scusa amico...come avrai capito di javascript ne capisco poco!
Ti ringrazio intanto perchè sei l'unico che in una settimana mi da una risposta!
Ma fammi ben capire che cazzus devo fare...
il tuo script mi da errore!
Ho cercato sul web...ma trovo solo menu in dhtml o che non fanno al mio caso!

Prova a copiarti il codice della mia pagina...visualizzalo con il browser...prova a scorrere il layer che ti faccio vedere sulla gif in allegato e così capirai il problema (c'è un effetto refresh fastidioso)!

Se ti sembra una cosa noiosa o non c'hai voglia, fanne pure a meno...ti ringrazio comunque!!


<html>
<head>
<title>NATO</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<SCRIPT language=JavaScript>
<!--
function nuova(url,nome,largo,alto,ridim,xpos,ypos) {
var format_string;
format_string="width="+largo+",height="+alto+",scr ollbars=yes,resizable="+(ridim=='yes' ? "yes" : "no")+",status=yes,location=no,screenX="+xpos+",sc reenY="+ypos+",left="+xpos+",top="+ypos+",toolbar= no";searchWin =window.open(url,nome,format_string);
}

function MM_swapImgRestore() { //v3.0
var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImage() { //v3.0
var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->
</SCRIPT>

<STYLE type=text/css>#num01 {
LEFT: 10px; VISIBILITY: hidden; POSITION: absolute; TOP: 10px
}
</STYLE>

<STYLE type=text/css>#num02 {
LEFT: 20px; VISIBILITY: hidden; POSITION: absolute; TOP: 20px
}
</STYLE>

<STYLE type=text/css>#num03 {
LEFT: 30px; VISIBILITY: hidden; POSITION: absolute; TOP: 30px
}
</STYLE>

<STYLE type=text/css>#num04 {
LEFT: 40px; VISIBILITY: hidden; POSITION: absolute; TOP: 40px
}
</STYLE>

<SCRIPT LANGUAGE="Javascript" TYPE="text/javascript">
if(document.all)
{
ns6=0; ns=0; ie=1;
prelayer='document.all.';
showlayer='.style.visibility="visible"';
hidelayer='.style.visibility="hidden"';
}


if(document.layers)
{
ns6=0; ns=1; ie=0;
prelayer='document.layers.';
showlayer='.visibility="show"';
hidelayer='.visibility="hide"';
}


if(document.getElementById && navigator.appName=="Netscape")
{
ns6=1; ns=0; ie=0;
prelayer = 'document.getElementById("';
showlayer = '").style.visibility= "visible"';
hidelayer = '").style.visibility= "hidden"';
}


function layerdisplay(lname,ftis)
{
if (!ftis)
{
eval(prelayer+lname+hidelayer); }
else
{
eval(prelayer+lname+showlayer); }
}
</SCRIPT>








<script language="JavaScript">
<!--
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);

function MM_findObj(n, d) { //v4.0
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_nbGroup(event, grpName) { //v6.0
var i,img,nbArr,args=MM_nbGroup.arguments;
if (event == "init" && args.length > 2) {
if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
nbArr[nbArr.length] = img;
for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
if (!img.MM_up) img.MM_up = img.src;
img.src = img.MM_dn = args[i+1];
nbArr[nbArr.length] = img;
} }
} else if (event == "over") {
document.MM_nbOver = nbArr = new Array();
for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
if (!img.MM_up) img.MM_up = img.src;
img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
nbArr[nbArr.length] = img;
}
} else if (event == "out" ) {
for (i=0; i < document.MM_nbOver.length; i++) {
img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
} else if (event == "down") {
nbArr = document[grpName];
if (nbArr)
for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
document[grpName] = nbArr = new Array();
for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
if (!img.MM_up) img.MM_up = img.src;
img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
nbArr[nbArr.length] = img;
} }
}
//-->
</script>
</head>

<body bgcolor="#FFFFFF" text="#000000" topmargin="0" leftmargin="0" bottommargin="0" rightmargin="0" marginwidth="0" marginheight="0" onLoad="MM_preloadImages('img/puls.gif','img/puls_multimedia.gif','img/puls2.gif')">

<table width="760" border="0" cellspacing="0" cellpadding="0">
<tr>
<td>[img]img/intestazione.jpg[/img]</td>
</tr>
</table>
<table width="760" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="125" bgcolor="00315A">[img]img/puls_about_cior.gif[/img]
<div id=num01 onmouseover="javascript:layerdisplay('num01',true) "" style="position:absolute; width:127px; height:115px; z-index:1; left: 0; top: 75; background-color: #0066FF; layer-background-color: #0066FF; border: 1px none #000000" onmouseout="javascript:layerdisplay('num01',false) "></div>
</td>
<td bgcolor="#000000">[img]img/0.gif[/img]</td>
<td width="125" bgcolor="00315A">[img]img/puls_activities.gif[/img]
<div id=num02 onMouseOver="javascript:layerdisplay('num02',true) " style="position:absolute; width:127px; z-index:1; left: 127; top: 75; background-color: #00315A; layer-background-color: 00315A; border: 1px none #000000; visibility: visible" onMouseOut="javascript:layerdisplay('num02',false) ">
<table width="127" border="0" cellspacing="0" cellpadding="0">
<tr>
<td>[img]img/puls.gif[/img]</td>
</tr>
<tr>
<td bgcolor="#000000">[img]img/0.gif[/img]</td>
</tr>
<tr>
<td bgcolor="#0099FF">[img]img/0.gif[/img]</td>
</tr>
<tr>
<td bgcolor="#000000">[img]img/0.gif[/img]</td>
</tr>
<tr>
<td onMouseOut="MM_swapImgRestore()" onMouseOver="MM_swapImage('Image1','','img/puls.gif',1)">[img]img/puls1.gif[/img]</td>
</tr>
<tr>
<td bgcolor="#000000">[img]img/0.gif[/img]</td>
</tr>
<tr>
<td>[img]img/partership.gif[/img]
<div id="num03" style="position:absolute; left:117px; top:58px; width:127px; z-index:2; visibility: visible"
onMouseOver="javascript:layerdisplay('num03',true) ;MM_swapImage('Image21','','img/puls.gif',1)"
onMouseOut="javascript:layerdisplay('num03',false) ;MM_swapImgRestore()">
<table width="127" border="0" cellspacing="0" cellpadding="0">
<tr><td>[img]img/puls.gif[/img]</td></tr>
<tr><td bgcolor="#000000">[img]img/0.gif[/img]</td></tr>
<tr><td bgcolor="#0099FF">[img]img/0.gif[/img]</td></tr>
<tr><td bgcolor="#000000">[img]img/0.gif[/img]</td></tr>
<tr><td>[img]img/puls1.gif[/img]</td></tr>
<tr><td bgcolor="#000000">[img]img/0.gif[/img]</td></tr>
<tr><td>[img]img/partership.gif[/img]</td></tr>
<tr><td bgcolor="#000000">[img]img/0.gif[/img]</td></tr>
<tr><td>[img]img/puls2.gif[/img]</td></tr>
<tr><td bgcolor="#000000">[img]img/0.gif[/img]</td></tr>
<tr><td>[img]img/puls3.gif[/img]</td></tr>
</table>
</div>
</td>
</tr>
<tr>
<td bgcolor="#000000">[img]img/0.gif[/img]</td>
</tr>
<tr>
<td>[img]img/puls2.gif[/img]</td>
</tr>
<tr>
<td bgcolor="#000000">[img]img/0.gif[/img]</td>
</tr>
<tr>
<td>[img]img/puls3.gif[/img]</td>
</tr>
</table>
</div>
</td>
<td bgcolor="#000000">[img]img/0.gif[/img]</td>
<td width="125" bgcolor="00315A">[img]img/puls_news.gif[/img]</td>
<td bgcolor="#000000">[img]img/0.gif[/img]</td>
<td width="125" bgcolor="00315A">[img]img/puls_issues.gif[/img]</td>
<td bgcolor="#000000">[img]img/0.gif[/img]</td>
<td width="125" bgcolor="00315A">[img]img/puls_members.gif[/img]</td>
<td bgcolor="#000000">[img]img/0.gif[/img]</td>
<td width="125" bgcolor="00315A">[img]img/puls_multimedia.gif[/img]</td>
</tr>
</table>



</body>
</html>