reEmail = /^\w+((-\w+)|(\.\w+))*\@\w+((\.|-)\w+)*\.\w+$/;
reAnything = /./;

function chkField(frmElmnt, reRE, sName, sMsg, bReq) {
  sData = frmElmnt.value;
  if ((bReq == false) && (sData == "")) return true;
  else {
    if (sData == "") {
      alert(sName);
      frmElmnt.focus();
      return false;
    } else {
      if (reRE.test(sData)) {
        return true;
      } else {
        alert(sMsg);
        frmElmnt.focus();
        return false;
      }
    }
  }
}