<select name=“one”>Первый
<option value=“1”>1</option>
<option value=“2”>2</option>
<option value=“3”>3</option>
</select>
var arr1 = new Array(“1.1”,1.2”,1.3”);
var arr2 = new Array(“2.1”,2.2”,2.3”);
var arr3 = new Array(“3.1”,3.2”,3.3”);
<select name=“two”>Второй</select>