body {
  background: #ffffff url(page_background.gif) repeat-y;
  padding: 0;
  margin: 0;
}

#navigation {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right -160px;
}

#navigation ul {
  font: 11px/20px Arial, sans-serif;
  margin: 40px 0 0;
  padding: 0;
  list-style-type: none;
  border-bottom: 1px solid #304618;
}

#navigation li {
  border-top: 1px solid #304618;
  background: #597042 url(button_background.gif) repeat-x;
}

#navigation a {
  display: block;
  height: 20px;
  padding: 0 10px;
  text-decoration: none;
  color: #222222;
}

#navigation a:hover {
  background: #799062;
}

#navigation a:active {
  background: #ffffff;
}

#navigation li ul {
  border-bottom: none;
  margin-top: 0;
}

#navigation li li {
  border-top: none;
  background: #597042;
}

#navigation li li a {
  padding-left: 20px;
  height: 18px;
  line-height: 18px;
}

#navigation img {
  display: block;
}

#header {
  position: fixed;
  top: 0;
  height: 120px;  
  left: 160px;
  right: 0;
  background: gray; 
  overflow: hidden;
}

#main {
  position: absolute; 
  top: 120px; 
  bottom: 0;
  left: 170px;
  right: 0;
  overflow: scroll;
}

#footer {
  position: fixed;
  bottom: 0; 
  width: 100%;
  height: auto;
  background: #2222ff;
}