<script
language="javascript"
type="text/javascript">
function
move(index,to)
{
var
list =
document.form.list;
var
total =
list.options.length-1;
if
(index
==
-1)
return
false;
if
(to
==
+1
&&
index
==
total)
return
false;
if
(to
==
-1
&&
index
==
0)
return
false;
var
items =
new
Array;
var
values =
new
Array;
for
(i
=
total;
i >=
0;
i--)
{
items[i]
=
list.options[i].text;
values[i]
=
list.options[i].value;
}
for
(i
=
total;
i >=
0;
i--)
{
if
(index
==
i)
{
list.options[i
+
to]
=
new
Option(items[i],values[i
+
to],
0,
1);
list.options[i]
=
new
Option(items[i
+
to],
values[i]);
i--;
}
else
{
list.options[i]
=
new
Option(items[i],
values[i]);
}
}
list.focus();
}
function
submitForm()
{
var
list =
document.form.list;
var
theList =
"?";
for
(i
=
0;
i <=
list.options.length-1;
i++)
{
theList
+=
"list"
+
list.options[i].value
+
"="
+
list.options[i].text;
if
(i
!=
list.options.length-1)
theList +=
"&";
}
location.href
=
document.form.action
+
theList;
}
</script>
<form
method="GET"
action=""
name="form">
<table>
<tr>
<td
align="middle">
<select
name="list"
size="4">
<option
value="1">item-A</option>
<option
value="2">item-B</option>
<option
value="3">item-C</option>
<option
value="4">item-D</option>
</select><br><br>
<input
type="button"
value="submit"
onClick="submitForm()">
</td>
<td
valign="top">
<input
type="button"
value="?"
onClick="move(this.form.list.selectedIndex,-1)"><br><br>
<input
type="button"
value="?"
onClick="move(this.form.list.selectedIndex,+1)">
</td>
</tr>
</table>
</form>