ciao beccati queste modifiche
codice:
<html> 

<head> 
<script language="javascript"> 

var i_bis=0;
var m_bis=50; 
var intv_esp_bis; 
var quale_bis; 
var num=""; 
var direz_bis=false; 

var txt=new Array();
//Gestione Array
txt[0]= "<a href\=\"music\/anima.html\" target\=\"_top\"\>animati\<br\>\<a href\=\"music\/statici.html\" target\=\"_top\"\>statici\<\/a\>\<br\>";  
txt[1]= "<a href\=\"music\/anima.html\" target\=\"_top\"\>no animati\<br\>\<a href\=\"music\/statici.html\" target\=\"_top\"\>ipstatici\<\/a\>\<br\>";  
txt[2]= "<a href\=\"music\/anima.html\" target\=\"_top\"\>bo animati\<br\>\<a href\=\"music\/statici.html\" target\=\"_top\"\>cstatici\<\/a\>\<br\>";  


function dec(x,y){
quale_bis=x;
num=y;
i_bis=0;
intv_esp_bis=setInterval('espandi_bis()',1);
}
 
function espandi_bis(){
	//Gestione Espansione 
	if(direz_bis==false){ 
		if(i_bis<101){ 
			quale_bis.style.width=i_bis; 
			i_bis+=5; 
		} 
		if(i_bis>50){ 
			clearInterval(intv_esp_bis); 
			direz_bis=true; 
			setup_testo_bis(); 
			return; 
		} 
	} 


	//Gestione Ritiro 
	if(direz_bis==true){ 
		clear_text_bis(); 
		if(m_bis>0){ 
			quale_bis.style.width=m_bis; 
			m_bis-=5; 
		} 
		if(m_bis<=0){ 
			clearInterval(intv_esp_bis); 
			direz_bis=false; 
			m_bis=50; 
			return; 
		} 
	} 
} 


function setup_testo_bis(){
	id_menu=quale_bis;
	num=num.charAt(2);
	id_menu.innerHTML=txt[num]; 
	id_menu.style.visibility="visible";  
} 

function clear_text_bis(){ 
	id_menu=quale_bis;
	id_menu.style.visibility="hidden"; 
	id_menu.innerHTML=""; 
} 

</script>
<title></title> 

</head>
<body bgcolor="#ffffff" text="#008080" link="#008080" vlink="#009700">
 
<table border="1" bordercolor="#008080"> 
<tr> 
<td bordercolor="#FFFFFF" rowspan="2" width="112"> 
<center> 
<div onclick="dec(td0,'td0')" style="border:0px outset white;background:white;cursor:hand"> 
musica 
</div> 
</center> 
</td> 
<td bordercolor="#FFFFFF" style="visibility:hidden" id="td0"> 
</td> 
</tr> 
</table>




<table border="1" bordercolor="#008080"> 
<tr> 
<td bordercolor="#FFFFFF" rowspan="2" width="112"> 
<center> 
<div onclick="dec(td1,'td1')" style="border:0px outset white;background:white;cursor:hand"> 
musica 
</div> 
</center> 
</td> 
<td bordercolor="#FFFFFF" style="visibility:hidden" id="td1"> 
</td> 
</tr> 
</table>
 
</body>

</html>
ci sono ancora dei problemini ma ci sto lavorando...