Come faccio ragazzi a centrare questo menù?

body {
body{background: url(body.jpg) top left}
font-size: 14px;
font-family: Verdana, Arial, SunSans-Regular, Sans-Serif;
color:#FFFFFF;
padding:10px;
margin:10px;
}
a {color: #FFFFFF;}
a:visited {color:#FFFFF;}
a:hover {color: #c43300;}
a:active { color: #c43300;}

h1 {
font-size: 14px;
text-transform:uppercase;

/*border-top:1px solid #564b47;
border-bottom:1px solid #564b47;*/
/*padding:5px 15px;*/
margin:0px }

h2 {
color: #9A1212;
font-size:24px;
font-weight: normal;
padding: 5px 10px;
margin:2px;}

img.download {vertical-align:middle;}

/* ----------layout centrale-------------- */
#container {
width: 910px;

margin-left: auto;
margin-right: auto;
height:100%;
background: #228B22 url('bodycontent.JPG') top left;
border:1px solid #000000;
}

/* ----------logo-------------- */
#banner {
height: 114px;
text-align: center;
background: url('logo.jpg') no-repeat bottom center;
background-color: #228B22;

padding: 0px;
margin: 0px;
}
#banner img {padding:10px 0px;}
#bannertitle{padding-top:50px;font-size:2em;font-weight:bold;}

/* -----------------content--------------------- */
#left {

background: #228B22 url('bodycontent.JPG') top left;
padding: 23px;
margin-left: 200px;
margin-right: 0px;
}
div#content {
min-height:475px;
/*height:expression(this.scrollHeight > 475 ? "auto":"475px"); */
}

p, pre{
padding: 2px;
margin: 0px;

}

/* Menu */

#menu {
width: 910px;
height: 41px;
margin: 0 auto;
background: #2E2E2E;
}

#menu ul {
margin: 0;
padding: 0;
list-style: none;
}

#menu li {
display: inline;
}

#menu a {
display: block;
float: left;
height: 32px;
padding: 9px 20px 0 20px;
text-decoration: none;
color: #CCCCCC;
}

#menu a:hover, #menu .active a {
background: url(images/img4.gif);
color: #FFFFFF;
}

/**********horizontalal menu***************/

.verticalmenu li, a:link, .verticalmenu a:visited, .verticalmenu a:hover {
color:#FFF;
display:inline;
height:50px;
padding:0 0 0 10px;
text-align: center;
text-decoration:none;
width:140px;
font:1.1em Verdana, Arial, Helvetica, sans-serif;
}
Quello di Home,chi siamo,forum,ecc.?

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