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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/ea0a19bbff318452a3dd971a2d778d5c35d82b4a/calendar.js/clean/calendar/resources/content/calendar.js