var loaded = false
onload = load

function load()
{
  loaded = true
}

if (document.images)
{
  opt1BtnOut = new Image()
  opt1BtnOut.src = "i/nav_news.gif"
  opt1BtnOver = new Image()
  opt1BtnOver.src = "i/nav_news_a.gif"

  opt2BtnOut = new Image()
  opt2BtnOut.src = "i/nav_this.gif"
  opt2BtnOver = new Image()
  opt2BtnOver.src = "i/nav_this_a.gif"

  opt3BtnOut = new Image()
  opt3BtnOut.src = "i/nav_cmpt.gif"
  opt3BtnOver = new Image()
  opt3BtnOver.src = "i/nav_cmpt_a.gif"

  opt4BtnOut = new Image()
  opt4BtnOut.src = "i/nav_people.gif"
  opt4BtnOver = new Image()
  opt4BtnOver.src = "i/nav_people_a.gif"

  opt5BtnOut = new Image()
  opt5BtnOut.src = "i/nav_board.gif"
  opt5BtnOver = new Image()
  opt5BtnOver.src = "i/nav_board_a.gif"

  opt6BtnOut = new Image()
  opt6BtnOut.src = "i/nav_consult.gif"
  opt6BtnOver = new Image()
  opt6BtnOver.src = "i/nav_consult_a.gif"

  opt7BtnOut = new Image()
  opt7BtnOut.src = "i/nav_links.gif"
  opt7BtnOver = new Image()
  opt7BtnOver.src = "i/nav_links_a.gif"
}

function rollOver(Btn, State)
{
  if (document.images && loaded) {
    eval("tmp1 = document.images[\'"+Btn+"\'].src")
    if (tmp1.search(active_image) == -1) { // If it not active
      eval("document.images[\'"+Btn+"\'].src = "+Btn+"Btn"+State+".src")
    }
  }
}

//Show submenu
function showMenu(option, img) {
  document.getElementById("sm"+option).style.left=document.getElementById("anc"+option).offsetLeft+7;
  document.getElementById("sm"+option).style.top=document.getElementById("anc"+option).offsetTop+17;
  document.getElementById("sm"+option).style.visibility="visible";
  rollOver(img,"Over");
}

//Hide submenu
function hideMenu(option, img) {
  document.getElementById("sm"+option).style.visibility="hidden";
  rollOver(img,"Out");
}