var item, icnt, left, right, dir, ptime;

  if (window.addEventListener) {
    window.addEventListener("load", StartAuto, false);
  } else if (window.attachEvent) {
    window.attachEvent("onload", StartAuto);
  } else if (document.getElementById) {
    window.onload=StartAuto;
  }

  function StartAuto () {
    item  = 1;
    icnt  = 9;
    dir   = "back";
    ptime = 6000;
    as = setTimeout('SlideAuto()',ptime);
  }

  function MoveSlider () {
    if (dir == "back") {
      if (item == icnt) { return false; }
      item++;
      left  = "nsi-" + (item - 1);
      right = "nsi-" + (item + 3);
      document.getElementById(left).style.display = "none";
      document.getElementById(right).style.display = "inline";
    } else {
      if (item == 1) { return false; }
      item--;
      left  = "nsi-" + item;
      right = "nsi-" + (item + 4);
      document.getElementById(right).style.display = "none";
      document.getElementById(left).style.display = "inline";
    }

  }

  function SlideAuto () {
    if (item == 1) { dir = "back"; } else if (item == icnt) { dir = "forward"; }
    MoveSlider();
    as = setTimeout('SlideAuto()',ptime);
  }

  function PauseAuto () {
    clearTimeout(as);
  }

  function ResumeAuto () {
    clearTimeout(as);
    as = setTimeout('SlideAuto()',ptime);
  }

  function ChangeDir (d) {
    dir = d;
    clearTimeout(as);
    MoveSlider();
    as = setTimeout('SlideAuto()',ptime);
  }