var about = new Image();
about.src='../img_az/menuAbout.gif';
var aboutsel = new Image();
aboutsel.src='../img_az/menuSelAbout.gif';

var services = new Image();
services.src='../img_az/menuServices.gif';
var servicessel = new Image();
servicessel.src='../img_az/menuSelServices.gif';

var projects = new Image();
projects.src='../img_az/menuProjects.gif';
var projectssel = new Image();
projectssel.src='../img_az/menuSelProjects.gif';

var who = new Image();
who.src='../img_az/menuWho.gif';
var whosel = new Image();
whosel.src='../img_az/menuSelWho.gif';

var contact = new Image();
contact.src='../img_az/menuContacts.gif';
var contactsel = new Image();
contactsel.src='../img_az/menuSelContacts.gif';

var dost = new Image();
dost.src='../img_az/menuDost.gif';
var dostsel = new Image();
dostsel.src='../img_az/menuSelDost.gif';

function menu(Id,Id2) {
document.images[Id].src=eval(Id2+'.src');
}