how do I validate a radio buton "yes or no" with Javascript.

I have a form with about 12 yes or no questions. here’s question 1 for example:

[code=php]<tr><td valign=top><i>1</i></td><td valign=top><i>Are there any judgments against you?</i>
<br></td>
<td align=center valign=top><input type=radio name=”L230″ value=”Y”></td>
<td align=center valign=top><input type=radio name=”L230″ value=”N”></td>
</tr>[/code]

So the viewer can choose either yes, “Y” or no, “N”

I’ve tried the following but it doesn’t work

[code=php]if(document.lion1003.L230.value = “”)
{
alert(‘Please answer question 1’);
document.lion1003.L230.focus();
return false;
}[/code]

The submit button is as follows:
Thanks

[code=php]<form action=caddress.php name=lion1003 method=post onSubmit=”return DataValSubmit(‘declaration’)”>[/code]

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