var seq=0;
var isNS6=((navigator.appName=='Netscape') && parseInt(navigator.appVersion)>=5);
function prev(check_foto,lingua){seq=seq-1;
var foto=(isNS6) ? document.getElementById('src_foto') : document.all.src_foto;
var prev=(isNS6) ? document.getElementById('prev') : document.all.prev;
var next=(isNS6) ? document.getElementById('next') : document.all.next;
var didascalia=(isNS6) ? document.getElementById('didascalia') : document.all.didascalia;
foto.innerHTML='<a href="/photo/'+lingua+'-'+id[seq]+'.htm"><img src="/foto/_'+id[seq]+'.jpg" height="185" border="0" /></a>';
if(seq==0) prev.style.display='none';
if(seq!=check_foto) next.style.display='';
didascalia.innerHTML=dida[seq];}
function next(check_foto,lingua){seq=seq+1;
var foto=(isNS6) ? document.getElementById('src_foto') : document.all.src_foto;
var prev=(isNS6) ? document.getElementById('prev') : document.all.prev;
var next=(isNS6) ? document.getElementById('next') : document.all.next;
var didascalia=(isNS6) ? document.getElementById('didascalia') : document.all.didascalia;
foto.innerHTML='<a href="/photo/'+lingua+'-'+id[seq]+'.htm"><img src="/foto/_'+id[seq]+'.jpg" height="185" border="0" /></a>';
if(seq!=0) prev.style.display='';
if(seq==check_foto) next.style.display='none';
didascalia.innerHTML = dida[seq];}