function isdefined(variable)
  {
    return (typeof (window[variable]) == "undefined") ? false : true;
  }

  var timeoutDelay = 100;
  var nb = " "; // non-breaking space

  function buildPager(grid, pagerSpan, First, Last)
  {
    var pager = "";
    var mid = Math.floor(pagerSpan / 2);
    var startPage = grid.PageCount <= pagerSpan ? 0 : Math.max(0, grid.CurrentPageIndex - mid);
    // adjust range for last few pages
    if (grid.PageCount > pagerSpan)
    {
      startPage = grid.CurrentPageIndex < (grid.PageCount - mid) ? startPage : grid.PageCount - pagerSpan;
    }

    var endPage = grid.PageCount <= pagerSpan ? grid.PageCount : Math.min(startPage + pagerSpan, grid.PageCount);

    if (grid.PageCount > pagerSpan && grid.CurrentPageIndex > mid)
    {
      pager += "<a href=\"#\" onclick=\"" + grid.Id + ".Page(0);return false;\">...</a>" + nb + "-" + nb;
      pager += "<a href=\"#\" onclick=\"" + grid.Id + ".PreviousPage();return false;\">...</a>" + nb;
    }

    for (var page = startPage; page < endPage; page++)
    {
      var showPage = page + 1;
      if (page == grid.CurrentPageIndex)
      {
        pager += showPage + nb;
      }
      else 
      {
        pager += "<a href=\"#\" onclick=\"" + grid.Id + ".Page(" + page + ");return false;\">" + showPage + "</a>" + nb;
      }
    }

    if (grid.PageCount > pagerSpan && grid.CurrentPageIndex < grid.PageCount - mid)
    {
      pager += "<a href=\"#\" onclick=\"" + grid.Id + ".NextPage();return false;\">...</a>" + nb + "-" + nb;
      pager += "<a href=\"#\" onclick=\"" + grid.Id + ".Page(" + (grid.PageCount - 1) + ");return false;\">...</a>" + nb;
    }

    return pager;
  }

  function buildPageXofY(grid, Page, of, items)
  {
    // Note: You can trap an empty Grid here to change the default "Page 1 of 0 (0 items)" text
    var pageXofY = Page + nb + "<b>" + (grid.CurrentPageIndex + 1) + "</b>" + nb + of + nb + "<b>" + (grid.PageCount) + "</b>" + nb + "(" + grid.RecordCount + nb + items + ")";

    return pageXofY;
  }

  function showCustomFooter(gridObject)
  {
    var gridId = gridObject.Id;
    if (isdefined(gridId))
    {
      var grid = gridObject;
      var Page = "Page";
      var of = "sur";
      var items = "éléments";

      var pagerSpan = 50; // should be at least 2
      var First = "<";
      var Last = ">";

      var footer = buildPager(grid, pagerSpan, First, Last);
      document.getElementById("tdPagerFooter").innerHTML = "<div style='white-space:nowrap;display:inline;' class=\"sstitre\">" + footer + "</div>";
    }
    else 
    {
      setTimeout("showCustomFooter();", timeoutDelay);
    }
  }

    function Grid_Load(sender, args)
    {
        showCustomFooter(sender);
    }

    function Grid_PageIndexChange(sender, args)
    {
        setTimeout(function() { showCustomFooter(sender); }, timeoutDelay);
        return true;
    }