de4th

<div id="next">Next</div>
<input type="hidden" id="currentPage" value="1">

$("#next").click(function(){

  Display_Load();
  var cur = $("#currentPage").val();
  var pageNum = Number(cur) + 1;
  $("#currentPage").val(pageNum);
  $("#content").load("pagination_data.php?page=" + pageNum, Hide_Load());

});