rem: if (aEvent.keyCode == 27) 
add: var filter = document.getElementById("filter").value; if (aEvent.keyCode == 27 && filter != "") 
context:   onFilterKeyPress: function (aEvent)  {    if (aEvent.keyCode == 27) // ESC key      this.clearFilter();  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/7c2fa7a818b8d5044297386905f3f88af3d3ffcb/cookies.js/clean/browser/components/preferences/cookies.js