rem: if (applicationName == "Mozilla" || applicationName == "Firebird") 
add: var applicationName = navigator.vendor; if (applicationName == "Mozilla" || applicationName == "Firebird" || applicationName == "") 
context: function launchPreferences(){    if (applicationName == "Mozilla" || applicationName == "Firebird")        goPreferences( "calendarPanel", "chrome://calendar/content/pref/calendarPref.xul", "calendarPanel" );    else        window.openDialog("chrome://calendar/content/pref/prefBird.xul", "PrefWindow", "chrome,titlebar,resizable,modal");}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/b83b9c785c3c5dd8ae7c87f79f09a1ca6af14029/calendar.js/clean/calendar/resources/content/calendar.js