// set global email constants
  var NAME = 0;
  var DOMAIN = 1;
  var DISPLAY = 2;

  var winEmail = null;  // set global variable to prevent undefined error

  function PopEmail(AccountName, AccountDomain, SubjectLine, FullName)
  {

    var EmailAddress = "";
    var LPointyBracket = "<";
    var RPointyBracket = ">";

    if(SubjectLine  == null)
    {
      SubjectLine = "";
    }

    if(FullName  == null)
    {
      FullName = "";
    }
    else
    {
      LPointyBracket = " <";
    }

    EmailAddress = "mailto:" + FullName + LPointyBracket + AccountName + "@" + AccountDomain + RPointyBracket + "?SUBJECT=" + SubjectLine;

    winEmail = window.open(EmailAddress, "LaunchEmail");

    if(winEmail != null)
    {
      if(winEmail.open)
      {
        if(!winEmail.closed)
        {
          winEmail.close();
        }
      }
    }

    return
  }