rem: bucketTree.selectItem(bucketList.firstChild); 
add: bucketList.selectItem(bucketList.firstChild); 
context: function FocusOnFirstAttachment(){  var bucketList = document.getElementById("attachmentBucket");  if (bucketList && bucketList.hasChildNodes())    bucketTree.selectItem(bucketList.firstChild);}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/438134b2655f6b409353c896bdebe4cc52d92659/MsgComposeCommands.js/clean/mailnews/compose/resources/content/MsgComposeCommands.js