function checkMandatory(oField, sMessage) {
        if ("" == oField.value) {
          alert(sMessage);
          oField.focus();
          return false;
        }
        return true;
     }

     function doSubmit() {
        var oForm = document.subscribe;
        if (!checkMandatory(oForm.operator, "You must enter the Operator Name")) {
          return false;
        }
        if (!checkMandatory(oForm.company, "You must enter your Company Name")) {
          return false;
        }
        if (!checkMandatory(oForm.streetAddress, "You must enter your Street Address")) {
          return false;
        }
        if (!checkMandatory(oForm.cityState, "You must enter your City and State")) {
          return false;
        }
        if (!checkMandatory(oForm.zip, "You must enter your Zip code")) {
          return false;
        }
        if (!checkMandatory(oForm.dayPhone, "You must enter your Daytime Phone Number")) {
          return false;
        }
	return true;
		
}