Internet Access in Spain

We use a laptop and in the UK I use a Dongle from 3 Telecoms which is a pay as you go and can be topped up via the internet using a credit card. This is very useful for when we are travelling.

We are going to Spain for approx 3 months and I would like to use my laptop for internet access. I do not want to use the 3 Telecoms dongle as this would be very expensive so wondered if there was an equivalent service in Spain I could use.

• Can I buy a Spanish service provider dongle for internet access?
• Is there a pay as you go option?
• Can I top up the dongle on line using a credit card?
• Is there a specific company I can contact in advance of travelling?

Thanks for all your help