#contents {
  background-image: url(side_bk.jpg);
  background-repeat: repeat-y;
  width: 800px;
}
#main {
  float: right;
  margin-left: -220px;
  width: 100%;
  padding-right: 10px;
}
#box {
  margin-left: 220px;
  margin-bottom: 100px;
}
#side {
  float: right;
  width: 180px;
  margin-right: 20px;
}
#footer{
  clear: both;
  width: 800px;
  text-align : center;
  border-top-style : double;
  border-top-color : red;
  background-image : url(../images/bgwhite.gif);
}