add: dump('****** returning null 3\n'); 
context:   function enclosingLink(node)  {    while (node)    {      var nodeName = node.localName;      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: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/fbbd682a7c9c8a325ded8934f8f1d60e4c639e18/navigator.js/clean/suite/browser/navigator.js