Index: program/include/html.php
===================================================================
--- program/include/html.php	(revision 54d830fa44e3e387b06a19c8fb9daf63d0994941)
+++ program/include/html.php	(revision ff6def42cad6f209005ce6683628218693eda7b7)
@@ -372,5 +372,5 @@
 
         // set value attribute
-        $this->attrib['checked'] = ($value && (string)$value == (string)$this->attrib['value']);
+        $this->attrib['checked'] = ((string)$value == (string)$this->attrib['value']);
 
         return parent::show();
@@ -402,5 +402,5 @@
 
         // set value attribute
-        $this->attrib['checked'] = ($value && (string)$value == (string)$this->attrib['value']);
+        $this->attrib['checked'] = ((string)$value == (string)$this->attrib['value']);
 
         return parent::show();
@@ -511,6 +511,6 @@
             $attr = array(
                 'value' => $option['value'],
-                'selected' => ((!empty($option['value']) && in_array($option['value'], $select, true)) ||
-            (in_array($option['text'], $select, TRUE))) ? 1 : null);
+                'selected' => (in_array($option['value'], $select, true) ||
+            in_array($option['text'], $select, true)) ? 1 : null);
 
             $this->content .= self::tag('option', $attr, Q($option['text']));