Ciao!
Scusa, hai ragione tu.

Sotto riporto il codice della pagina, dove, come puoi notare ho già una parte che all'onclick mi legge il name della <tr>. Vorrei anche aggiungere la parte del cambia colore. Se volessi seguire la strada come potrei fare? Sono un 'very newbie' del JS!

Grazie mille!





<!doctype html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<HTML> <HEAD>
<TITLE>
SSP Version 0.0 - USER d - Anno: ND - Azienda ND </TITLE>

<meta name=generator content="Prove e test ssp">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">

<link rel="stylesheet" href="../../COMMON/CSS/top.css" type="text/css"><link rel="shortcut icon" href="../../COMMON/ICONS/test.ico" type="image/x-icon">

<STYLE NG="replaced" >
body {
margin: 1px;
font-family: "lucida grande", verdana, lucida, sans-serif;
font-size: 8pt;
}

li {
padding-bottom: 4px;
line-height: 1.5em;
text-align: justify;
}

p {
text-align: justify;
line-height: 140%;

}
acronym {
font-style: normal;
border-bottom: 1px dotted #ddd;
}

code, pre {
font-family: courier, monospace;
color: green;
}

#bottle {
width: 410px;
}


#playlist {
border: 1px solid #666666;
}


#playlist td {
font-family: "lucida grande", verdana, sans-serif;
font-size: 6pt;
padding: 3px 8px;
border-left: 1px solid #D9D9D9;
}

#playlist tr.selected td {
background-color: #3d80df;
color: #ffffff;
font-weight: bold;
border-left: 1px solid #346DBE;
border-bottom: 1px solid #7DAAEA;
}
</STYLE>

<style type="text/css">

#playlist {
border: 1px solid #666666;
}

#playlist tbody tr td {
font-family: "lucida grande", verdana, sans-serif;
font-size: 6pt;
padding: 3px 6px;
border-left: 1px solid #D9D9D9;
}

#playlist tbody tr.selected td {
background-color: #3d80df;
color: #ffffff;
font-weight: bold;
border-left: 1px solid #346DBE;
border-bottom: 1px solid #7DAAEA;
}
</style>



<script language="Javascript">


var pars="";

function AIC(me){ //AddIDToidchanged
me.style.background = "#0AFF00"; //background-color to green to let user know must use ajax
var melength=me.name.length; // had to use length bec autoid can get larger than just 1 ,2,3,4, or 5 digits.
var id=(me.name.substr(3,melength)); // will always be 3(f00) then autoid digits.
if (id){
var str=document.getElementById("idchanged").value; // if not sure how works then unhide the field on the form
if (str==""){
document.getElementById("idchanged").value=str + id;
document.getElementById("nascosto").value=str + id;
}else{
if (!str.match(id)){
document.getElementById("idchanged").value=str + "," + id;
document.getElementById("nascosto").value=str + "," + id;
}}
// this added for ajax

if (pars==""){
pars=me.name + "=" + me.value;
}else{
pars=pars+"&"+me.name+"="+me.value;
}}
}


function SetActiveID_2(me){
//alert (me);
var id=(me.getAttribute("name").substr(12,14));
//form.activeid.value=me.name;
//elem = document.getElementById(ID).value;
document.getElementById("nasc_new").value = me.getAttribute("name");
}
function hasClass(obj) {
var result = false;
if (obj.getAttributeNode("class") != null) {
result = obj.getAttributeNode("class").value;
}
return result;
}




function stripe(id) {
// http://www.alistapart.com/d/stripedtables/example.html
// the flag we'll use to keep track of
// whether the current row is odd or even
var even = false;

// if arguments are provided to specify the colours
// of the even & odd rows, then use the them;
// otherwise use the following defaults:
var evenColor = arguments[1] ? arguments[1] : "#fff";
var oddColor = arguments[2] ? arguments[2] : "#eee";

// obtain a reference to the desired table
// if no such table exists, abort
var table = document.getElementById(id);
if (! table) { return; }

// by definition, tables can have more than one tbody
// element, so we'll have to get the list of child
// &lt;tbody&gt;s
var tbodies = table.getElementsByTagName("tbody");

// and iterate through them...
for (var h = 0; h < tbodies.length; h++) {

// find all the &lt;tr&gt; elements...
var trs = tbodies[h].getElementsByTagName("tr");

// ... and iterate through them
for (var i = 0; i < trs.length; i++) {

// avoid rows that have a class attribute
// or backgroundColor style
if (! hasClass(trs[i]) &&
! trs[i].style.backgroundColor) {

// get all the cells in this row...
var tds = trs[i].getElementsByTagName("td");

// and iterate through them...
for (var j = 0; j < tds.length; j++) {

var mytd = tds[j];

// avoid cells that have a class attribute
// or backgroundColor style
if (! hasClass(mytd) &&
! mytd.style.backgroundColor) {

mytd.style.backgroundColor =
even ? evenColor : oddColor;

}
}
}
// flip from odd to even, or vice-versa
even = ! even;
}
}
}



</SCRIPT>

</head>
<body onload="stripe('playlist', '#fff', '#edf3fe');"><a name="top"></a>
<form method=post action="./../ABILITAZIONE/save.php">
<table id = "playlist" frame = box border = 1 cellspacing="0">
<tr><td width="0%"></td>

<td>Legal entity enabling </td>
<td>Roles</td>
<td>Password modification</td>
<td>Other user details</td>
<td>Login name</td>
<td>First name</td>
<td>Last name</td>
<td>E-mail address</td>

<td>Enabled</td>
</tr>


<tr id= "ID1" onclick="SetActiveID_2(this);" onFocus="SetActiveID_2(this,this.id);" onmouseover="this.style.background='#D0D0D0';" onmouseout="this.style.background='white';" name ="UNO">
<td width="0%"><input type="hidden" name="USER_ID[0]" value="UNO" disable = "disabled"></td>
<td><input type="submit" name="LE_AB[0]" value = "Abilitazione aziende"></td>
<td><input type="submit" name="ROLES_AB[0]" value = "Ruoli"></td>
<td><input type="button" name = "Mod_pwd"
onClick = window.open("./../PASSWORD/password.php?USER_ID=062be1fc-ca11-102a-9eae-71cfbb3cf82a","newwin","scrollbars=no,status=no,re sizable=yes,top=300,left=150,width=300,height=750" ) value = "Password modification " ></td>
<td><input type="button" name = "Mod_dett"
onClick = window.open("usr_details.php?USER_ID=062be1fc-ca11-102a-9eae-71cfbb3cf82a","newwin","scrollbars=no,status=no,re sizable=yes,top=300,left=150,width=300,height=750" ) value = "Other user details " ></td>
<td>david </td>
<td>d</td>

<td>d</td>
<td>cicici</td>
<td><textarea rows="1" cols="1"class="boldblue"style="font:arial;"name="0 62be1fc-ca11-102a-9eae-71cfbb3cf82a"WRAP="virtual" onchange="AIC(this)" onclick="SetActiveID(this,this.form);"onFocus="Set ActiveID(this,this.form); "></textarea></td>
<td> <input type= 'checkbox' name='FLG_ROLE_CODE_EDIT'></td></tr>



<tr id= "ID2" onclick="SetActiveID_2(this);" onFocus="SetActiveID_2(this,this.id);" onmouseover="this.style.background='#D0D0D0';" onmouseout="this.style.background='white';" name ="DUE">
<td width="0%"><input type="hidden" name="USER_ID[0]" value="DUE" disable = "disabled"></td>
<td><input type="submit" name="LE_AB[0]" value = "Abilitazione aziende"></td>
<td><input type="submit" name="ROLES_AB[0]" value = "Ruoli"></td>
<td><input type="button" name = "Mod_pwd"
onClick = window.open("./../PASSWORD/password.php?USER_ID=062be1fc-ca11-102a-9eae-71cfbb3cf82a","newwin","scrollbars=no,status=no,re sizable=yes,top=300,left=150,width=300,height=750" ) value = "Password modification " ></td>
<td><input type="button" name = "Mod_dett"
onClick = window.open("usr_details.php?USER_ID=062be1fc-ca11-102a-9eae-71cfbb3cf82a","newwin","scrollbars=no,status=no,re sizable=yes,top=300,left=150,width=300,height=750" ) value = "Other user details " ></td>

<td>david </td>
<td>d</td>
<td>d</td>
<td>cicici</td>
<td><textarea rows="1" cols="1"class="boldblue"style="font:arial;"name="0 62be1fc-ca11-102a-9eae-71cfbb3cf82a"WRAP="virtual" onchange="AIC(this)" onclick="SetActiveID(this,this.form);"onFocus="Set ActiveID(this,this.form); "></textarea></td>
<td> <input type= 'checkbox' name='FLG_ROLE_CODE_EDIT'></td></tr>



</table>




</form>



<form action="pippo.php" method="POST">
<input type="text" id="nasc_new" name="idchanged" value="">
<input type="submit">
</form>


</body>
</HTML>