function info()
{
 MeinFenster1 =
 window.open("info.html", "ZweitFenster", "width=400,height=400,scrollbars");
 MeinFenster1.focus();
}

function trees5()
{
 MeinFenster5 =
 window.open("trees5.html", "ZweitFenster", "width=400,height=480,scrollbars");
 MeinFenster5.focus();
}
function trees10()
{
 MeinFenster10 =
 window.open("trees10.html", "ZweitFenster", "width=400,height=480,scrollbars");
 MeinFenster10.focus();
}
function trees20()
{
 MeinFenster20 =
 window.open("trees20.html", "ZweitFenster", "width=400,height=480,scrollbars");
 MeinFenster20.focus();
}
function trees50()
{
 MeinFenster50 =
 window.open("trees50.html", "ZweitFenster", "width=400,height=480,scrollbars");
 MeinFenster50.focus();
}
function trees100()
{
 MeinFenster100 =
 window.open("trees100.html", "ZweitFenster", "width=400,height=480,scrollbars");
 MeinFenster100.focus();
}