#fancyId {
  position: relative;
  height: 40px;
  width: 944px;
  padding:0;
  margin: 0;
  overflow: hidden;
}

#fancyId li {
  float: left;
  list-style: none;
}
#fancyId li a {
  z-index: 10;
  display: block;
  float: left;
  height: 40px;
  position: relative;
  overflow: hidden;
}
#fancyId li.background {
  /*background-color:black;*/
  background: url(../im/main_hover.png) top center no-repeat;
  z-index: 8;
  position: absolute;
  overflow:hidden;
  height:37px;
  z-index:8;
}
 
#fancyId .background .left {
dosplay:none;
}

 
/* Don't apply padding here (offsetWidth will differ in IE)
If you need padding add it to the child anchor */