function CheckForm() {
  var retVal = true;
  if (frmEtw.firstName.value == "") {
      alert("Please enter your first name");
      frmEtw.firstName.focus();
      retVal = false;
  } else if (frmEtw.lastName.value == "") {
      alert("Please enter your last name");
      frmEtw.lastName.focus();
      retVal = false;
  } else if (frmEtw.email.value == "") {
      alert("Please enter your e-mail address");
      frmEtw.email.focus();
      retVal = false;
  } else if (!ValidEmail(frmEtw.email.value)) {
      alert("Please enter a valid e-mail address");
      frmEtw.email.focus();
      retVal = false;       
  } else if (frmEtw.state.selectedIndex==0) {
      alert("Please select your state");
      frmEtw.state.focus();
      retVal = false;
  } else if (frmEtw.zipCode.value == "") {
      alert("Please enter your zip code");
      frmEtw.zipCode.focus();
      retVal = false;
  } else if (frmEtw.zipCode.value.length < 5) {
      alert("Please enter your entire zip code");
      frmEtw.zipCode.focus();
      retVal = false;       
  } else if (frmEtw.braSize.value == "") {
      alert("Please select your bra size");
      frmEtw.braSize.focus();
      retVal = false;
  } else if (frmEtw.iAgree.checked == false) {
      alert("You must agree to the giveaway rules.");
      frmEtw.iAgree.focus();
      retVal = false;
  } 
  return retVal;
}