<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.js"></script>
<script>
// Schermo intero
$(document).ready(function(){
$("#tasto-fs").on("click", function()
{
document.fullScreenElement && null !==
document.fullScreenElement ||
!document.mozFullScreen &&
!document.webkitIsFullScreen ?
document.documentElement.requestFullScreen ?
document.documentElement.requestFullScreen() :
document.documentElement.mozRequestFullScreen ?
document.documentElement.mozRequestFullScreen() :
document.documentElement.webkitRequestFullScreen &&
document.documentElement.webkitRequestFullScreen
(Element.ALLOW_KEYBOARD_INPUT) :
document.cancelFullScreen ? document.cancelFullScreen() :
document.mozCancelFullScreen ?
document.mozCancelFullScreen() :
document.webkitCancelFullScreen &&
document.webkitCancelFullScreen();
});
});
</script>
<button id="tasto-fs">Schermo intero</button>