#navbar {
  width: 940px;
  height: 30px;
  position: relative;
  background: url(../images/navigation.jpg);
  margin: 0;    
  padding: 0;
}
#navbar li {
  float: left;
  list-style:none;
}
#navbar li a {
  position: absolute;
  top: 0;
  margin: 0;
  padding: 0;
  display: block;
  height: 30px;
  background: url(../images/navigation.jpg) no-repeat;
  text-indent: -9999px;
  overflow: hidden;
  font-size: 1%;
}
li#nav_home a {
  left: 330px;
  width: 80px;
  background-position: -330px 0;
}
li#nav_entry a {
  left: 420px;
  width: 120px;
  background-position: -420px 0;
}
li#nav_poster a {
  left: 560px;
  width: 180px;
  background-position: -560px 0;
}
li#nav_contact a {
  left: 760px;
  width: 120px;
  background-position: -760px 0;
}
li#nav_home a:hover {
  background-position: -330px -30px;
}
li#nav_entry a:hover {
  background-position: -420px -30px;
}
li#nav_poster a:hover {
  background-position: -560px -30px;
}
li#nav_contact a:hover {
  background-position: -760px -30px;
}
#body_home li#nav_home  a {
  background-position: -330px -60px;
}
#body_entry li#nav_entry a {
  background-position: -420px -60px;
}
#body_poster li#nav_poster a {
  background-position: -560px -60px;
}
#body_contact li#nav_contact a {
  background-position: -760px -60px;
}