add: updateHomePageButtons(); 
context: function setHomePageToCurrentPage(){  var windowManager = Components.classes[WINDOWMEDIATOR_CONTRACTID]                                .getService(nsIWindowMediator);  var browserWindow = windowManager.getMostRecentWindow("navigator:browser");  if (browserWindow) {    var browser = browserWindow.document.getElementById("content");    var url = browser.webNavigation.currentURI.spec;    if (url) {      var homePageField = document.getElementById("browserStartupHomepage");      homePageField.value = url;    }  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/1c0ae7353ebdde68ac9f17476f5401d47c7d462b/pref-navigator.js/buggy/suite/common/pref/pref-navigator.js