function changeMenuDivImage(sMenuItem) {
    var i = 1;

    for (i = 1; i <= 6; i++) {
      if (i != sMenuItem) {
        document.getElementById("mleft" + i).style.backgroundImage = "url('images/menuBoxLeft.png')";
        document.getElementById("mmiddle" + i).style.backgroundImage = "url('images/menuBoxMiddle.png')";
        document.getElementById("mright" + i).style.backgroundImage = "url('images/menuBoxRight.png')";
      }
    }

    if (sMenuItem != "0") {
      document.getElementById("mleft" + sMenuItem).style.backgroundImage = "url('images/menuBoxLeftSelected.png')";
      document.getElementById("mmiddle" + sMenuItem).style.backgroundImage = "url('images/menuBoxMiddleSelected.png')";
      document.getElementById("mright" + sMenuItem).style.backgroundImage = "url('images/menuBoxRightSelected.png')";
    }
  }

  function setMenuHighlight(sMenuItem) {
    var sImage = document.getElementById("mleft" + sMenuItem).style.backgroundImage;

    if (sImage.indexOf("Selected") < 0) {
      document.getElementById("mleft" + sMenuItem).style.backgroundImage = "url('images/menuBoxLeftHover.png')";
      document.getElementById("mmiddle" + sMenuItem).style.backgroundImage = "url('images/menuBoxMiddleHover.png')";
      document.getElementById("mright" + sMenuItem).style.backgroundImage = "url('images/menuBoxRightHover.png')";
    }
  }

  function removeMenuHighlight(sMenuItem) {
    var sImage = document.getElementById("mleft" + sMenuItem).style.backgroundImage;

    if (sImage.indexOf("Selected") < 0) {
      document.getElementById("mleft" + sMenuItem).style.backgroundImage = "url('images/menuBoxLeft.png')";
      document.getElementById("mmiddle" + sMenuItem).style.backgroundImage = "url('images/menuBoxMiddle.png')";
      document.getElementById("mright" + sMenuItem).style.backgroundImage = "url('images/menuBoxRight.png')";
    }
  }