#nav {
  width: 550px;
  height: 56px;
  position: relative;
  background: url(../images/menu-en.jpg);
  margin: 0;    
  padding: 0;
  top: 120px;
  left: 350px;
}

#nav li {
  float: left;
}

#nav li a {
  position: absolute;
  top: 0;
  margin: 0;
  padding: 0;
  display: block;
  height: 56px;
  background: url(../images/menu-en.jpg) no-repeat;
  text-indent: -9999px;
  overflow: hidden;
  font-size: 1%;
}
li#nav_a a {
  left: 0;
  width: 101px;
  background-position: 0 0;
}
li#nav_b a {
  left: 101px;
  width: 134px;
  background-position: -101px 0;
}
li#nav_c a {
  left: 235px;
  width: 101px;
  background-position: -235px 0;
}
li#nav_d a {
  left: 336px;
  width: 98px;
  background-position: -336px 0;
}
li#nav_e a {
  left: 434px;
  width: 116px;
  background-position: -434px 0;
}

li#nav_a a:hover {
  background-position: 0 -56px;
}
li#nav_b a:hover {
  background-position: -101px -56px;
}
li#nav_c a:hover {
  background-position: -235px -56px;
}
li#nav_d a:hover {
  background-position: -336px -56px;
}
li#nav_e a:hover {
  background-position: -434px -56px;
}

#body_a li#nav_a a {
  background-position: 0 -112px;
}
#body_b li#nav_b a {
  background-position: -101px -112px;
}
#body_c li#nav_c a {
  background-position: -235px -112px;
}
#body_d li#nav_d a {
  background-position: -336px -112px;
}
#body_e li#nav_e a {
  background-position: -434px -112px;
}