reverting back to the way frank had it, even though it seems to break some things, since I do not know why the change was made

lib/WebGUI/Form/Checkbox.pm

@@ -64,7 +64,7 @@ sub definition {
 			defaultValue=> 0
 			},
 		defaultValue=>{
-			defaultValue=> 1
+			defaultValue=> undef
 			},
 		});
         return $class->SUPER::definition($session, $definition);