Consistent styling

app/assets/javascripts/dropdown.coffee

@@ -11,7 +11,7 @@ class Selector
     self = this
 
     @dropdown.on 'click', (e) ->
-      $(this).toggleClass('active')
+      $(this).toggleClass('active') unless $(this).hasClass('disabled')
       false
 
     @options.on 'click', (e) ->

app/assets/javascripts/pastemaster.coffee

@@ -3,6 +3,7 @@ $ ->
   $contents = $form.find('textarea')
   $_button = $form.find('input[type="submit"]')
   $button = $form.find('a[role="submit"]')
+  $syntax_selector = $('#syntax-selector')
 
   # Hide generic button, show styled button
   $_button.hide()
@@ -10,6 +11,8 @@ $ ->
   $contents.focus()
 
   # Binding submit event to new button
-  $button.on 'mouseup', ->
-    $form.submit()
+  $button.on 'click', (e) ->
+    $form.submit() unless $(this).hasClass('disabled')
+    $(this).addClass('disabled')
+    $syntax_selector.addClass('disabled')
     false