rem: if (!cp) 
add: if (!cp) 
context:   onWizardNext: function() {    var cp = document.documentElement.currentPage;    if (!cp)        return;    var pageid = cp.pageid;    if ("onWizardNext" in this._pages[pageid])      this._pages[pageid].onWizardNext();  },
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/c638d38804a8a1b23aaee5ccd66bb42aad5a242e/updates.js/clean/toolkit/mozapps/update/content/updates.js