You may be experiencing difficulty because your browser has javascript disabled. This technology is used to give you the best experience by allowing you to enter your details through a postcode lookup service.
To enable this on your browser please follow the guidance below:
Internet Explorer 6.0+
1. Click the Tools menu.
2. Select Internet Options.
3. Click the Security tab.
4. Click the Custom Level button.
5. Scroll down until you see the 'Scripting' section. Select the 'Enable' radio button for 'Active Scripting.'
6. Click the OK button.
7. If you see a confirmation window, click the Yes button.
Firefox 3.6+
1. Click the Tools menu.
2. Select Options.
3. Click the Content tab.
4. Select the 'Enable JavaScript' checkbox.
5. Click the OK button.
Safari 2 or 3
1. Click the Safari menu.
2. Select Preferences.
3. Click the Security tab.
4. Select the 'Enable JavaScript' checkbox.
When you have enabled this - refresh the page and proceed as directed