html {
  position: relative;
  height: auto;
  overflow: visible;
}
body.iscroll-off, 
body.iscroll-off #nonfooternav,
body.iscroll-off #wrapper, 
body.iscroll-off #container {
  position: static;
  height: auto;
  overflow: visible;
}

#wrapper {
  top: 0; /* no navbar */
}