// Codice per aprire/chiudere pagina a schermo intero
function WriteFullScreen(buttonClose, buttonFullscreen)
{
	if (window.name=='fullscreen' || window.name=='popup')
		document.write(buttonClose);
	else
		document.write(buttonFullscreen);
}

function FullScreen()
{
	var agt=navigator.userAgent.toLowerCase();
   	var is_ie   = (agt.indexOf("msie") != -1);
	var features;
	if (is_ie)
	{
	 	features="scrollbars=1,fullscreen=yes";
	}
	else
	{
		features="toolbar=0,scrollbars=1,location=0,border=0,status=0,menubar=0,";
		features=features + 'outerHeight=' + screen.availHeight + ',outerWidth=' + (screen.availWidth-2);
	}
	var w=window.open(location.href,'fullscreen',features);
	if (w!=null)
	{
		if (!is_ie && screen.availLeft!=null && screen.availTop!=null)
			w.moveTo(screen.availLeft,screen.availTop);
		w.focus();
	}
}