#nav {
  width: 613px;
  height: 41px;
  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: 41px;
  background: url(images/menu.jpg) no-repeat;
  text-indent: -9999px;
  overflow: hidden;
  font-size: 1%;
}


/* Off */

li#nav_home a {
  left: 0;
  width: 59px;
  background-position: 0 0;
}
li#nav_about a {
  left: 59px;
  width: 85px;
  background-position: -59px 0;
}
li#nav_difference a {
  left: 144px;
  width: 142px;
  background-position: -144px 0;
}
li#nav_material a {
  left: 286px;
  width: 141px;
  background-position: -286px 0;
}
li#nav_fleet a {
  left: 427px;
  width: 116px;
  background-position: -427px 0;
}
li#nav_careers a {
  left: 543px;
  width: 70px;
  background-position: -543px 0;
}


/* Hover */


li#nav_home a:hover {
  background-position: 0 -41px;
}
li#nav_about a:hover {
  background-position: -59px -41px;
}
li#nav_difference a:hover {
  background-position: -144px -41px;
}
li#nav_material a:hover {
  background-position: -286px -41px;
}
li#nav_fleet a:hover {
  background-position: -427px -41px;
}
li#nav_careers a:hover {
  background-position: -543px -41px;
}


/* On */


#body_home li#nav_home  a {
  background-position: 0 -82px;
}
#body_about li#nav_about a {
  background-position: -59px -82px;
}
#body_difference li#nav_difference a {
  background-position: -144px -82px;
}
#body_material li#nav_material a {
  background-position: -286px -82px;
}
#body_fleet li#nav_fleet a {
  background-position: -427px -82px;
}
#body_careers li#nav_careers a {
  background-position: -543px -82px;
}




/* Contact Btn */

#contactbtn {
  width: 81px;
  height: 27px;
  position: relative;
  background:url(images/contactbtn.gif);
  margin: 0;    
  padding: 0;
}
#contactbtn li {
  float: left;
  list-style:none;
}
#contactbtn li a {
  position: absolute;
  top: 0;
  margin: 0;
  padding: 0;
  display: block;
  height: 27px;
  background: url(images/contactbtn.gif) no-repeat;
  text-indent: -9999px;
  overflow: hidden;
  font-size: 1%;
}


/* Off */

li#contactbtn_contact a {
  left: 0;
  width: 81px;
  background-position: 0 0;
}

/* Hover */


li#contactbtn_contact a:hover {
  background-position: 0 -27px;
}



/* Contact Btn 2 */

#contactbtn2 {
  width: 134px;
  height: 27px;
  position: relative;
  background:url(images/customercenterbtn3.gif);
  margin: 0;    
  padding: 0;
}
#contactbtn2 li {
  float: left;
  list-style:none;
}
#contactbtn2 li a {
  position: absolute;
  top: 0;
  margin: 0;
  padding: 0;
  display: block;
  height: 27px;
  background: url(images/customercenterbtn3.gif) no-repeat;
  text-indent: -9999px;
  overflow: hidden;
  font-size: 1%;
}


/* Off */

li#contactbtn_contact2 a {
  left: 0;
  width: 134px;
  background-position: 0 0;
}

/* Hover */


li#contactbtn_contact2 a:hover {
  background-position: 0 -27px;
}