body {
  display: block;
  background-image: url(../dimwv.gif);
  font-family: Arial,Helvetica,sans-serif;
}
.body_right {
  float: right;
  width: 80%;
  display: block;
}
.body_left {
  width: 20%;
  float: left;
  min-width: 200px;
}