<script>
  var message = "Пример вашего текста";
  var neonbasecolor = "black";
  var neontextcolor = "green";
  var flashspeed = 100;
  var n = 0;

  if (document.all)
  {
    document.write('<font color="' + neonbasecolor + '">');
    for (m = 0; m < message.length; m++)
      document.write('<span id="neonlight">' + message.charAt(m) + '</span>');
    document.write('</font>');
    var tempref = document.all.neonlight;
  }
  else document.write(message);

  function neon()
  {
    if (n == 0)
    {
      for (m = 0; m < message.length; m++)
        tempref[m].style.color=neonbasecolor;
    }

    tempref[n].style.color = neontextcolor;

    if (n < tempref.length - 1) n++;
    else
    {
      n = 0;
      clearInterval(flashing);
      setTimeout("beginneon()",1500);
      return;
    }
  }

  function beginneon()
  {
    if (document.all)
      flashing = setInterval("neon()", flashspeed);
  }
  beginneon();
</script>

<span id="glowtext">Здесь должен быть ваш текст</span>
<style><!--
  #glowtext
  {
    filter: glow(color=#FFFF00,strength=3);
    width: 100%;
  }
--></style>
<script language="JavaScript1.2">
  function glowit(which)
  {
    if (document.all.glowtext[which].filters[0].strength == 3)
    {
      document.all.glowtext[which].filters[0].strength = 2;
    }
    else document.all.glowtext[which].filters[0].strength = 3;
  }

  function glowit2(which)
  {
    if (document.all.glowtext.filters[0].strength == 3)
    {
      document.all.glowtext.filters[0].strength = 2;
    }
    else document.all.glowtext.filters[0].strength = 3;
  }

  function startglowing()
  {
    if (document.all.glowtext&&glowtext.length)
    {
      for (i = 0; i < glowtext.length;i++)
        eval('setInterval("glowit('+i+')",150)');
    }
    else if (glowtext) setInterval("glowit2(0)", 150);
  }
  if (document.all) window.onload = startglowing;
</script>

<script language="JavaScript"><!--
  function createHexArray(n)
  {
    this.length = n;
    for (var i = 1; i <= n; i++)
      this[i] = i - 1;
    this[11] = "A"; this[12] = "B";
    this[13] = "C"; this[14] = "D";
    this[15] = "E"; this[16] = "F";
    return this;
  }
  hx = new createHexArray(16);

  function convertToHex(x)
  {
    if (x < 17) x = 16;
    var high = x / 16;
    var s = high+"";
    s = s.substring(0, 2);
    high = parseInt(s, 10);
    var left = hx[high + 1];
    var low = x - high * 16;
    if (low < 1) low = 1;
    s = low + "";
    s = s.substring(0, 2);
    low = parseInt(s, 10);
    var right = hx[low + 1];
    var string = left + "" + right;
    return string;
  }

  function makeRainbow(text)
  {
    text = text.substring(0, text.length);
    color_d1 = 255;
    mul = color_d1 / text.length;
    for(var i = 0; i < text.length; i++) {
      color_d1 = 255*Math.sin(i / (text.length / 3));
      color_h1 = convertToHex(color_d1);
      color_d2 = mul * i;
      color_h2 = convertToHex(color_d2);
      k = text.length;
      j = k - i;
      if (j < 0) j = 0;
      color_d3 = mul * j;
      color_h3 = convertToHex(color_d3);
      document.write("<FONT COLOR=\"#" + color_h3 + color_h1 + color_h2 + "\">" + text.substring(i, i + 1) + "</FONT>");
    }
  }
  makeRainbow("Здесь должен быть ваш текст");
--></script>