rem: var index = aEvent.target.getAttribute("index"); var value = aEvent.target.value; 
add: var index = aTarget.getAttribute("index"); var value = aTarget.getAttribute("value"); 
context: function executeUrlBarHistoryCommand( aEvent )   {    var index = aEvent.target.getAttribute("index");    var value = aEvent.target.value;    if (index && value)       {        gURLBar.value = value;        BrowserLoadURL();      }  } 
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/607c1adb23ae0d49efedbfa4a22debc3000ea4f4/sessionHistoryUI.js/clean/xpfe/browser/resources/content/sessionHistoryUI.js