rem: var nodeName = node.nodeName; 
add: var nodeName = node.localName; 
context:   function enclosingLink(node)  {    while (node)    {      var nodeName = node.nodeName;      if (nodeName == "")        return null;      nodeName = nodeName.toLowerCase();      if (nodeName == "" || nodeName == "body"          || nodeName == "html" || nodeName == "#document")        return null;      var href = node.href;      if (nodeName == "a" && href != "")        return node;      node = node.parentNode;    }    return null;  }
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/e04f552571170c9a088744af40192e5d77d074d6/navigator.js/buggy/suite/browser/navigator.js