Hold Info on Form when leaving/returning to page

I've built a form that aggregates & totals items added to it. I need to set a 'Continue Shopping' option into it, but any previously entered data is deleted when the page reloads as the user returns. I could set it up as a separate, static page in the browser, but would rather not. I'm assuming this would be a cookie of some sort, but not sure as to  best method.
If anyone has advice, maybe a sample or resource I could check out, it would be immensely appreciated.

Many thanks.

Cayce
dcayceAsked:
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Michel PlungjanConnect With a Mentor IT ExpertCommented:
Cookies or session variables
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