add:  this.overLink = ""; 
context:   setOverLink : function(link, b)  {    this.overLink = link;    this.updateStatusField();  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/7c2b0dcff98e94c8df873cefcc1ae5affa03f19a/navigator.js/buggy/xpfe/browser/resources/content/navigator.js