Create a wordpress plugin

Create a wordpress plugin that does the following: 1. Set the header image for all pages and posts 2. Set buttons (must select button image) on location desired on header 3. Set link for button. 4. Set search box on desired position on header. 5. Set language text on desired position on header 6. Set language links. You can see website on [login to view URL] The theme is the following: [login to view URL]