<script language="javascript">
function str(value) {
document.quickquote.output.value=value
}
</script>

<form name="quickquote">
<select onchange="str(value)">
<option value="s1">Select 1</option>
<option value="s2">Select 2</option>
<option value="s3">Select 3</option>
</select>
<input name="output" />
</form>