Para poner el texto debes poner esto:

<span id="theText" style="width:100%">
<h3 align="center"><font color="#3a6ca3"><font size="+5">aquí el texto que quieras</font>
 </font><font color="#666666">
 <!-- Mas scripts en http://www.creatupropiaweb.com -->
 <script>              //     ^-the text that will be displayed
<!--
//can be edited from here
var from = 5;                       //the animation start value
var to = 11;                        //the animation end value
var delay = 55;                     //the animation speed
var glowColor = "red";              //the first color
var glowColor2 = "orange";          //the second color
var glowColor3 = "yellow";          //the third color
var glowColor4 = "lime";            //4th color
var glowColor5 = "blue";            //5th color
var glowColor6 = "magenta";         //last color
//no more editing
var i = to;
var j = 0;
textPulseDown();
function textPulseUp()
{
if (!document.all)
return
if (i < to)
{
theText.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)
{
theText.style.filter = "Glow(Color=" + glowColor2 + ", Strength=" + i + ")";
i--;
theTimeout = setTimeout('textPulseDown()',delay);
return 0;
}
if (i = from)
{
theTimeout = setTimeout('textPulseUp2()',delay);
return 0;
}
}
//Copyright (c) 2001 Coyotee Labs Romania (www.coyoteelabs.go.ro)
//This script can be used freely as long as all copyright messages are
//intact. Visit WWW.COYOTEELABS.GO.RO for more scripts
function textPulseUp2()
{
if (!document.all)
return
if (i < to)
{
theText.style.filter = "Glow(Color=" + glowColor3 + ", Strength=" + i + ")";
i++;
theTimeout = setTimeout('textPulseUp2()',delay);
return 0;
}
if (i = to)
{
theTimeout = setTimeout('textPulseDown2()',delay);
return 0;
}
}
function textPulseDown2()
{
if (!document.all)
return
if (i > from)
{
theText.style.filter = "Glow(Color=" + glowColor4 + ", Strength=" + i + ")";
i--;
theTimeout = setTimeout('textPulseDown2()',delay);
return 0;
}
if (i = from)
{
theTimeout = setTimeout('textPulseUp3()',delay);
return 0;
}
}
function textPulseUp3()
{
if (!document.all)
return
if (i < to)
{
theText.style.filter = "Glow(Color=" + glowColor5 + ", Strength=" + i + ")";
i++;
theTimeout = setTimeout('textPulseUp3()',delay);
return 0;
}
if (i = to)
{
theTimeout = setTimeout('textPulseDown3()',delay);
return 0;
}
}
function textPulseDown3()
{
if (!document.all)
return
if (i > from)
{
theText.style.filter = "Glow(Color=" + glowColor6 + ", Strength=" + i + ")";
i--;
theTimeout = setTimeout('textPulseDown3()',delay);
return 0;
}
if (i = from)
{
theTimeout = setTimeout('textPulseUp()',delay);
return 0;
}
}
//-->
</script></font></h3></span>


Luego el texto quedara asi:

quedara asi