function nav(b) {
	isB = b.id;
	if (isB == "b9"){
		//location.href="http://wustl.edu";
		top.location = "http://wustl.edu";
	}
	else {
		isNum = isB.charAt(1);
		//location.href="../?page="+isNum;
		top.location = "../../?page="+isNum;
	}
}