Handle option.disabled

src/General/css/layout.css

@@ -84,6 +84,10 @@ body > hr {
 .index #returnlink {
   display: none;
 }
+#index-menu .selectrice {
+  width: 110px;
+  display: inline-block;
+}
 #index-search {
   padding-right: 1.5em;
   width: 100px;
@@ -120,7 +124,6 @@ body > hr {
 #index-last-refresh::after  {
   content: ']';
 }
-
 .catalog-mode .board {
   text-align: center;
 }

src/Theming/Rice.coffee

@@ -57,6 +57,8 @@ Rice =
     option: (e) ->
       e.stopPropagation()
       e.preventDefault()
+      
+      return if @dataset.disabled
 
       select    = Rice.input
       container = select.nextElementSibling
@@ -87,6 +89,8 @@ Rice =
       for option in select.options
         li = $.el 'li', textContent: option.textContent
         li.dataset.value = option.value
+        if option.disabled
+          li.dataset.disabled = true
         $.on li, 'click', Rice.cb.option
         nodes.push li