If you would like to link your web site to checkdomain.co.za so your customers can search for available domain names, and when a domain name is available, they can click on a link to go back to your web site so you can register the domain name for them, simply add the following HTML to your web page:

<FORM ACTION="http://www.checkdomain.co.za/whois.asp" METHOD="post">
    <CENTER>
        Check this domain:
        <INPUT TYPE="TEXT" NAME="Domain" SIZE="15">
		<SELECT NAME="Suffix">
			<option value=".co.za" SELECTED>.co.za</option>
			<option value=".com">.com</option>
			<option value=".info">.info</option>
			<option value=".net">.net</option>
			<option value=".org">.org</option>
		</SELECT>
        <INPUT TYPE="SUBMIT" VALUE="Search">
        <INPUT TYPE="HIDDEN" NAME="RefererName" VALUE="Your Name">
        <INPUT TYPE="HIDDEN" NAME="RegisterURL" VALUE="http://www.YourURL.co.za/">
    </CENTER>
</FORM>