<HEAD>

<SCRIPT LANGUAGE="JavaScript">

<!-- Begin
function checkCheckBox(f){
if (f.agree.checked == false )
{
alert('Please check the box to continue.');
return false;
}else
return true;
}
//  End -->
</script>

</HEAD>

<BODY>

<form action="/yourscript.cgi-or-your-page.html" method="POST" onsubmit="return checkCheckBox(this)">
I accept: <input type="checkbox" value="0" name="agree">
<input type="submit" value="Continue Order">
<input type="button" value="Exit" onclick="document.location.href='/index.html';">
</form>

<p><center>
<font face="arial, helvetica" size"-2">Happy Codings :-) JavaScript Code Examples<br>
by <a href="http://javascript.happycodings.com/">Happy Codings :-) JavaScript Code Examples</a></font>
</center><p>
