E' javascript...
codice:
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
//slider's width
var swidth=138
//slider's height
var sheight=120
//slider's speed
var sspeed=2
//messages: change to your own; use as many as you'd like; set up Hyperlinks to URLs as you normally do: ..message..
var singletext=new Array()
singletext[0]='<div align="left">[img]img/fr_verde.gif[/img]<font face=Verdana size=2 color="black">16-9-2005
Lavori a Spezzano
</font>'
singletext[1]='<div align="left">[img]img/fr_verde.gif[/img]<font face=Verdana size=2 color="black">2-9-2005
Attenzione agli “addetti del gas”
</font>'
singletext[2]='<div align="left">[img]img/fr_verde.gif[/img]<font face=Verdana size=2 color="black">26-8-2005
Alcune indicazioni sulle isole ecologiche
</font>'
singletext[3]='<div align="left">[img]img/fr_verde.gif[/img]<font face=Verdana size=2 color="black">4-8-2005
Attenzione agli “addetti del gas”
</font>'
singletext[4]='<div align="left">[img]img/fr_verde.gif[/img]<font face=Verdana size=2 color="black">28-7-2005
Chiusura estiva dello sportello commerciale
</font>'
singletext[5]='<div align="left">[img]img/fr_verde.gif[/img]<font face=Verdana size=2 color="black">15-7-2005
La disinfestazione di cimici e zanzare
</font>'
singletext[6]='<div align="left">[img]img/fr_verde.gif[/img]<font face=Verdana size=2 color="black">1-7-2005
Il conferimento dell’amianto
</font>'
singletext[7]='<div align="left">[img]img/fr_verde.gif[/img]<font face=Verdana size=2 color="black">29-6-2005
Il bilancio 2004 di Sat SpA
</font>'
if (singletext.length>1)
i=1
else
i=0
function start(){
if (document.all){
ieslider1.style.top=sheight
iemarquee(ieslider1)
}
else if (document.layers){
document.ns4slider.document.ns4slider1.top=sheight
document.ns4slider.document.ns4slider1.visibility='show'
ns4marquee(document.ns4slider.document.ns4slider1)
}
else if (document.getElementById&&!document.all){
document.getElementById('ns6slider1').style.top=sheight
ns6marquee(document.getElementById('ns6slider1'))
}
}
function iemarquee(whichdiv){
iediv=eval(whichdiv)
if (iediv.style.pixelTop>0&&iediv.style.pixelTop<=sspeed){
iediv.style.pixelTop=0
setTimeout("iemarquee(iediv)",100)
}
if (iediv.style.pixelTop>=sheight*-1){
iediv.style.pixelTop-=sspeed
setTimeout("iemarquee(iediv)",100)
}
else{
iediv.style.pixelTop=sheight
iediv.innerHTML=singletext[i]
if (i==singletext.length-1)
i=0
else
i++
}
}
function ns4marquee(whichlayer){
ns4layer=eval(whichlayer)
if (ns4layer.top>0&&ns4layer.top<=sspeed){
ns4layer.top=0
setTimeout("ns4marquee(ns4layer)",100)
}
if (ns4layer.top>=sheight*-1){
ns4layer.top-=sspeed
setTimeout("ns4marquee(ns4layer)",100)
}
else{
ns4layer.top=sheight
ns4layer.document.write(singletext[i])
ns4layer.document.close()
if (i==singletext.length-1)
i=0
else
i++
}
}
function ns6marquee(whichdiv){
ns6div=eval(whichdiv)
if (parseInt(ns6div.style.top)>0&&parseInt(ns6div.style.top)<=sspeed){
ns6div.style.top=0
setTimeout("ns6marquee(ns6div)",100)
}
if (parseInt(ns6div.style.top)>=sheight*-1){
ns6div.style.top=parseInt(ns6div.style.top)-sspeed
setTimeout("ns6marquee(ns6div)",100)
}
else{
ns6div.style.top=sheight
ns6div.innerHTML=singletext[i]
if (i==singletext.length-1)
i=0
else
i++
}
}
// End -->
</script>
Devi cambiare i valori dell'array singletext[0], singletext[1] etc.. per inserire le news..
Nel body devi "caricarlo"
codice:
<body onload="Start();">
poi nel punto della pagina che preferisci inserisci questo
codice:
<ilayer id="ns4slider" width="&{swidth};" height="&{sheight};">
<layer id="ns4slider1" height="&{sheight};" onmouseover="sspeed=0;" onmouseout="sspeed=2">
<script language="JavaScript">
if (document.layers)
document.write(singletext[0])
</script>
</layer></ilayer>
<script language="JavaScript">
if (document.all){
document.writeln('<div style="position:relative;overflow:hidden;width:'+swidth+';height:'+sheight+';clip:rect(0 '+swidth+' '+sheight+' 0);border:0 solid white;" onmouseover="sspeed=0;" onmouseout="sspeed=2">')
document.writeln('<div id="ieslider1" style="position:relative;width:'+swidth+';">')
document.write(singletext[0])
document.writeln('</div></div>')
}
if(document.getElementById&&!document.all){
document.writeln('<div style="position:relative;overflow:hidden;width:'+swidth+';height:'+sheight+';clip:rect(0 '+swidth+' '+sheight+' 0);border:0px solid white;" onmouseover="sspeed=0;" onmouseout="sspeed=2">')
document.writeln('<div id="ns6slider1" style="position:relative;width:'+swidth+';">')
document.write(singletext[0])
document.writeln('</div></div>')
}
</script>
Non preoccuparti del fatto che il codice lo prendi da sto sito. Perchè pure quest'ultimo lo ha preso da altre parti. 
Ciao