manifest.json

{
  "name": "Amazon Affiliate Link Generator",
  "version": "0.5",
  "manifest_version": 2,
  "description": "Generate an Amazon affiliate link with one click",
  "background": {
    "scripts": ["jq.min.js","bg.js"],
    "persistent": true
  },
  "icons": {
    "16": "images/icon_16.png",
    "48": "images/icon_48.png", 
    "128": "images/icon_128.png"
  },
  "permissions": [
    "tabs"
  ],
  "page_action": {
    "default_icon": "images/icon_19.png",
    "default_popup": "popup.html"
  },
  "content_scripts": [{
    "matches": ["http://*.amazon.com/*",
                "http://*.amazon.de/*",
                "http://*.amazon.it/*",
                "http://*.amazon.co.uk/*",
                "http://*.amazon.fr/*",
                "http://*.amazon.co.jp/*",
                "http://*.amazon.ca/*",
                "http://*.amazon.cn/*",
                "http://*.amazon.es/*"],

    "css": [],
    "js": ["cs.js"]
  }],
  "options_page": "options.html"
}