  onProgress: function (aAddon, aValue, aMaxValue)  {    var element = this.getElementForAddon(aAddon);    if (!element) return;    var percent = Math.round((aValue / aMaxValue) * 100);    if (percent > 1 && !(aAddon.xpiURL in this._urls))      this._urls[aAddon.xpiURL] = true;        var KBProgress = parseInt(aValue/1024 + .5);    var KBTotal = parseInt(aMaxValue/1024 + .5);    var statusPrevious = element.getAttribute("status");    var statusCurrent = this._formatKBytes(KBProgress, KBTotal);    if (statusCurrent != statusPrevious)      element.setAttribute("status", statusCurrent);  },
5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5459/79d7684915e26086e9a0d43a9228017a3c9e2689/extensions.js/clean/toolkit/mozapps/extensions/content/extensions.js