function add_recipient(birthday) {
	html =      '<tr>'+
                  '<td>Recipient Name</td>'+
                  '<td><input type="text" name="recipient['+recipient_index+'][name]" value="" size="50" /></td>'+
                '</tr>'+
                '<tr>'+
                  '<td>Recipient Email Address</td>'+
                  '<td><input type="text" name="recipients['+recipient_index+'][email]" value="" size="50" /></td>'+
                '</tr>';
	if(birthday) {
		html += '<tr>'+
				  '<td>Recipient Birthday</td>'+
				  '<td>'+
					'<select name="recipients['+recipient_index+'][month]">'+
					  '<option></option>'+
					  '<option>January</option>'+
					  '<option>February</option>'+
					  '<option>March</option>'+
					  '<option>April</option>'+
					  '<option>May</option>'+
					  '<option>June</option>'+
					  '<option>July</option>'+
					  '<option>August</option>'+
					  '<option>September</option>'+
					  '<option>October</option>'+
					  '<option>November</option>'+
					  '<option>Decempber</option>'+
					'</select>'+
					'<select name="recipients['+recipient_index+'][day]">'+
					  '<option></option>';
		for(var i=1; i<=31; i++) {
		  html +=     '<option>'+i+'</option>';
		}
		html +=     '</select>'+
				  '</td>'+
				'</tr>'+
				'<tr>'+
                  '<td>Recipient Mailing Address (optional)</td>'+
                  '<td><textarea name="recipients['+recipient_index+'][address]" rows="2" cols="40"></textarea></td>'+
                '</tr>';
	}
	$('recipients').insert({bottom: html});
	recipient_index++;
}