function content_resize()
{
  var height = document.body.clientHeight
    - document.getElementById('header').clientHeight;
  if (document.getElementById("main_menu")) {
    height = height - document.getElementById("main_menu").clientHeight;
  }
  if (document.getElementById("flash_menu")) {
    height = height - document.getElementById("flash_menu").clientHeight;
  }
  document.getElementById("contentbody").style.height = height + "px";

  if (document.body.clientWidth > 760) {
    document.getElementById("rightmost").style.width = (document.body.clientWidth - 759) + "px";
    document.getElementById("rightmost").style.height = document.getElementById("mainbody").clientHeight + "px";
  }
  else {
      document.getElementById("rightmost").style.width = "1px";
  }
}