Developer Required to Create Function on My Website

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Hi there, I am setting up a furniture website and want to allow my customers to see the sofas in the fabric of their choice.  I need a functionality that can apply a fabric swatch to the sofa that the customer is considering.  for an example of how this functionality works please look at this site: http://www.sofa.com/shop/sofas/fleetwood-sofabeds?gclid=Cj0KEQjwopOeBRC1ndXgnuvx8JYBEiQAq4RPtzJEmw8gAJaP29GBiPEt3kgCSK-eDDvkc2fquCRkVKUaAqFp8P8HAQ&utm_source=google&utm_medium=CPC&utm_campaign=shopping#133-RSVBTC--0

I love their functionality and really would like to have it for my website - my website is www.nuastyle.com.

I look forward to hearing from you with ideas.

Thanks