http://www.framing4yourself.com/shop/products/gold-frames/frames-39/
on the far right you see:
Frame Calculator
Enter the width and height of the frame you want into the calculator and click the Calculate button to see the price in the box below.
it will calculate widht x height and something else , we have a excell file for that with all summs in.
other shops you can see the function is here:
http://zelfinlijsten.nl
http://hokaponline.nl
http://hokaplijsten.nl
www.lijstenmakerij.nl
http://www.framing4yourself.com/shop/products/gold-frames/frames-39/
http://www.americanframe.com/AmericanFrame/Framing.aspx
http://www.frames.uk.com/responders/mountquote.html
http://www.frames.uk.com/frameprice2/framequote.html
what our previous programmer made was this:
http://code-wire.com/passe-partout-op-maat-item-0.html
if you add item to the cart you see what i mean
but i want that integrated in the shop, not as separate script.