HELP NEEDED URGENT CAN SOMEONE PLEASE CHECK MY CSS

http://www.crusty.com

elements wont center can someone please check my code to see where im wrong, i changed the hearder.html and it hrew everything out of wack site wide
i will attach the header html so you can see that as well. any ideas would be much appreaciated

please help

body
{
background: black url(../img/bg_body.gif) center 160px repeat-y;
font-family: Helvetica, Arial, sans-serif;
font-size: 0.8em;
color: white;
margin:0px;
padding:0px;
}

a
{
text-decoration: none;
color: #a90a0a;
}
a:hover
{
color:red;
}
a img
{
border:none;
}

.sifrborn
{
line-height: 1em !important;
}

h1
{
font-size: 1.5em;
}

div#container
{
width:970px;
margin-top: 0px;
margin-right: auto;
margin-bottom: 0px;
margin-left: auto;
}

div#head
{

}

ul#nav_main,
ul#nav_main li
{
margin:0px;
padding:0px;
list-style-type: none;
}

ul#nav_main
{
text-align: center;
height:30px;
background: black url(../img/nav_bg.gif) top left no-repeat;
}
ul#nav_main li,
ul#nav_main li a
{
display: block;
float: left;
height:30px;
background: top left no-repeat;
overflow: hidden;
}
ul#nav_main li
{
padding-left:0px;
background: url(../img/nav_bullet.gif) top left no-repeat;
}
ul#nav_main li.first
{
background: none;
padding: 0px;
margin-left:100px;
}
ul#nav_main li a
{
text-indent: -2000px;
}
ul#nav_main li a:hover
{
background-position: left -31px;
}
ul#nav_main li.tours a
{
background-image: url(../img/nav_button_tours.gif);
width:94px;
}
ul#nav_main li.riders a
{
background-image: url(../img/nav_button_riders.gif);
width:98px;
}
ul#nav_main li.club a
{
background-image: url(../img/nav_button_club.gif);
width:86px;
}
ul#nav_main li.news a
{
background-image: url(../img/nav_button_news.gif);
width:46px;
}
ul#nav_main li.fleshwound a
{
background-image: url(../img/nav_button_fleshwound.gif);
width:88px;
}
ul#nav_main li.babes a
{
background-image: url(../img/nav_button_babes.gif);
width:49px;
}
ul#nav_main li.links a
{
background-image: url(../img/nav_button_links.gif);
width:45px;
}
ul#nav_main li.gallery a
{
background-image: url(../img/nav_button_gallery.gif);
width:59px;
}
ul#nav_main li.merch_vtwo a
{
background-image: url(../img/nav_button_tour_merch.gif);
width:130px;
}
ul#nav_main li.contact a
{
background-image: url(../img/nav_button_contact.gif);
width:60px;
}
div#body,
div#footer
{
padding:1px 30px;
}
div#footer
{
clear:both;
margin-top:80px;
}

div#body div.rightcol
{
width:360px;
float:right;
}

div.titlerow
{
height:30px;
overflow:hidden;
background: black url(../img/bg_titlerow_1.gif) top right no-repeat;
}
div.titlerow h1
{
margin:0px;
padding:5px;
font-size:1.2em;
}
div.mainheader
{
height:49px;
background: black url(../img/bg_titlerow_2.gif) top right no-repeat;
padding:1px 35px;
margin-top:20px;
}
div.mainheader h1
{
margin-top:3px;
}

div.oriel
{
overflow:hidden;
width:360px;
height:405px;
margin-top:20px;
}

div.oriel ul,
div.oriel ul li
{
margin:0px;
padding:0px;
list-style-type:none;
}
div.oriel ul
{
overflow:auto;
height:375px;
}
div.oriel ul li
{
height:100px;
overflow:hidden;
cursor: pointer;
}
div.oriel ul li:hover,
div.oriel ul li.selected
{
background:black url(../img/bg_oriel_li.jpg) top left repeat-x;
}
div.oriel ul li.selected
{
cursor: default;
}
div.oriel ul li img
{
float:left;
margin-top:2px;
margin-left:1px;
}
div.oriel ul li h2
{
margin-top:13px
}
div.oriel ul li h2,
div.oriel ul li p
{
text-transform:uppercase;
font-size:9px;
margin:0px 0px 0px 140px;
}
div.oriel ul li h2
{
margin-top:23px
}
div.oriel ul li p
{
color:grey;
}
div.oriel ul li.selected p
{
color:white;
}

div#videoplayer,
div#videodetail
{
width:482px;
height:395px;
background: url(../img/bg_video.jpg) top left no-repeat;
overflow: hidden;
padding:5px 25px;
margin-top:20px;
}
div#videodetail div
{
overflow: auto;
background: black;
width:460px;
height:375px;
padding:10px;
}

div#featurebar
{
width:850px;
background: url(../img/bg_featurebar.jpg);
padding:5px 25px;
}

div#footerlinks
{
clear:both;
margin-top:40px;
font-size:0.7em;
background: url(../img/bg_footer.gif) center 20px no-repeat;
text-align: center;
padding:40px 20px;
line-height: 2em;
color: #a90a0a;
}
div#footerlinks a
{
text-decoration:none;
color: #a90a0a;
}
div#footerlinks a:hover
{
color:red;
}

table.oldcontenttable
{
margin:0px auto;
}

/* hopegage content areas */
div#homepagefeatures,
div#homepagevideo
{
width:854px;
padding:3px 23px;
margin:10px 0px;
}
div#homepagefeatures
{
padding:5px 25px;
height:118px;
background: black url(../img/bg_hp_features.jpg) top left no-repeat;
}
div#homepagevideo
{
height:375px;
background: black url(../img/bg_hp_video.jpg) top left no-repeat;
margin-bottom:-70px;
}

div#hpvideo,
div#hpimage
{
overflow:hidden;
height:350px;
width:423px;
margin:2px 0px 0px 2px;
float:left;
}
div#hpvideo h1,
div#hpimage h1
{
background: url(../img/bg_transparent.png);
text-align: right;
font-size: 9px;
position: relative;
top:-23px;
width:418px;
font-weight: normal !important;
padding: 4px 5px 0px 0px;
height: 13px;
overflow: hidden;
}
div#hpvideo h1
{
top:-6px;
background: black;
}
div#hpvideo div.button,
div#hpimage div.button
{
margin-top:2px;
text-align:center;
}
div#hpvideo div.button
{
position:relative;
top:-10px;
}
div#hpimage div.button
{
position:relative;
top:-27px;
}

div.feedbackform{width:300px; margin:0px auto;}
div.feedbackform label{display:block;margin-top:20px;}
div.feedbackform input, div.feedbackform textarea {width:100%}
div.feedbackform input.submit{width:auto !important;}

ul#nav_main li.fleshwound a {
background-image: url(../img/nav_button_fleshwound.gif);
width:88px;
}
ul#nav_main li.hospitality_vtwo a {
background-image: url(../img/nav_button_tour_merch.gif);
width:130px;
}

HEADER HTML

• 
  Crusty Tours
• 
  Crusty Riders
• 
  Crusty Club
• 
  News
• 
  Fleshwound
• 
  Crusty Babes
• 
  Links
• 
  Gallery
• 
  hospitality
• 
  Contact Us