ecco il codice dimmi se ti va bene
Codice PHP:
 <head>
<script language="JavaScript">
function fullscreen()
{
  document.write('<form><input type="button" value="Fullscreen"
  onclick="window.open(\'Pagina_da_aprire.html\',\'\',\'fullscreen,scrollbars=yes\');return(false)">');
}
</script>
</head>
<body>
<script language="JavaScript">fullscreen()</script>