Ciao, ho questo script .. come si nota il commento del link va sotto la select.

In teoria basterebbe impostare z-index ma non posso mettere posizione assoluta per la select..

soluzioni ??
thks

codice:
<html>
<head>
<title>DHTMLCentral.com - Free Dynamic HTML Scripts - PopupDescriptions Demo</title>
<meta name="Author" content="Thomas Brattli (webmaster@dhtmlcentral.com)">
<META NAME="Generator" CONTENT="Designer:Thomas Brattli (www.bratta.com)">
<meta name="KeyWords" content="DHTML, HTML, Dynamic HTML, Javascript, Cascading Style Sheets, Cross-browser, Cross browser, Javascripts, DOM, Scripts, Free Scripts,popupdescriptions,text,popup,mouseover,messages,links,description,help,explain,">
<meta name="Description" content="Dynamic HTML Central - The ultimate place to find DHTML scripts, demos, tutorials and help.">
<style type="text/css">
.clDescriptionCont {position:absolute;  width:200px; visibility:hidden; layer-background-color:#cccccc; z-index:200;}
.clDescription     {width:150px; left:0px; top:0px; font-family:verdana,arial,helvetica,sans-serif; overflow:hidden; border: 1px solid #999999; padding:3px; font-size:11px; background-color:#cccccc; layer-background-color:#cccccc;}
/*.clLinks           {position:absolute; left:100px; top:200px; z-index:1;}
.clCaption         {position:absolute; left:0px; top:0px; width:157px; height:15px; clip:rect(0px 157px 15px 0px); font-size:11px; font-family:verdana,arial,helvetica,sans-serif; background-color:#999999; layer-background-color:#999999;} 
*/
</style>
<script language="JavaScript" type="text/javascript">
/**********************************************************************************   
PopupDescriptions 
*   Copyright (C) 2001 Thomas Brattli
*   This script was released at DHTMLCentral.com
*   Visit for more great scripts!
*   This may be used and changed freely as long as this msg is intact!
*   We will also appreciate any links you could give us.
*
*   Made by Thomas Brattli 
*********************************************************************************/

function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw=new lib_bwcheck()



/***************************************************************************************
Variables to set:
***************************************************************************************/
messages=new Array()
//Write your descriptions in here.
messages[0] = "Description of test link 0 asd asd asd asd asd asd asd asd asd asd asd"
messages[1] = "Description of test link 1 asd asd asd asd asd asd asd asd asd as ds asdasd"
messages[2] = "Description of test link 2"
messages[3] = "Description of test link 3"
messages[4] = '<div class="clCaption">Your caption</div>
Description of test link 4</div>'
//To have more descriptions just add to the array.

fromX = 50 //How much from the actual mouse X should the description box appear?
fromY = -20 //How much from the actual mouse Y should the description box appear?

//To set the font size, font type, border color or remove the border or whatever,
//change the clDescription class in the stylesheet.

//Makes crossbrowser object.
function makeObj(obj){								
   	this.evnt=bw.dom? document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?document.layers[obj]:0;
	if(!this.evnt) return false
	this.css=bw.dom||bw.ie4?this.evnt.style:bw.ns4?this.evnt:0;	
   	this.wref=bw.dom||bw.ie4?this.evnt:bw.ns4?this.css.document:0;		
	this.writeIt=b_writeIt;																
	return this
}

// A unit of measure that will be added when setting the position of a layer.
var px = bw.ns4||window.opera?"":"px";

function b_writeIt(text){
	if (bw.ns4){this.wref.write(text);this.wref.close()}
	else this.wref.innerHTML = text
}

//Capturing mousemove
var descx = 0
var descy = 0
function popmousemove(e){descx=bw.ns4||bw.ns6?e.pageX:event.x; descy=bw.ns4||bw.ns6?e.pageY:event.y}

var oDesc;
//Shows the messages
function popup(num){
    if(oDesc){
		oDesc.writeIt('<div class="clDescription">'+messages[num]+'</div>')
		if(bw.ie5||bw.ie6) descy = descy+document.body.scrollTop
		oDesc.css.left = (descx+fromX)+px
		oDesc.css.top = (descy+fromY)+px
		oDesc.css.visibility = "visible"
    }
}
//Hides it
function popout(){
	if(oDesc) oDesc.css.visibility = "hidden"
}
function setPopup(){
   	if(bw.ns4)document.captureEvents(Event.MOUSEMOVE)
    document.onmousemove = popmousemove;
	oDesc = new makeObj('divDescription')
}
</script>
</head>



<div id="divDescription" class="clDescriptionCont">
________
</div>


</p>
<div id="divLinks" class="clLinks">
	
	test link 0 -
	test link 1 -
	test link 2 -
	test link 3 -
	test link 4 
</div>
<select name="test">
  <option value="1"> valore della seclet di prova</option>
</select>
<script type="text/javascript">setPopup()</script>


</body>
</html>