function hoverOver(e, img) {
  var img = document.getElementById(e.id).src = 'Images/' + img;
}
function hoverOut(e, img) {
  var img = document.getElementById(e.id).src = 'Images/' + img;
}

function emailLink(s) {
  if (arguments.length == 1) {
    document.write('<a href="mailto:' + s + '@gotrmc.org">' + s + '@gotrmc.org</a>');
  } else if (arguments.length == 2) {
    document.write('<a href="mailto:' + s + '@gotrmc.org">' + arguments[1] + '</a>');
  }
}