#header, #banner, #home_pro, #friendly_link, #footer,.body_tab,#classbody
{
 width: 1000px;
margin: auto;
overflow: hidden;   
}
body, td, th {
font-size: 12px;
color: #333;
}

#header #logo {
float: left;
width: 180px;
height: 60px;
}
#header #user {
float: right;
width: 100px;
height: 31px;
line-height: 31px;
margin-top: 10px;
}
form {
display: block;
margin-top: 0em;
}

#header #search {
background: url(../images/search_bg.jpg) no-repeat;
width: 152px;
height: 29px;
overflow: hidden;
float: right;
padding: 1px 5px;
margin-top: 10px;
}

.foot_word div
{
    text-align:center;
    margin:0 auto;
}