Index: branches/unlabeled/unlabeled-1.24.2/kernel/include/config.php
===================================================================
diff -u -r5437 -r5796
--- branches/unlabeled/unlabeled-1.24.2/kernel/include/config.php	(.../config.php)	(revision 5437)
+++ branches/unlabeled/unlabeled-1.24.2/kernel/include/config.php	(.../config.php)	(revision 5796)
@@ -343,7 +343,7 @@
             			$o .= '<input type="radio" tabindex="'.$this->TabIndex.'" name="'.$this->name.'" value="'.$parts[0].'"';
             			$o .= ($this->default_value == $parts[0]) ? ' checked>' : '>';
             			
-            			$o .= (substr($s,0,1)=="+") ? $s : prompt_language($s);
+            			$o .= (substr($s,0,1)=="+") ? substr($s,1) : prompt_language($s);
             		}
             	}
             	$this->TabIndex++;
Index: branches/unlabeled/unlabeled-1.13.2/kernel/include/customfield.php
===================================================================
diff -u -r4760 -r5796
--- branches/unlabeled/unlabeled-1.13.2/kernel/include/customfield.php	(.../customfield.php)	(revision 4760)
+++ branches/unlabeled/unlabeled-1.13.2/kernel/include/customfield.php	(.../customfield.php)	(revision 5796)
@@ -123,7 +123,7 @@
         $ml_formatter =& $this->Application->recallObject('kMultiLanguage');
         foreach ($custom_fields as $custom_id => $custom_info) {
         	$custom_name = $ml_formatter->LangFieldName('cust_'.$custom_id);
-        	$custom_info['Value'] = getArrayValue($custom_data, $custom_name) ? $custom_data[$custom_name] : '';
+        	$custom_info['Value'] = $custom_data[$custom_name];
         	$custom_info['CustomDataId'] = 0;
         	$this->AddItemFromArray($custom_info);
         }
Index: branches/unlabeled/unlabeled-1.108.2/globals.php
===================================================================
diff -u -r5718 -r5796
--- branches/unlabeled/unlabeled-1.108.2/globals.php	(.../globals.php)	(revision 5718)
+++ branches/unlabeled/unlabeled-1.108.2/globals.php	(.../globals.php)	(revision 5796)
@@ -2025,8 +2025,15 @@
         for ($i = 0; $i < $CustomFields->NumItems(); $i++) {
 			$objField =& $CustomFields->GetItemRefByIndex($i);
 			$field_name = $objField->Get('FieldName');
-
+			$element_type = $objField->Get('ElementType');
+			
 			$value = getCustomValue($field_name);
+
+			if ($element_type == 'checkbox' && $value === false) {
+				// unchecked checkboxes are not submitted
+				$value = 0;
+			}
+			
 			if ($value !== false) {
 				$objCustomEdit->SetFieldValue($objField->Get('CustomFieldId'), $resource_id, $value);
 				$data_changed = true;