diff --git a/gulliver/js/grid/core/grid.js b/gulliver/js/grid/core/grid.js
index 45aa36008..66cbc8049 100755
--- a/gulliver/js/grid/core/grid.js
+++ b/gulliver/js/grid/core/grid.js
@@ -307,9 +307,12 @@ var G_Grid = function(oForm, sGridName){
                       }
                     }
                     break;
-                  case 'checkbox': //CHECKBOX
-                    aObjects[n].checked = false;
-                    aObjects[n].value = defaultValue;
+                  case 'checkbox': //CHECKBOX 
+                    attributesFalse = elementAttributesNS(aObjects[0], '');                       
+                    if((defaultValue === attributesFalse.falsevalue) || (defaultValue==='')) 
+                      aObjects[n].checked = false;  
+                    else
+                      aObjects[n].checked = true;                     
                     break;
                   case 'hidden': //HIDDEN
                     if ((attributes.gridtype != 'yesno' && attributes.gridtype != 'dropdown') || typeof attributes.gridtype == 'undefined')
diff --git a/gulliver/system/class.form.php b/gulliver/system/class.form.php
index f45b040a0..f1d02829f 100755
--- a/gulliver/system/class.form.php
+++ b/gulliver/system/class.form.php
@@ -316,6 +316,7 @@ class Form extends XmlForm
                 break;
 
               case 'checkgroup':
+                
               case 'listbox':
                 if ( is_array($newValues[$k]) ) {
                   $values[$k] = $values["{$k}_label"] = '';
@@ -534,13 +535,25 @@ class Form extends XmlForm
   function validateFields($data) {
     $values = array();
     $excludeTypes = array('submit', 'file');
-    
     foreach($this->fields as $k => $v) {
-      if (!in_array($v->type, $excludeTypes)) {
-        switch($v->type) {
-          case 'checkbox':
+      if (!in_array($v->type, $excludeTypes)) {                
+        switch($v->type) {          
+          case 'checkbox':   
             $data[$v->name] = isset($data[$v->name])? $data[$v->name] : $v->falseValue;
             break;
+          case 'grid':
+             $i = 0 ;
+             foreach ($data[$v->name] as $dataGrid) {              
+             $i++;
+               foreach ($v->fields as $dataGridInt) {                          
+                 switch($dataGridInt->type) {
+                   case 'checkbox':   
+                     $data[$v->name][$i][$dataGridInt->name] = isset($data[$v->name][$i][$dataGridInt->name])? $data[$v->name][$i][$dataGridInt->name] : $dataGridInt->falseValue;
+                     break;
+                 }                
+               }               
+             }
+            break;
           default:
         }
       }
diff --git a/gulliver/system/class.xmlform.php b/gulliver/system/class.xmlform.php
index 150ca684e..c9372b831 100755
--- a/gulliver/system/class.xmlform.php
+++ b/gulliver/system/class.xmlform.php
@@ -2398,16 +2398,23 @@ class XmlForm_Field_Checkbox extends XmlForm_Field
     $r      = 1;
     foreach ( $values as $v ) {
       $checked = (($v == $this->value) ? 'checked="checked"' : '');
-      if($this->readOnly==='readonly' or $this->readOnly==='1' ){
+      if($this->readOnly==='readonly' or $this->readOnly==='1' ) {
         $disabled = "disabled";
       }
-      else{
+      else {
         $disabled = '';
       }
-      //$disabled = (($this->value == 'view') ? 'disabled="disabled"' : '');
-      $html = $res = "<input id='form[" . $owner->name . "][" . $r . "][" . $this->name . "]' value='{$this->value}' name='form[" . $owner->name . "][" . $r . "][" . $this->name . "]' type='checkbox' $checked $disabled readonly = '{$this->readOnly}' ".$this->NSDefaultValue()." ".$this->NSGridType()."/>";
-      $result [] = $html;
-      $r ++;
+      if ($this->mode==='edit') {        
+        $html = $res = "<input id='form[" . $owner->name . "][" . $r . "][" . $this->name . "]' value='{$this->value}' falseValue= ".$this->falseValue."  name='form[" . $owner->name . "][" . $r . "][" . $this->name . "]' type='checkbox' $checked $disabled readonly = '{$this->readOnly}' ".$this->NSDefaultValue()." ".$this->NSGridType()."/>";
+        $result [] = $html;
+        $r ++;      
+      }
+      else {
+        //$disabled = (($this->value == 'view') ? 'disabled="disabled"' : '');
+        $html = $res = "<input id='form[" . $owner->name . "][" . $r . "][" . $this->name . "]' value='{$this->value}' falseValue= ".$this->falseValue." name='form[" . $owner->name . "][" . $r . "][" . $this->name . "]' type='checkbox' $checked disabled readonly = '{$this->readOnly}' ".$this->NSDefaultValue()." ".$this->NSGridType()."/>";
+        $result [] = $html;
+        $r ++;      
+      }      
     }
     return $result;
   }
diff --git a/workflow/engine/xmlform/dynaforms/fields_ToolbarGrid.xml b/workflow/engine/xmlform/dynaforms/fields_ToolbarGrid.xml
index e413b8782..15102f0eb 100755
--- a/workflow/engine/xmlform/dynaforms/fields_ToolbarGrid.xml
+++ b/workflow/engine/xmlform/dynaforms/fields_ToolbarGrid.xml
@@ -32,12 +32,10 @@
   <yesno type="toolButton" class="ss_sprite button_toolbar ss_yesno" onclick="fieldsAdd('yesno')" buttonType="class">
     <en>Yes/No</en>
   </yesno>
-  <!--.-->
-  <!--<separator5 type="toolButton" file="images/dynamicForm/separatorTable.gif" home="public_html" buttonStyle=""/>
-  <checkbox type="toolButton" onclick="fieldsAdd('checkbox')" file="images/dynamicForm/checkbox.gif" fileAlt="images/dynamicForm/hover.gif" home="public_html" buttonType="html">
-    <en><![CDATA[<div class="ss_sprite button_toolbar ss_check" title="Checkbox"></div>]]></en>
-  </checkbox>-->
-  <!--.-->
+  <separator5 type="toolButton" file="images/dynamicForm/separatorTable.gif" home="public_html" buttonStyle=""/>
+  <checkbox type="toolButton" class="ss_sprite button_toolbar ss_check" onclick="fieldsAdd('checkbox')" buttonType="class">
+    <en>Checkbox</en>
+  </checkbox>
   <separator7 type="toolButton" file="images/dynamicForm/separatorTable.gif" home="public_html" buttonStyle=""/>
   <date type="toolButton" class="ss_sprite button_toolbar ss_date" onclick="fieldsAdd('date')" buttonType="class">
     <en>Date</en>