[js+php] get set to combo function

[Costas]

//test.php
<?php

require_once("config.php");	

$db = connect();

$bikes = getSet($db,"select * from bikes order by bike_name",null);

$zories = getSet($db,"select distinct(zory) from members order by zory",null);

$countries = getSet($db,"select * from countries order by country_name",null);

?>

<script>
	$(function() {
		var jArray_countries =   <?php echo json_encode($countries); ?>;
		fill_select_by_json_set("country",jArray_countries,"country_id","country_name");
		
		var jArray_zories =   <?php echo json_encode($zories); ?>;
		fill_select_by_json_set("zory", jArray_zories,null,"specialization");
		
		var jArray_bikes =   <?php echo json_encode($bikes); ?>;
		fill_select_by_json_set("bike", jArray_bikes,"bike_id","bike_name");
		
	});
	
	function fill_select_by_json_set(ctl_name, json_set, json_id, json_txt){
		if(json_set && ctl_name){
			var combo_rows = "<option value='0']</option>";
			for (var i = 0; i < json_set.length; i++)
			{
				if (json_id)
					combo_rows += "<option value='" + json_set[i][json_id] + "']" + json_set[i][json_txt] + "</option>";
				else 
					combo_rows += "<option>" + json_set[i][json_txt] + "</option>";
			}

			$("[name="+ctl_name+"]").html(combo_rows);
			$("[name="+ctl_name+"]").change();
		}
	}
</script>

<div class="container">

				<div class='form-group']
					<label>Country :</label>
					<select name="country" class='form-control']</select>
				</div>

				<div class='form-group']
					<label>zory :</label>
					<select name="zory" class='form-control']</select>
				</div>
				
				<div class='form-group']
					<label>Bikes :</label>
					<select name="bike" class='form-control']</select>
				</div>
				
</div>