Alternate Navigation Buttons

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Alternate Navigation Buttons",
  "description": "This extension places a back and forward and goto top button on the page near the bottom of the window",
  "version": "1.1",
  "web_accessible_resources": [
    "back.png",
    "forward.png",
    "top.png"
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "jquery.js",
        "myscript.js"
      ],
      "run_at": "document_start"
    }
  ]
}