#wrapperTop {
  width:970px;
  background-color:#FFFFFF;
  padding-bottom:2px;
  border-bottom:1px solid #CCCCCC;
  margin-bottom:5px;
}
#wrapperMain {
  /* should be 970, but less buggy floats when it's set larger */
  width:1000px;
  background-color:#FFFFFF;
  margin-bottom:5px;
}
#wrapperMainCenter {
  float:left;
  width:624px;
  background-color:#FFFFFF;
}
#wrapperInternalCenter {
  float:left;
  padding-right:10px;
  background-color:#FFFFFF;
}
#wrapperMainRight {
  float:left;
  width:336px;
  background-color:#FFFFFF;
}
#wrapperBottom {
  clear:both;
  width:970px;
  background-color:#FFFFFF;
}