* Items to be shown in dropdown
* Index of currently selected dropdown item
-#### `checkbox[<X>,<Y>;<name>;<label>;<selected>;<tooltip>]`
+#### `checkbox[<X>,<Y>;<name>;<label>;<selected>]`
* Show a checkbox
* `x` and `y`: position of checkbox
* `name` fieldname data is transferred to Lua
* `label` to be shown left of checkbox
* `selected` (optional): `true`/`false`
-* `tooltip` (optional)
#### `scrollbar[<X>,<Y>;<W>,<H>;<orientation>;<name>;<value>]`
* Show a scrollbar