<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
<meta name="generator" content="http://www.inknoise.com/experimental/layoutomatic.php" /> <style type="text/css">
#container {
width: 760px;
\width: 780px;
w\idth: 760px;
border: 1px solid gray;
margin: 0px;
margin-left: auto;
margin-right: auto;
padding: 0px;
font-size:12px;
}

#banner {
height:100px;

margin-bottom: 0;
background-color: rgb(213, 219, 225);
text-align:center;
background-image:url(immagini/logo.jpg);
background-repeat:no-repeat;


}

#imagebanner {
height:60px;
width:760px;
text-align: right;
}
h1 {
text-align: center;
font-family:Verdana, Arial, Helvetica, sans-serif;
margin-top:5px;
margin-bottom:-0px;
font-size:150%;
}
h2 {
text-align: center;
font-family:Verdana, Arial, Helvetica, sans-serif;
margin-top:0px;
margin-bottom:5px;
font-size:120%;
}

#corpo {
clear: both;
padding: 0px;
margin-top: 0;
border-top: 1px solid black;
background-color: rgb(213, 219, 225);
}

#content {
padding: 0px;
margin-left: 150px;
margin-right: 150px;
background-color: gray;
height:500px;
}

#news {
padding: 0px;
background-color: red;}
#uno {
margin-top:20px;
margin-left:20px;
float:left;
width:200px;
height:120px;
padding: 0px;
background-color: blue;
border: 1px solid black;}
#due{
margin-top:20px;
margin-left:20px;
float:left;
width:200px;
height:120px;
padding: 0px;
background-color: blue;
border: 1px solid black;}
#tre{
margin-top:20px;
margin-left:20px;
float:left;
width:200px;
height:120px;
padding: 0px;
background-color: blue;
border: 1px solid black;}

#quattro{
margin-top:20px;
margin-left:20px;
float:left;
width:200px;
height:120px;
padding: 0px;
background-color: blue;
border: 1px solid black;}

#cinque{
margin-top:20px;
margin-left:20px;
float:left;
width:200px;
height:120px;
padding: 0px;
background-color: blue;
border: 1px solid black;}
#sei{
margin-top:20px;
margin-left:20px;
float:left;
width:200px;
height:120px;
padding: 0px;
background-color: blue;
border: 1px solid black;}
#sidebar-a {

float: left;
width: 150px;
\width: 160px;
w\idth: 150px;
margin: 0;
margin-right: 0;
border-right: 1px solid black;

background-color: rgb(235, 235, 235);
}

#sidebar-b {

float: right;
width: 150px;
\width: 160px;
w\idth: 150px;
margin: 0;
margin-left: 0;
border-left: 1px solid black;

background-color: rgb(235, 235, 235);
}

#footer {
clear: both;
padding: 0px;
margin-top: 0;
border-top: 1px solid black;

background-color: rgb(213, 219, 225);
}
#navlist
{
padding-left: 0;
margin-left: 0;
border-bottom: 1px solid black;
width: 150px;
}

#navlist li
{
list-style: none;
margin: 0;
padding: 0.25em;

}

#navlist li a { text-decoration: none; }
</style>
</head>
<body>
<div id="container">
<div id="banner">
<div id="imagebanner">[img]immagini/banner.jpg[/img]
</div>
<h1>titolo del sito</h1>
</div>
<div id="corpo">
<div id="sidebar-a">
<ul id="navlist">
<li id="active">Item one[*]Item two[*]Item three[*]Item four[*]Item five[/list]
<ul id="navlist">
<li id="active">Item one[*]Item two[*]Item three[*]Item four[*]Item five[/list]
</div>

<div id="sidebar-b"><ul id="navlist">
<li id="active">Item one[*]Item two[*]Item three[*]Item four[*]Item five[/list]
<ul id="navlist">
<li id="active">Item one[*]Item two[*]Item three[*]Item four[*]Item five[/list]
</div>

<div id="content">
<div id="news"><h2>news ed eventi</h2>gggggggggggggggggggggggggggg hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm</div>
<div id="uno">[img]immaginirigablu.jpg[/img]</div>
<div id="due"></div>
<div id="tre"></div>
<div id="quattro"></div>
<div id="cinque"></div>
<div id="sei"></div>
</div>
</div>

<div id="footer"></div>
</div>
</body>
</html>

firefox e opera sono ok.
ie6 allinea i div blu (non fate caso ai colori sono solo per distinguere i div...) li mette uno sull'altro... penso sia questione dell'interpretazione del box model di ie6 , ma nn riesco a sistemare.
Qualch suggerimento ?
Ciao e grazie
Paolo