// Navigation Javascript
sfHover = function() {
  var sfEls = document.getElementById("nav").getElementsByTagName("LI");
  for (var i = 0; i < sfEls.length; i++) {
    sfEls[i].onmouseover = function() {
      this.className += " sfhover";
    }
    sfEls[i].onmouseout = function() {
      this.className = this.className.replace(new RegExp(" sfhover\\b"), "");
    }
  }
}
//if (window.attachEvent) window.attachEvent("onload", sfHover);

// JS for Swapping Images
function changeimages() {
  if (document.images) {
    for (var i = 0; i < changeimages.arguments.length; i += 2) {
      document[changeimages.arguments[i]].src = changeimages.arguments[i + 1];
    }
  }
}