function foto(s,i){
//var w=open(s+"foto.html","popupfoto","toolbar=no,status=no,menubar=no,scrollbars=yes"
//+",resizable=no,location=no,directories=no,width=500,height=400");
if (!i) i = 0;
var p = i -1;
var n = i + 1;
var m = 6; //numero max di foto
if (s=='757' || s=='607open' || s=='dolphin21') m=6;
else if (s=='607wa' || s=='737wa') m=4;
else if (s=='647open') m=3;
else m=5;
var foto = 'foto_'+s+'_'+i+'.jpg';
var wy = 400;
var wx = 700;
var w = window.open("",s,"toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizable=0,copyhistory=0,width="+wx+",height="+wy+",screenX=10,screenY=10");
w.focus();
w.document.write(
"" +
""+s+"" +
""
);
html = "" +
"![foto "+ s +"](../fotomodelli/"+ foto +")
" +
"" +
(p >= 0 ? "
< " : " ") +
(n <= m ? "
>" : " ") +
"