// MANGLE email addresses so spambots cannot harvest
// <BODY onLoad="mangle()">
// <span class="change">userid at domain dot ext</span>

function mangle() {
  if (!document.getElementsByTagName && !document.createElement &&
    !document.createTextNode) return;
  var nodes = document.getElementsByTagName("span");
  for(var i=nodes.length-1;i>=0;i--) {
    if (nodes[i].className=="change") {
      var at = /at/;
      var dot = /dot/g;
      //var address = nodes[i].firstChild.nodeValue.split(" ").join("");
      var address = nodes[i].firstChild.nodeValue;
      var node = document.createElement("a");

      address = address.replace(" at ", "@");
      address = address.replace(" dot ", ".");
      address = address.replace(" dot ", ".");
      node.setAttribute("href", "mailto:"+address);
      node.appendChild(document.createTextNode(address));

      var parent = nodes[i].parentNode;
      for(var j=0;j<parent.childNodes.length;j++)
        if (parent.childNodes[j] == nodes[i]) {
          if (!parent.replaceChild) return;
          parent.replaceChild(node, parent.childNodes[j]);
          break;
        }
    }
  }
}