Add the drop-down menu code in the "Layout" section when you want to include it on all your blog's pages. Select "Add a Gadget." Choose the "HTML/JavaScript" option.

HTML forms enable you to add a selectable list to your site. HTML form items like drop-down menus enable you to add dynamic functionality to your Web pages using JavaScript.

Now, before you select what you want to add or remove, click on the toolbar you want to edit. For example, let’s say you want to add the icon for the command Organization Chart in the Insert menu.