<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>
<body>
<div style="width: 500px; height:500px; margin: 0 auto;">
<div>
<div>
<form>
<table>
<tr>
<td> Marka </td>
<td>
<select id="marka" name="marka">
<option value="">--</option>
<option value="audi">Audi</option>
<option value="bmw">BMW</option>
</select></td>
<td> Model </td>
<td>
<select id="model" name="model">
<option value="">--</option>
<option value="a1" class="audi">Audi A1</option>
<option value="a3" class="audi">Audi A3</option>
<option value="a4" class="audi">Audi A4</option>
<option value="a5" class="audi">Audi A5</option>
<option value="a6" class="audi">Audi A6</option>
<option value="a7" class="audi">Audi A7</option>
<option value="a8" class="audi">Audi A8</option>
<option value="q3" class="audi">Audi Q3</option>
<option value="q5" class="audi">Audi Q5</option>
<option value="q7" class="audi">Audi Q7</option>
<option value="tt" class="audi">Audi TT </option>
<option value="series-1" class="bmw">1 series</option>
<option value="series-3" class="bmw">3 series</option>
<option value="series-5" class="bmw">5 series</option>
<option value="series-6" class="bmw">6 series</option>
<option value="series-7" class="bmw">7 series</option>
<option value="series-X" class="bmw">X series</option>
</select></td>
<td>
wielkość
</td>
<td>
<select id="size" name="size">
<option value="">--</option>
<option value="małe" class="a1 tt">małe</option>
<option value="średnie" class="series-1 series-3 series-5 series-6 series-7 a3">średnie</option>
<option value="duże" class="series-2 a4 a5 a6 a7 a8">duże</option>
<option value="SUV" class="series-X q3 q5 q7">SUV</option>
</select>
</td>
</tr>
</table>
</form>
</div>
</div>
</div>
</div>
<script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.1/jquery.min.js" type="text/javascript" charset="utf-8"></script>
<script src="jquery.chained.js?v=0.9.4" type="text/javascript" charset="utf-8"></script>
<script src="jquery.chained.remote.js?v=0.9.4" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript" charset="utf-8">
$(function() {
/* For jquery.chained.js */
$("#model").chained("#marka");
$("#size").chained("#model");
/* Show button after each pulldown has a value. */
$("#size").bind("change", function(event) {
if ("" != $("option:selected", this).val() && "" != $("option:selected", $("#model")).val()) {
$("#button").fadeIn();
} else {
$("#button").hide();
}
});
});
</script>
</body>
</html>