var imageArr = new Array( 
                          "menui", "images/menu/menu-firkant.gif",
                          "menuo", "images/menu/menu-firkant1.gif"
                        );
preload(imageArr);

var hideArr = new Array(0,3);

function m_over(menuid) {
  for (var i=1; i<=5; i++) {
    if (i != menuid) changeImage(null,'menu'+i,'menui');
  }
  changeImage(null,'menu'+menuid,'menuo');
  if (in_array(hideArr,menuid)) {
    if (HM_DOM) {
      for (var i=0; i<3; i++) {
        var hidehack = document.getElementById('layer' + i);
        if (hidehack != null) hidehack.style.visibility = 'hidden';
      }
    } else if (HM_IE4) {
      for (var i=0; i<3; i++) {
        var hidehack = document.all('layer' + i);
        if (hidehack != null) hidehack.style.visibility = 'hidden';
      }
    } else if (HM_NS4) {
      for (var i=0; i<3; i++) {
        if (typeof document.layers['layer' + i]!="undefined") {
          document.layers['layer' + i].visibility = 'hide';
        }  
      }
    }
  }
}

function m_out(menuid) {
  changeImage(null,'menu'+menuid,'menui');
  if (selected > 0) changeImage(null,'menu'+selected,'menuo');
  if (HM_DOM) {
    for (var i=0; i<3; i++) {
      var hidehack = document.getElementById('layer' + i);
      if (hidehack != null) hidehack.style.visibility = 'visible';
    }
  } else if (HM_IE4) {
    for (var i=0; i<3; i++) {
      var hidehack = document.all('layer' + i);
      if (hidehack != null) hidehack.style.visibility = 'visible';
    }
  } else if (HM_NS4) {
    for (var i=0; i<3; i++) {
      if (typeof document.layers['layer' + i]!="undefined") {
        document.layers['layer' + i].visibility = 'show';
      }  
    }
  }
}