JQuery multi TAB implementation ideas attached to the style and code

CSS styles:

 
@CHARSET "UTF-8"; 
#div{ 
margin-bottom:10px; 
position:relative; 
} 
#div1{ 
width:153px; 
padding-top:0px; 
padding-left:0px; 
position:absolute; 
} 
#div1 ul{ 
margin-top:0px; 
padding-left:0px; 
background-color:#ccc; 
list-style:none; 
} 
#div1 ul li{ 
padding-left:0px; 
} 
#div1 ul li input{ 
margin-left:15px; 
} 
.close{ 
display:none; 
} 
.open{ 
display:block; 
} 

Jquery code:

 
$(function(){ 
var position = $("#xx").position(); 
$("#div1").offset({ top:position.top+35,left:position.left+10}); 
$("#xx").click(function(){ 
$("#NG").toggleClass("open"); 
}); 

$("#div1 input[name=ng]").click(function(){ 
var arr = new Array(); 
$("input[name=ng]:checked").each(function(key,value){arr[key]=$(value).val();}); 
$("#xx").val(arr.join(",")); 
}); 
}); 

HTML code:

 
<div id="div"> 
<div align="center" id="div2" > 
<form id="form1"> 
<input type="text" readonly="readonly" id="xx"/> 
<input type="submit" value=" The query "/> 
</form> 
</div> 
<div id="div1"> 
<ul class="close" id="NG" > 
<li><input type="checkbox" name="ng" value=1 />1</li> 
<li><input type="checkbox" name="ng" value=2 />2</li> 
<li><input type="checkbox" name="ng" value=3 />3</li> 
</ul> 
</div> 
</div>