[jQuery] show and hide div (please help me)

[jQuery] show and hide div (please help me)


<body>
<form id="form1" name="form1" method="post" action="">


<label>
<select name="select" id="select">
</select>
</label>







<label>
<select name="select2" id="select2">
</select>
</label>






&nbsp;


</form><div> please wait...</div>
</body>
i have this for example,and i want when user select item from select
show <div> please wait...</div> and when data load complete in select2
then hide <div> please wait...</div>
please help me i am new in jquery , edit my example