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Working on this art gallery competition project for Internet Week where one of the request was:
"Rather then have pagination links, can we have it so that when the user scrolls to the bottom of the browser, new content is loaded in?"

I had seen websites like this before and always thought it was a really cool feature on a website, esp for a gallery type website.

Searching the net, found this link that gave me a good base to start with. I kind of followed his steps but made a few tweaks to the way the pagination worked.

Below is the code that I used which would send through the page number everytime condition as met which then using PHP displayed the relevent results.

    var pageLoaded = 1; //this basically says that we are on page 1 of the results
  $(window).scroll(function()
   {
   
    if($(window).scrollTop() == $(document).height() - $(window).height())
    {
     pageLoaded = pageLoaded+1; //when this condition has met, increase the pageLoaded so that I can tell php told load in data for page 2/3/4/5, etc, etc
     $.post("gallery_ajax_load.php?page="+pageLoaded,
        function(data)
       {
            if (data != "")
          {
             $('#submissions').append(data);
            }
         }
     );
     //alert(pageLoaded);
    }
   }
  );