#nav {
  width: 852px;
  height: 40px;
  position: relative;
  background: url(images/menu.jpg);
  margin: 0;    
  padding: 0;
}
#nav li {
  float: left;
  list-style:none;
}
#nav li a {
  position: absolute;
  top: 0;
  margin: 0;
  padding: 0;
  display: block;
  height: 40px;
  background: url(images/menu.jpg) no-repeat;
  text-indent: -9999px;
  overflow: hidden;
  font-size: 1%;
}


/* Off */

li#nav_home a {
  left: 0;
  width: 60px;
  background-position: 0 0;
}
li#nav_drgarcia a {
  left: 74px;
  width: 94px;
  background-position: -74px 0;
}
li#nav_services a {
  left: 182px;
  width: 81px;
  background-position: -182px 0;
}
li#nav_kidscorner a {
  left: 276px;
  width: 113px;
  background-position: -276px 0;
}
li#nav_resources a {
  left: 402px;
  width: 93px;
  background-position: -402px 0;
}
li#nav_testimonials a {
  left: 509px;
  width: 120px;
  background-position: -509px 0;
}
li#nav_patientinfo a {
  left: 643px;
  width: 117px;
  background-position: -643px 0;
}
li#nav_contact a {
  left: 774px;
  width: 78px;
  background-position: -774px 0;
}


/* Hover */


li#nav_home a:hover {
  background-position: 0 -40px;
}
li#nav_drgarcia a:hover {
  background-position: -74px -40px;
}
li#nav_services a:hover {
  background-position: -182px -40px;
}
li#nav_kidscorner a:hover {
  background-position: -276px -40px;
}
li#nav_resources a:hover {
  background-position: -402px -40px;
}
li#nav_testimonials a:hover {
  background-position: -509px -40px;
}
li#nav_patientinfo a:hover {
  background-position: -643px -40px;
}
li#nav_contact a:hover {
  background-position: -774px -40px;
}


/* On */


#body_home li#nav_home  a {
  background-position: 0 -80px;
}
#body_drgarcia li#nav_drgarcia a {
  background-position: -74px -80px;
}
#body_services li#nav_services a {
  background-position: -182px -80px;
}
#body_kidscorner li#nav_kidscorner a {
  background-position: -276px -80px;
}
#body_resources li#nav_resources a {
  background-position: -402px -80px;
}
#body_testimonials li#nav_testimonials a {
  background-position: -509px -80px;
}
#body_patientinfo li#nav_patientinfo a {
  background-position: -643px -80px;
}
#body_contact li#nav_contact a {
  background-position: -774px -80px;
}