#header .imageLeft {
  background-image: url(../img/about_left.jpg);
}
#header .imageRight {
  background-image: url(../img//about_right.jpg);
}

#header .navigation li.about a {
  background-position: 0pt -19px;
  outline: none;
}

#LeftImage {
  background-image: url(../img/about_navigation.jpg);
}

ul#Level1 li#events {display: none; }
ul#Level1 li#news {display: none; }
ul#Level1 li#press {display: none; }
ul#Level1 li#publications {display: none; }