#left_col {
  float: left;
  width: 275px;
}
#right_col {
  float: left;
  border-left: 5px solid #ffffff;
  padding-left: 15px;
  padding-right: 15px;
  padding-top: 15px;
  padding-bottom: 15px;
  width: 714px;/* 1024 - 275 - 5 - 15 - 15 */
  /* IE somehow doesn't support inhhrit. The original definition is in main.css. */
  min-height: 598px;
}
#sub_menu {
}
#sub_menu div {
  margin: 3px 0px;
}

#sub_menu div[id]:hover {
	 background: #e9e9e9;
	background: -webkit-gradient(linear, left top, left bottom, from(#e9e9e9), to(#B6B6B6));
	background: -moz-linear-gradient(top,  #e9e9e9,  #B6B6B6);
	filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#e9e9e9', endColorstr='#B6B6B6');
}
#sub_menu img {
  border: 0px;
}
#sub_menu a {
  outline: none;
}