uris=new Array('attica-map.html','ethniki.html','isap-kifissia-map.html','isap-kat-map.html', 'ethniki-airport.html', 'ethniki-port.html');
width=640;
height=630;
function openinnew() {
indexn=document.navform.navbox.selectedIndex;
newwin=window.open(uris[indexn], name, 'width=' + width + ',height=' + height +', left=20,top=50,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1') 
}
function openinsame() {
indexn=document.navform.navbox.selectedIndex;
document.location.href=uris[indexn];
}