fullscreen

[Closer]

der scriptteil:

<script type="text/javascript">

if(navigator.appName == "Microsoft Internet Explorer"){
 Fenster1 = window.open("photovoltaikrechner.html", "Zweitfenster", "width=1040 height=850");
 Fenster1.focus();
}else{ Fenster1 = window.open("photovoltaikrechner.html", "Zweitfenster", "fullscreen=yes");
     Fenster1.focus();
}

function zurück() {
if(navigator.appName == "Microsoft Internet Explorer"){
  Fenster1 = window.open("photovoltaikrechner.html", "Zweitfenster", "width=1040 height=850");
   Fenster1.focus();
 } else {
 Fenster1 = window.open("photovoltaikrechner.html", "Zweitfenster", "fullscreen=yes");
     Fenster1.focus();
}

}

</script>