div.jmymenu {
  /* Set it so we could calculate the offsetLeft */
  position: relative;
  width: 500px;
 /* margin: 0 auto;*/
  /* Add scroll-bars */
  overflow: auto;
}
div.jmymenu ul {
  display: block;
  height: 110px;
  /* Max width here, for users without Javascript */
  width: 1500px;
  padding: 15px 0 0 15px;
  /* Remove default margin */
  margin: 0;
  background: url('navigation.png');
  list-style: none;
}
.jmymenu li {
  display: block;
  float: left;
  padding: 0 4px;
  background:none;
}
.jmymenu a {
  display: block;
  text-decoration: none;
  border:none;
}