text zoom effects javascript

codigo javascript que como su nombre lo indica muestra una pequeña animación ( efecto muy parecido al zoom ) con un determinado mensaje emergente.

Código Javascript


<html>
<head>
<title>text zoom effects javascript</title>
</head>
<BODY>
<script type="text/javascript">
<!-- Original:  Charles Foster (wcms_sf@msn.com) -->
<!-- Web Site:  http://kylo.ml.org/flash -->
<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->
<!-- Begin
var speed = 100;
var cycledelay = 2000;
var maxsize = 28;
var x = 0;
var y = 0;
var themessage, size;
var esize = "</font>";
function initArray() {
this.length = initArray.arguments.length;
for (var i = 0; i < this.length; i++) {
this[i] = initArray.arguments[i];
   }
}
var themessage2 = new initArray(
"Bienvenidos",
"a este sitio!",
"lo saluda Gabriel",
"el creador del sitio!!"
);
if(navigator.appName == "Netscape")
document.write('<layer id="wds"></layer><br>');
if (navigator.appVersion.indexOf("MSIE") != -1)
document.write('<span id="wds"></span><br>');
function upwords(){ 
themessage = themessage2[y];
if (x < maxsize) {
x++;
setTimeout("upwords()",speed);
}
else setTimeout("downwords()",cycledelay);
if(navigator.appName == "Netscape") {
size = "<font point-size='"+x+"pt'>"; 
document.wds.document.write(size+"<center>"+themessage+"</center>"+esize);
document.wds.document.close();
}
if (navigator.appVersion.indexOf("MSIE") != -1){
wds.innerHTML = "<center>"+themessage+"</center>";
wds.style.fontSize=x+'px'
   }
} 
function downwords(){
if (x > 1) {
x--;
setTimeout("downwords()",speed);
}
else {
setTimeout("upwords()",cycledelay);
y++;
if (y > themessage2.length - 1) y = 0;
}
if(navigator.appName == "Netscape") {
size = "<font point-size='"+x+"pt'>"; 
document.wds.document.write(size+"<center>"+themessage+"</center>"+esize);
document.wds.document.close();
}
if (navigator.appVersion.indexOf("MSIE") != -1){
wds.innerHTML = "<center>"+themessage+"</center>";
wds.style.fontSize=x+'px'
   }
}
setTimeout("upwords()",speed);
//  End -->
</script>
<!-- Script Size:  2.09 KB -->
</body>
</html>

Ver ejemplo Javascript en funcionamiento