var onImgs = new Array();
onImgs['top_04'] = new Image();
onImgs['top_04a'] = new Image();
onImgs['top_05'] = new Image();
onImgs['top_04'].src = '/img/fr/top_04_on.jpg';
onImgs['top_04a'].src = '/img/fr/top_04a_on.jpg';
onImgs['top_05'].src = '/img/fr/top_05_on.jpg';

onImgs['nav_03'] = new Image();
onImgs['nav_04'] = new Image();
onImgs['nav_05'] = new Image();
onImgs['nav_06'] = new Image();
onImgs['nav_07'] = new Image();
onImgs['nav_03'].src = '/img/fr/nav_03_on.jpg';
onImgs['nav_04'].src = '/img/fr/nav_04_on.jpg';
onImgs['nav_05'].src = '/img/fr/nav_05_on.jpg';
onImgs['nav_06'].src = '/img/fr/nav_06_on.jpg';
onImgs['nav_07'].src = '/img/fr/nav_07_on.jpg';

function imgOn(imgName){
  if (document.images){
    document.images[imgName].style.cursor = 'pointer';
    document.images[imgName].src = onImgs[imgName].src;
  }
}

var offImgs = new Array();
offImgs['top_04'] = new Image();
offImgs['top_04a'] = new Image();
offImgs['top_05'] = new Image();
offImgs['top_04'].src = '/img/fr/top_04.jpg';
offImgs['top_04a'].src = '/img/fr/top_04a.jpg';
offImgs['top_05'].src = '/img/fr/top_05.jpg';

offImgs['nav_03'] = new Image();
offImgs['nav_04'] = new Image();
offImgs['nav_05'] = new Image();
offImgs['nav_06'] = new Image();
offImgs['nav_07'] = new Image();
offImgs['nav_03'].src = '/img/fr/nav_03.jpg';
offImgs['nav_04'].src = '/img/fr/nav_04.jpg';
offImgs['nav_05'].src = '/img/fr/nav_05.jpg';
offImgs['nav_06'].src = '/img/fr/nav_06.jpg';
offImgs['nav_07'].src = '/img/fr/nav_07.jpg';

function imgOff(imgName){
  if (document.images){
    document.images[imgName].style.cursor = 'pointer';
    document.images[imgName].src = offImgs[imgName].src;
  }
}