<SELECT NAME="s">
<OPTION VALUE="1">1</OPTION>
<OPTION value="2">2</OPTION>
<OPTION value="3">3</OPTION>
</SELECT>
<script>
s.options[1].selected=true
</script>
<SELECT NAME="s">
<OPTION VALUE="1">1</OPTION>
<OPTION value="2">2</OPTION>
<OPTION value="3">3</OPTION>
</SELECT>
<script>
s.options[1].selected=true
</script>