Javascript Wix Page Number

Hi I created a dynamic category page to list all my items, now I'm making use of a repeater and want to list only 12 items per page. The site can be accessed here: [login to view URL] I want it in a way that when I press 'Next Page' the next page loads at the top of the page. I linked it in a way to the dataset to load 'Next Item' and normal link to return to the 'Top of the page'. Need it to be done like this: [login to view URL]