news = new Image();
  news.src = './images/news.gif';
  news_over = new Image();
  news_over.src = './images/news_over.gif';
  news_click = new Image();
  news_click.src = '/images/news_click.gif';
  intro = new Image();
  intro.src = './images/intro.gif';
  intro_over = new Image();
  intro_over.src = './images/intro_over.gif';
  intro_click = new Image();
  intro_click.src = './images/intro_click.gif';
  doc = new Image();
  doc.src = './images/doc.gif';
  doc_over = new Image();
  doc_over.src = './images/doc_over.gif';
  doc_click = new Image();
  doc_click.src = './images/doc_click.gif';
  dl = new Image();
  dl.src = './images/dl.gif';
  dl_over = new Image();
  dl_over.src = './images/dl_over.gif';
  dl_click = new Image();
  dl_click.src = './images/dl_click.gif';
  contact = new Image();
  contact.src = './images/contact.gif';
  contact_over = new Image();
  contact_over.src = './images/contact_over.gif';
  contact_click = new Image();
  contact_click.src = './images/contact_click.gif';
  links = new Image();
  links.src = './images/links.gif';
  links_over = new Image();
  links_over.src = './images/links_over.gif';
  links_click = new Image();
  links_click.src = './images/links_click.gif';