rem: var pageid = document.documentElement.currentPage.pageid; if ("onWizardCancel" in this._pages[pageid]) this._pages[pageid].onWizardCancel(); 
add: try {  if (this._updateMoreInfoContent) this._updateMoreInfoContent.stopDownloading(); } catch (ex) { dump("XXX _updateMoreInfoContent.stopDownloading() failed: " + ex + "\n"); } 
context:   onWizardCancel: function() {    var pageid = document.documentElement.currentPage.pageid;    if ("onWizardCancel" in this._pages[pageid])      this._pages[pageid].onWizardCancel();  },
meta: 7628	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/7628/fe39fd9d3ad2c1c00fb1c62f4bae09baa4e91270/updates.js/clean/content/updates.js