function switchTab(on, off, onPrefix, offPrefix) {
var divOn = document.getElementById(on);
var divOff = document.getElementById(off);
var tabOn = document.getElementById(on+"Tab");
var tabOff = document.getElementById(off+"Tab");
var radioOn = document.getElementById(on+"Radio");
var radioOff = document.getElementById(off+"Radio");

tabOn.className = "selected";
tabOff.className = "deselected";
divOn.style.display = '';
divOff.style.display = 'none';
radioOn.checked = true;
radioOff.checked = false;
}