var m_iInterval;
var m_Height;
//window.onload = wl;
var iScroll=0;

var arrCursor = 0;

var arrMax;
//window.onload=wl;

function sleep(milliseconds) {
  var start = new Date().getTime();
  for (var i = 0; i < 1e7; i++) {
    if ((new Date().getTime() - start) > milliseconds){
      break;
    }
  }
}


function wl(time) {
	
	
  m_iInterval = setInterval(ontimer, 10);
  
  var base = document.getElementById("jump_base");
	
  m_Height = base.offsetHeight;
  var divi = parseInt(m_Height/5);

  m_Height = divi*5;

}

function ontimer() {

	if(iScroll==0) {
		pause2();
		m_iInterval = setTimeout(resume, 2000);
	}
	
  var base = document.getElementById("jump_base");
  iScroll+=0.5;

  if (iScroll>(m_Height*2)) {
    iScroll=0;
  }
  if (iScroll==m_Height) {
    pause();
    m_iInterval = setTimeout(resume, 4);
  }

  base.scrollTop=iScroll;
}

function pause2() {
	 clearInterval(m_iInterval);	 
}

function pause() {
  clearInterval(m_iInterval);
}
function resume() {
  m_iInterval = setInterval(ontimer, 40);
}