gistfile1.txt

var { ToggleButton } = require("sdk/ui/button/toggle");

var toggle = ToggleButton({
    id: "my-button",
    label: "my button",
    icon: {
      "16": "./firefox-16.png",
      "32": "./firefox-32.png"
    }
  });

var { ActionButton } = require("sdk/ui/button/action");

var button = ActionButton({
    id: "my-button",
    label: "my button",
    icon: {
      "16": "./favicon.ico"
    },
    onClick: function() {
	  if (toggle.disabled) {
	    toggle.disabled = false;
      }
	  else {
      toggle.disabled = true;
	  }
	}
  });