jQueryフォームのSelect

<script src="http://www.gamejzy.com/js/jquery.js" type="text/javascript"></script>
<p>
<select id="select1" multiple style="width:100px;height:160px;">
	<option value="1">  1</option>
	<option value="2">  2</option>
	<option value="3">  3</option>
	<option value="4">  4</option>
	<option value="5">  5</option>
	<option value="6">  6</option>
	<option value="7">  7</option>
	<option value="8">  8</option>
</select>     
<select id="select2" multiple style="width:100px;height:160px;"></select>
</p>
<p><input type="button" value="       " id="add_selected" /> <input type="button" value="       " id="remove_selected" /></p>
<p><input type="button" value="       " id="add_all" /> <input type="button" value="       " id="remove_all" /></p>
<script type="text/javascript">
$(document).ready(function(){
	$("#add_selected").bind('click', function(){
		$options = $("#select1 option:selected"); //       
		$options.appendTo('#select2');            //     
	})
	$("#remove_selected").bind('click', function(){
		$options = $("#select2 option:selected"); //       
		$options.appendTo('#select1');            //     
	})
	$("#add_all").bind('click', function(){
		$options = $("#select1 option");          //       
		$options.appendTo('#select2');            //     
	})
	$("#remove_all").bind('click', function(){
		$options = $("#select2 option");          //       
		$options.appendTo('#select1');            //     
	})
})
</script>

効果図の表示: