rem: messenger.loadURL(window, button.getAttribute('url')); 
add: messenger.launchExternalURL(button.getAttribute('url')); 
context: function MapIt(id){  var button = document.getElementById(id);  try {    var messenger = Components.classes["@mozilla.org/messenger;1"].createInstance();    messenger = messenger.QueryInterface(Components.interfaces.nsIMessenger);    messenger.loadURL(window, button.getAttribute('url'));    } catch (ex) {}}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/ba51e41b2241f777489d3d575d290f915a42ce77/abCardViewOverlay.js/clean/mail/components/addrbook/content/abCardViewOverlay.js