<menubutton>

<menubutton> element is a menu element that includes an icon or image. With the exception of src, all of its attributes are derived from <menu>

src is an optional attribute used for specifying the menubutton's menu icon. 

<menubutton src="image file">

<menubutton src="back.gif">
<menupopup>
  <menuitem value="foo" />
  <menuitem value="shoo" />
  <menuitem value="boo" />
</menupopup>
</menulist> 

Notes

None.