function myfullscreen(){
	var ancho=screen.availWidth;
	var alto=screen.availHeight;
	var ventana = window.open('index.htm','window','width='+ancho+',height='+alto+',toolbar=no,location=no,directories=no,status=no,menubar=no, scrollbars=no,resizable=no,copyhistory=no,left='+(0)+',top='+(0));
	ventana.focus();
}