syntax for select box value 1

[onressy]

<select name="addSpecialtyID" onChange="setVal();">
option....
</select>

im trying to set value of hidden text field addSpecialtyID_ to the select addSpecialtyID value, how do i address the select box for its value? thanks

<script>
function setVal() {
document.manageQuotaForm.addSpecialtyID_.value=document.manageQuotaForm.addSpecialtyId.value;
}
</script>

 

[tsuji]

> how do i address the select box for its value?
[tt]
<select name="addSpecialtyID" onChange="setVal([blue]this[/blue]);">

function setVal([blue]obj[/blue]) {
[blue]obj.form[/blue].addSpecialtyID_.value=[blue]obj[/blue].value;
}
[/tt]