don't need anymore this file, use xul file instance

<?xml version="1.0"?> 

<?xml-stylesheet href="xul.css" type="text/css"?> 

<!DOCTYPE window> 

<xul:window xmlns:html="http://www.w3.org/TR/REC-html40"

            xmlns:xul ="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> 

  <html:script language="JavaScript">

  var appCore = null;

  function StartUp()

  {

    appCore = XPAppCoresManager.Find("ComposeAppCore");  

    if (appCore==null) {

      appCore = new ComposeAppCore();

      if (appCore != null) {

	    dump("ComposeAppCore was created!\n");

        appCore.Init("ComposeAppCore");

	    appCore.SetWindow(window);

	    appCore.CompleteCallback("MessageSent();");

      }

    }

  }

  function SendMessage()

  {

    dump("SendMessage!\n");

    if (appCore != null) {

	  dump("Mail was sent!\n");

	  appCore.SendMessage(window.parent.frames[1].document.forms[0].elements[1].value, 

	                   window.parent.frames[1].document.forms[0].elements[2].value, 

					   window.parent.frames[1].document.forms[0].elements[4].value);

    }

  }

  function MessageSent()

  {

    dump("MessageSent Callback!\n");

    // Clear Them

    window.parent.frames[1].document.forms[0].elements[1].value = "";

    window.parent.frames[1].document.forms[0].elements[2].value = "";

    window.parent.frames[1].document.forms[0].elements[4].value = "";

	window.close();

  }

  </html:script>

  <xul:commands>

    <xul:command name="nsCmd:StartUp" onCommand="StartUp();"/>

    <xul:command name="nsCmd:MailSendMsg" onCommand="SendMessage();"/>

  </xul:commands>

  <xul:toolbox> 

    <xul:toolbar>

          <html:button cmd="nsCmd:MailSendMsg" style="background-color:rgb(192,192,192);">

                          <html:img src="resource:/res/toolbar/Mail_SendMsg.gif"/><html:br/>Send

          </html:button>

          <html:button cmd="nsCmd:MailGetMsg" style="background-color:rgb(192,192,192);">

                          <html:img src="resource:/res/toolbar/Mail_GetMsg.gif"/><html:br/>GetMsg

          </html:button>

          <html:button cmd="nsCmd:MailNewMsg" style="background-color:rgb(192,192,192);">

                          <html:img src="resource:/res/toolbar/Mail_NewMsg.gif"/><html:br/>New Msg

          </html:button>

          <html:button cmd="nsCmd:MailReply" style="background-color:rgb(192,192,192);">

                          <html:img src="resource:/res/toolbar/Mail_Reply.gif"/><html:br/>Reply

          </html:button>

          <html:button cmd="nsCmd:MailForward" style="background-color:rgb(192,192,192);">

                          <html:img src="resource:/res/toolbar/Mail_Forward.gif"/><html:br/>Forward

          </html:button>

          <html:button cmd="nsCmd:BrowserPrint" style="background-color:rgb(192,192,192);">

                          <html:img src="resource:/res/toolbar/TB_Print.gif"/><html:br/>Print

          </html:button>

          <html:a style="position:relative; direction:rtl; right:3; top: 2px;" href="http://www.netscape.com">

                  <html:img alt="Throbber!" border=0 src="resource:/res/throbber/anims00.gif"/>

          </html:a>

    </xul:toolbar>

    <xul:toolbar>

		<html:form>

    	<html:select style="width:200px;">

		<html:option>INBOX</html:option>

		</html:select>

		</html:form>

    </xul:toolbox>

  </xul:toolbox>

</xul:window>