How to make this zoom effect?

JavaScript
1

Good day,

I am developing a website and I’d like to know how to implement this zoom effect every time the cursor is located over a picture:
http://www.thecraftshoponline.com/productcart/pc/showSearchResults.asp?VA=1&ProdSort=&PageStyle=h&customfield=0&SearchValues=&exact=1&keyword=erasers&priceFrom=0&priceUntil=9999999&idCategory=0&IdSupplier=0&withStock=&IDBrand=0&order=3&SKU=

Thanks a lot!!!

2

You mean something like this? http://jqueryui.com/tooltip/#tracking