function changeInfo(subnav, passive, active ) {
	for(i=1;i<10;i++) {
		document.getElementById('subnav'+i).style.display = "none";
		document.getElementById('passive'+i).className = "display_yes";
		document.getElementById('active'+i).className = "display_no";
	}
	document.getElementById(subnav).style.display = "block";
	document.getElementById(passive).className = "display_no";
	document.getElementById(active).className = "display_yes";
}