samigo-app/src/webapp/jsf/author/item/multipleChoice.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/item/multipleChoice.jsp
@@ -57,7 +57,7 @@
   <div class="form-group row"> 
     <h:outputLabel styleClass="col-md-2" value="#{authorMessages.answer_point_value}" />
     <div class="col-md-2">
-      <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" required="true" styleClass="form-control" disabled="#{author.isEditPoolFlow}" onchange="toPoint(this.id);">
+      <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" required="true" styleClass="form-control ConvertPoint" disabled="#{author.isEditPoolFlow}">
         <f:validateDoubleRange minimum="0.00" />
       </h:inputText>
       <h:message for="answerptr" styleClass="validate" />
@@ -81,7 +81,7 @@
   <f:subview id="minPoints" rendered="#{itemauthor.allowMinScore}">
     <div class="shorttext">
       <h:outputLabel value="#{authorMessages.answer_min_point_value}" />
-        <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" size="6"  onchange="toPoint(this.id); toggleNegativePointVal(this.value);">
+        <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" size="6"  styleClass="ConvertPoint">
           <f:validateDoubleRange />
         </h:inputText>
         <small>
@@ -153,14 +153,13 @@
 </div>
 
 <div id="discountDiv" class="longtext">
-  <h:panelGroup id="discountTable"
-        rendered="#{(itemauthor.currentItem.itemType==1 &&(itemauthor.currentItem.partialCreditFlag=='false'||itemauthor.currentItem.partialCreditEnabled==false))
-        || itemauthor.currentItem.itemType==12 || (itemauthor.currentItem.itemType==2 && itemauthor.currentItem.mcmsPartialCredit=='false')}">
+  <h:panelGroup id="discountTable">
   <h:outputText value="&nbsp;&nbsp;" escape="false" />
   <h:outputLabel value="#{authorMessages.negative_point_value}"/>
-  <h:inputText id="answerdsc" value="#{itemauthor.currentItem.itemDiscount}" required="true" onchange="toPoint(this.id);">
+  <h:inputText id="answerdsc" value="#{itemauthor.currentItem.itemDiscount}" required="true" styleClass="ConvertPoint" disabled="#{itemauthor.disableNegativePoints}">
     <f:validateDoubleRange/>
   </h:inputText>
+  <small><h:outputText value="#{authorMessages.negative_point_value_note}" rendered="#{itemauthor.disableNegativePoints==true}"/></small>
   <f:verbatim> <script type="text/javascript" defer='defer'>
   		var itemType = "${itemauthor.currentItem.itemType}";
   		var discDiv=document.getElementById('discountDiv');
@@ -417,19 +416,6 @@
  </h:commandButton>
 
 </p>
-
-<f:subview id="disableNegVal" rendered="#{!empty itemauthor.currentItem.itemMinScore}">
-<f:verbatim>
-<script type="text/javascript">
-	var negPointField = document.getElementById('itemForm:answerdsc');
-	if(negPointField){
-		negPointField.value = 0;
-		negPointField.disabled = true;
-	}
-</script>
-</f:verbatim>
-</f:subview>
-
 </h:form>
 <!-- end content -->
 </div>
diff --git a/samigo/samigo-app/src/webapp/jsf/author/item/shortAnswer.jsp b/samigo/samigo-app/src/webapp/jsf/author/item/shortAnswer.jsp
index 0110e5795372..819fe2a4b4f0 100644
--- a/samigo/samigo-app/src/webapp/jsf/author/item/shortAnswer.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/item/shortAnswer.jsp
@@ -54,7 +54,7 @@
   <div class="form-group row"> 
     <h:outputLabel styleClass="col-md-2" value="#{authorMessages.answer_point_value}" />
     <div class="col-md-2">
-      <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" required="true" disabled="#{author.isEditPoolFlow}" onchange="toPoint(this.id);">
+      <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" required="true" disabled="#{author.isEditPoolFlow}" styleClass="ConvertPoint">
 	    <f:validateDoubleRange minimum="0.00"/>
 	  </h:inputText>
 	<h:message for="answerptr" styleClass="validate"/>
@@ -79,7 +79,7 @@
 <f:subview id="minPoints" rendered="#{itemauthor.allowMinScore}">
   <div class="shorttext">
     <h:outputLabel value="#{authorMessages.answer_min_point_value}" />
-    <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" onchange="toPoint(this.id);">
+    <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" styleClass="ConvertPoint">
 	  <f:validateDoubleRange/>
 	</h:inputText>
     <h:outputText value="#{authorMessages.answer_min_point_info}" style="font-size: x-small" />
diff --git a/samigo/samigo-app/src/webapp/jsf/author/item/trueFalse.jsp b/samigo/samigo-app/src/webapp/jsf/author/item/trueFalse.jsp
index 936d4c6ea3a2..ab0f7dffe1f4 100644
--- a/samigo/samigo-app/src/webapp/jsf/author/item/trueFalse.jsp
+++ b/samigo/samigo-app/src/webapp/jsf/author/item/trueFalse.jsp
@@ -71,15 +71,13 @@
  </h:commandButton>
 </p>
 
- 
     <!-- QUESTION PROPERTIES -->
     <!-- 1 POINTS -->
     <div class="form-group row">
         <h:outputLabel for="answerptr" value="#{authorMessages.answer_point_value}" styleClass="col-md-4 form-control-label"/>
         <div class="col-md-2">
             <h:inputText id="answerptr" label="#{authorMessages.pt}" value="#{itemauthor.currentItem.itemScore}" 
-                         required="true" disabled="#{author.isEditPoolFlow}" onchange="toPoint(this.id);"
-                         styleClass="form-control">
+                         required="true" disabled="#{author.isEditPoolFlow}" styleClass="form-control ConvertPoint">
                 <f:validateDoubleRange minimum="0.00"/>
             </h:inputText>
             <h:message for="answerptr" styleClass="validate"/>
@@ -101,8 +99,7 @@
             <h:outputLabel for="answerminptr" value="#{authorMessages.answer_min_point_value}" 
                            styleClass="col-md-4 form-control-label"/>
             <div class="col-md-2">
-                <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" 
-                             onchange="toPoint(this.id);" styleClass="form-control">
+                <h:inputText id="answerminptr" value="#{itemauthor.currentItem.itemMinScore}" styleClass="form-control ConvertPoint">
                     <f:validateDoubleRange />
                 </h:inputText>    
                 <h:outputText value="#{authorMessages.answer_min_point_info}"/>
@@ -111,16 +108,16 @@
         </div>
     </f:subview>
 
-    <!-- DISCOUNT -->
+    <!-- NEGATIVE POINT -->
     <div class="form-group row">
         <h:outputLabel for="answerdsc" value="#{authorMessages.negative_point_value}" styleClass="col-md-4 form-control-label"/>
         <div class="col-md-2">
-            <h:inputText id="answerdsc" value="#{itemauthor.currentItem.itemDiscount}" 
-                         required="true" onchange="toPoint(this.id);" styleClass="form-control">
+            <h:inputText id="answerdsc" value="#{itemauthor.currentItem.itemDiscount}" required="true" 
+                        styleClass="form-control ConvertPoint" disabled="#{itemauthor.disableNegativePoints}">
                         <f:validateDoubleRange/>
             </h:inputText>
+            <small><h:outputText value="#{authorMessages.negative_point_value_note}" rendered="#{itemauthor.disableNegativePoints==true}"/></small>
             <h:message for="answerdsc" styleClass="validate"/>
-            <h:outputText value="#{authorMessages.note_negative_point_value_question}" />
         </div>
     </div>