Translating Web Pages

Install the Google Toolbar in Internet Explorer

http://www.google.co.uk/intl/en/options/
or
http://www.google.es/intl/en/options/

It looks like this

Click on Settings (button on the far right of the toolbar)
Toolbar Options and tick in the box to enable The Translate Menu

Now, when browsing a Spanish Web Page click on the Down arrow to the right of "Translate" and select

Translate Page into English