"Validation" Form

<FORM
  NAME="vForm"
  METHOD="POST"
  ACTION="mailto.cgi"
  onSubmit="return ValidateInput(this)">
     First Name: <INPUT TYPE="text" NAME="First">
     Last Name: <INPUT TYPE="text" NAME="Last">
     Address: <INPUT TYPE="text" NAME="Address1">
     Address (Use this second line, if needed): <INPUT TYPE="text" NAME="Address2">
     City: <INPUT TYPE="text" NAME="City">
     State or Province: <INPUT TYPE="text" NAME="State">
     Postal Code: <INPUT TYPE="text" NAME="Postal">
     Age:<INPUT TYPE="text" NAME="Age">
     Income:
     <SELECT NAME="Income">
          <OPTION VALUE="0"></OPTION>
          <OPTION VALUE="00_15">less than $15,000</OPTION>
          <OPTION VALUE="15_20">$15,000 - $20,000</OPTION>
          <OPTION VALUE="20_30">$20,000 - $30,000</OPTION>
          <OPTION VALUE="30_40">$30,000 - $40,000</OPTION>
          <OPTION VALUE="40_60">$40,000 - $60,000</OPTION>
          <OPTION VALUE="60_up">more than $60,000</OPTION>
     </SELECT>
     Female: <INPUT TYPE="radio" NAME="Sex" VALUE="F">
     Male: <INPUT TYPE="radio" NAME="Sex" VALUE="M">
    <INPUT TYPE="SUBMIT" NAME="Submit"><INPUT TYPE="RESET">
</FORM>