var onImgs = new Array();
onImgs['top_logo'] = new Image();
onImgs['top_home'] = new Image();
onImgs['top_used'] = new Image();
onImgs['top_about'] = new Image();
onImgs['top_directions'] = new Image();
onImgs['top_contact'] = new Image();
onImgs['top_logo'].src = '/img/fr/top_menu_03.gif';
onImgs['top_home'].src = '/img/fr/top_menu_04_on.gif';
onImgs['top_used'].src = '/img/fr/top_menu_05_on.gif';
onImgs['top_about'].src = '/img/fr/top_menu_06_on.gif';
onImgs['top_directions'].src = '/img/fr/top_menu_07_on.gif';
onImgs['top_contact'].src = '/img/fr/top_menu_08_on.gif';

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_logo'] = new Image();
offImgs['top_home'] = new Image();
offImgs['top_used'] = new Image();
offImgs['top_about'] = new Image();
offImgs['top_directions'] = new Image();
offImgs['top_contact'] = new Image();
offImgs['top_logo'].src = '/img/fr/top_menu_03.gif';
offImgs['top_home'].src = '/img/fr/top_menu_04_off.gif';
offImgs['top_used'].src = '/img/fr/top_menu_05_off.gif';
offImgs['top_about'].src = '/img/fr/top_menu_06_off.gif';
offImgs['top_directions'].src = '/img/fr/top_menu_07_off.gif';
offImgs['top_contact'].src = '/img/fr/top_menu_08_off.gif';

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