function init() {
  twinkle();
}

function twinkle() {
  twinkle1(1);
}

function twinkle1(n) {
  var prev=n-1;
  var next=n+1;
  var prevSpan=document.getElementById('hdg'+prev);
  var thisSpan=document.getElementById('hdg'+n);
  if (prevSpan) prevSpan.style.color='';
  if (!thisSpan) {
    setTimeout('twinkle()',2500);
	return;
  }
  thisSpan.style.color='#2F74B5';
  setTimeout('twinkle1('+next+')',80);
}