rem: for (var i = popup.childNodes.length - 1; i >= 0; i--) popup.removeChild(popup.childNodes[i]); 
add: while (popup.hasChildNodes()) popup.removeChild(popup.lastChild); 
context: function ClearIdentityListPopup(popup){  if (popup)    for (var i = popup.childNodes.length - 1; i >= 0; i--)      popup.removeChild(popup.childNodes[i]);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4cba32786bcfe8ed3d92ee412e77e5d20b45181e/MsgComposeCommands.js/buggy/mail/components/compose/content/MsgComposeCommands.js