Create URL from different variables

Hello
If anyone could help me with this I would be eternally in their debt. My code is very basic

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The URL in question here is
http://www.thedogs.co.uk/resultsMeet...&track=Swindon

This is made up of 4 parts
1. http://www.thedogs.co.uk/resultsMeeting.aspx?racedate= (constant)
2. A date in the format dd/mm/yyyy (in this case 11/11/2011) (variable)
3. %2000:00:00&track= (constant)
4. The name of a race track (in this case Swindon) (variable)

What I would like to happen is that when I run the macro an input box appears asking for the date and the race track name. It then takes these 2 variables and builds the complete URL as per the format above and then loads the data from the page onto the new sheet.

Any ideas?

Fantastic, thank you