penso di si questo è il codice:

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function MM_reloadPage(init) { //reloads the window if Nav4 resized
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);


var slideshow_width=95 //SET IMAGE WIDTH
var slideshow_height=40 //SET IMAGE HEIGHT
var pause=3000 //SET PAUSE BETWEEN SLIDE (3000=3 seconds)

var fadeimages=new Array()
///
fadeimages[0]="immagine1.jpg"
fadeimages[1]="immagine1.jpg"
fadeimages[2]="immagine1.jpg"
fadeimages[3]="immagine1.jpg"
fadeimages[4]="immagine1.jpg"
fadeimages[5]="immagine1.jpg"
fadeimages[6]="immagine1.jpg"

///

var preloadedimages=new Array()
for (p=0;p<fadeimages.length;p++){
preloadedimages[p]=new Image()
preloadedimages[p].src=fadeimages[p]
}

var ie4=document.all&&navigator.userAgent.indexOf("Ope ra")==-1
var dom=document.getElementById&&navigator.userAgent.i ndexOf("Opera")==-1
var curpos=10
var degree=10
var curcanvas="canvas0"
var curimageindex=0
var nextimageindex=1

if (ie4||dom)
document.write('<div style="position:relative;width:'+slideshow_width+' ;height:'+slideshow_height+';overflow:hidden"><div id="canvas0" style="position:absolute;width:'+slideshow_width+' ;height:'+slideshow_height+';top:0;right:0;filter: alpha(opacity=10);-moz-opacity:10"></div><div id="canvas1" style="position:absolute;width:'+slideshow_width+' ;height:'+slideshow_height+';top:0;right:0;filter: alpha(opacity=10);-moz-opacity:10"></div></div>')
else
document.write('[img]'+fadeimages[0]+'[/img]')


function fadepic(){
if (curpos<100){
curpos+=3
if (tempobj.filters)
tempobj.filters.alpha.opacity=curpos
else if (tempobj.style.MozOpacity)
tempobj.style.MozOpacity=curpos/100
}
else{
clearInterval(dropslide)
nextcanvas=(curcanvas=="canvas0")? "canvas0" : "canvas1"
tempobj=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas)
tempobj.innerHTML='[img]'+fadeimages[nextimageindex]+'[/img]'
nextimageindex=(nextimageindex<fadeimages.length-1)? nextimageindex+1 : 0
setTimeout("rotateimage()",pause)
}
}

function rotateimage(){
if (ie4||dom){
resetit(curcanvas)
var crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
crossobj.style.zIndex++
var temp='setInterval("fadepic()",50)'
dropslide=eval(temp)
curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0"
}
else
document.images.defaultslide.src=fadeimages[curimageindex]
curimageindex=(curimageindex<fadeimages.length-1)? curimageindex+1 : 0
}

function resetit(what){
curpos=10
var crossobj=ie4? eval("document.all."+what) : document.getElementById(what)
if (crossobj.filters)
crossobj.filters.alpha.opacity=curpos
else if (crossobj.style.MozOpacity)
crossobj.style.MozOpacity=curpos/100
}

function startit(){
var crossobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
crossobj.innerHTML='[img]'+fadeimages[curimageindex]+'[/img]'
rotateimage()
}

if (ie4||dom)
window.onload=startit
else
setInterval("rotateimage()",pause)

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grazie

emanuela