[SPV]

Есть такой вариант:
<form onsubmit="combovalue.value=combovars[document.mycombo.Text]">
<input type="hidden" name="combovalue">
<object id="mycombo" classid="clsid:8BD21D30-EC42-11CE-9E0D-00AA006002F3"></object>
<script>
var combovars = new Array;
document.mycombo.Style=2;
document.mycombo.AddItem('Option 1');
combovars['Option 1']='var 1';
document.mycombo.AddItem('Option 2');
combovars['Option 2']='var 2';
document.mycombo.AddItem('Option 3');
combovars['Option 3']='var 3';
document.mycombo.Text='Option 1';
</script>
</form>