rem: if (emailAddressNode) 
add: var fields = Components.classes["@mozilla.org/messengercompose/composefields;1"].createInstance(Components.interfaces.nsIMsgCompFields); var params = Components.classes["@mozilla.org/messengercompose/composeparams;1"].createInstance(Components.interfaces.nsIMsgComposeParams); if (emailAddressNode && fields && params) 
context: function SendMailToNode(emailAddressNode){  if (emailAddressNode)  {     var emailAddress = emailAddressNode.getAttribute("emailAddress");     if (emailAddress)        messenger.OpenURL("mailto:" + emailAddress );  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/cf1c5d07bf4a371812b42251724b3308dc610c0b/msgHdrViewOverlay.js/clean/mailnews/base/resources/content/msgHdrViewOverlay.js