var news = new Image();
news.src = '/images/menu_news.gif';
var news_active = new Image();
news_active.src = '/images/menu_news_active.gif';

var about = new Image();
about.src = '/images/menu_about.gif';
var about_active = new Image();
about_active.src = '/images/menu_about_active.gif';

var catalogue = new Image();
catalogue.src = '/images/menu_catalogue.gif';
var catalogue_active = new Image();
catalogue_active.src = '/images/menu_catalogue_active.gif';

var opt = new Image();
opt.src = '/images/menu_opt.gif';
var opt_active = new Image();
opt_active.src = '/images/menu_opt_active.gif';

var contacts = new Image();
contacts.src = '/images/menu_contacts.gif';
var contacts_active = new Image();
contacts_active.src = '/images/menu_contacts_active.gif';

function mover(item)
{
  document.getElementById(item).src = eval(item+"_active.src");
}

function mout(item)
{
  document.getElementById(item).src = eval(item+".src");
}