/*this floats under the left and under category menu*/
#MainContent {
  /*float: left;*/
  position:relative;
  top:0px;
  width: 179px;
  margin: 0px;
  /*height:686px;depends on category height menu*/
  /*border: 1px solid red;*/
}
/*this floats right of the category menu*/
#LeftContent {
  text-align: center;
  width: 576px;
  float: right;
  /*height:800px;depends on page height*/
  /*border: 1px solid green;*/
}