#body {
    width:960px;
    margin:0 auto;
    /background:#ddd;
}
#this_header {
    padding:0px;
    background:#fdd;
}
#content-1 {
    float:left;
    width:450px;
    padding:10px;
    /background:#fff;
    border-right:1px solid black;
}
#content-2-1 {
    float:left;
    width:359px;
    padding:10px;
    /background:#ddf;
    border-right:1px solid black;
}
#content-2-2 {
    float:right;
    width:500px;
    padding:10px;
    /background:#dff;
}
#this_footer {
    clear:both;
    /padding:10px;
    background:#ff9;
}