[Código Javascript] Texto Cartel Luminoso

<span id="TexteBat" style="width:100%">
<h1><font color="#ffffff">  Aprende a<br>Crear tu web</font></h1>
</span>
</center>
<script>
<!-- Mas scripts en http://www.creatupropiaweb.com -->
<!--
var from = 2;
var to = 12;
var delay = 55;
var glowColor = "#0000ff";
var i = to;
var j = 0;

textPulseDown();

function textPulseUp()
  {
  if (!document.all)
      return
  if (i < to)
      {
      TexteBat.style.filter = "Glow(Color=" + glowColor + ", Strength=" + i + ")";
      i++;
      theTimeout = setTimeout('textPulseUp()',delay);
      return 0;
      }

  if (i = to)
      {
      theTimeout = setTimeout('textPulseDown()',delay);
      return 0;
      }
  }

function textPulseDown()
  {
  if (!document.all)
      return
  if (i > from)
      {
      TexteBat.style.filter = "Glow(Color=" + glowColor + ", Strength=" + i + ")";
      i--;
      theTimeout = setTimeout('textPulseDown()',delay);
      return 0;
      }
  if (i = from)
      {
      theTimeout = setTimeout('textPulseUp()',delay);
      return 0;
      }
  }
//-->
</script>