rem:  gRunFiltersButton.setAttribute("label", gRunFiltersButton.getAttribute("runlabel")); gRunFiltersButton.setAttribute("accesskey", gRunFiltersButton.getAttribute("runaccesskey")); gStatusBar.setAttribute("mode", "normal"); 
add: try {  gRunFiltersButton.setAttribute("label", gRunFiltersButton.getAttribute("runlabel")); gRunFiltersButton.setAttribute("accesskey", gRunFiltersButton.getAttribute("runaccesskey")); gStatusBar.setAttribute("mode", "normal"); } catch (ex) {  } 
context: 	stopMeteors: function()   {    // change run button to be a stop button    gRunFiltersButton.setAttribute("label", gRunFiltersButton.getAttribute("runlabel"));    gRunFiltersButton.setAttribute("accesskey", gRunFiltersButton.getAttribute("runaccesskey"));    gStatusBar.setAttribute("mode", "normal");  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/dcfc0a011478b301c9b46e7c7af875fbc2b837aa/FilterListDialog.js/buggy/mailnews/base/search/resources/content/FilterListDialog.js