make links clickable

gistfile1.js

  makeLinksClickable: function(elem) {
    var children = elem.childNodes;
    var length = children.length;

    for (var i=0; i < length; i++) {
      var node = children[i];
      if (node.nodeName == "#text" && node.nodeValue.match(Alice.RE.url)) {
        var span = new Element("SPAN");
        span.innerHTML = node.nodeValue.replace(
          Alice.RE.url, '<a href="$1" target="_blank" rel="noreferrer">$1</a>');
        node.parentNode.replaceChild(span, node);
      }
      else {
        Alice.makeLinksClickable(node);
      }
    }
  },