<script>
$(function(){
$("#sname").change(function() {
var chxex = $("#sname option").index($("#sname option:selected"));
var sunse = chxex - 1;
if(sunse > -1) {
$("#cname").attr("disabled", true);
} else {
$("#cname").attr("disabled", false);
}
});
$("#cname").change(function() {
if($('#cname').is(':checked')) {
$("#sname").attr("disabled", true);
} else {
$("#sname").attr("disabled", false);
}
});
});
</script>
<tr>
<td width="130" height="40">
<select class="tabl03 idhf01" name="sname" id="sname">
<option value="">제품명</option>
<option value="">abcd 720</option>
<option value="">abcd 360</option>
<option value="">abcd 320</option>
</select>
</td>
<td colspan="2" class="statistics02">
<input type="checkbox" id="cname" name="cname" />
</td>
</tr>
