div#main {
  float:right;
  overflow:auto;
  top:0px;
  height:546px;
  width:474px;
  border-left:1px solid #8C8C8C;
}

div#left {
  float:left;
  overflow:hidden;
  top:0px;
  left:0;
  height:546px;
  width:500px;  
}