#MainContent {
  margin: 0;
  float: left;
  width: 610px;
  /*border: 1px solid red;*/
}

#RightContent {
  text-align: center;
  width: 160px;
  float: right;
  /*border: 1px solid green;*/
}
#Pane1,#Pane2,#Pane3
{
    display:block;
    width:202px;
    float:left;
    padding-right:2px;
}
#Pane3
{
    padding-right:0
}