add:    document.removeEventListener("load", ltnOnLoad, true); 
context: function ltnOnLoad(event){    gMiniMonthLoading = true;    var today = new Date();    var nextmo = nextMonth(today);    document.getElementById("ltnMinimonthLeft").value = today;    document.getElementById("ltnMinimonthRight").showMonth(nextmo);    gMiniMonthLoading = false;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/e7b8e63ede7dac09dd0d24d14482c124e03a30f6/messenger-overlay-sidebar.js/clean/calendar/lightning/content/messenger-overlay-sidebar.js