div#content {
  float:right;
  width:99%;
}
div#left_side_bar {
  float:left;
  width:74%;
  margin-left:-73.9%;
  padding: 0;
}
div#right_side_bar {
  float:right;
  width:74%; /* If the side column is the same width as the centre column then this percentage is 100% */
  margin-right:-73.9%; /* This is less than the width because this div must have some real existence in its parent div */
}
body.wideSpread div#left_side_bar {
  width:50%; /* If the side column is the same width as the centre column then this percentage is 100% */
  margin-left:-49.9%; /* This is less than the width because this div must have some real existence in its parent div */
}
body.wideSpread div#right_side_bar {
  width:50%; /* If the side column is the same width as the centre column then this percentage is 100% */
  margin-right:-49.9%; /* This is less than the width because this div must have some real existence in its parent div */
}
body.maxSpread div#left_side_bar {
  float:left;
  width:12%;
  margin-left:-11.9%;
  padding: 0;
}
body.maxSpread div#right_side_bar {
  float:right;
  width:12%; /* If the side column is the same width as the centre column then this percentage is 100% */
  margin-right:-11.9%; /* This is less than the width because this div must have some real existence in its parent div */
}
div#footer { 
  clear:both;
  border-top: none;
  background-color:#fff9ff;
 }