observe: function (aSubject, aTopic, aData) 
observe: function (aSubject, aTopic, aData) 
  observe: function (aSubject, aTopic, aData)   {    switch (aTopic) {      case "xpinstall-download-started":        showView("installs");        var params = aSubject.QueryInterface(Components.interfaces.nsISupportsArray);        var paramBlock = params.GetElementAt(0).QueryInterface(Components.interfaces.nsISupportsInterfacePointer);        paramBlock = paramBlock.data.QueryInterface(Components.interfaces.nsIDialogParamBlock);        this.addDownloads(paramBlock);        break;    }  },
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/79d7684915e26086e9a0d43a9228017a3c9e2689/extensions.js/clean/toolkit/mozapps/extensions/content/extensions.js