var manuali
	
    function apriManuali(){
		if (manuali != null) {
			if (!manuali.closed) {
				window.parent.manuali.close();
			}	
		}	
		w = 740
		h = 580
		X = (screen.width-w)/2;
		Y = (screen.height-h)/2;
		manuali = window.open('/supporto/dmanualilogin.aspx','manuali','scrollbars=yes,resizable=yes,width=' + w +',height=' + h + ',status=no,location=no,toolbar=no,top=' + Y + ',left=' + X);		
		return;
	}