preload('ciao_up','images/mnav-ciao-up.gif');
preload('ciao_over','images/mnav-ciao-over.gif');
preload('galleries_up','images/mnav-galleries-up.gif');
preload('galleries_over','images/mnav-galleries-over.gif');
preload('studio_up','images/mnav-studio-up.gif');
preload('studio_over','images/mnav-studio-over.gif');
preload('artist_up','images/mnav-artist-up.gif');
preload('artist_over','images/mnav-artist-over.gif');
preload('news_up','images/mnav-news-up.gif');
preload('news_over','images/mnav-news-over.gif');
preload('portrait_up','images/mnav-portrait-up.gif');
preload('portrait_over','images/mnav-portrait-over.gif');
preload('contact_up','images/mnav-contact-up.gif');
preload('contact_over','images/mnav-contact-over.gif');

function preload(imgObj,imgSrc){
  if(document.images) {
    eval(imgObj+' = new Image()');
    eval(imgObj+'.src = "'+imgSrc+'"');
  }
}

function changeImage(layer,imgName,imgObj){
    if(document.layers && layer!=null) eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgObj+'.src');
    else document.images[imgName].src = eval(imgObj+".src");
}