[jQuery] Not sure what this is called...

Hi, I am new to JQuery and am not sure how to refer to what it is that I am trying to do. I am working on a couple of sites and I want to be able to set a number of items showing per page and then hit a next button to load that quantity again within the same area. Like a carousel and like pagina

[jQuery] What am I looking for?

Hi, I am new to JQuery and Ajax so I am not sure which direction to go to find what I am looking for. A plugin or tutorial would be great. I want to be able to load 25 items (thumbs) at a time and hit a button (Next) to load another 25 in the same div on demand. Also, what are the limitations