list switching

<div id="atnbg20161206tu1635_a" style="position:absolute;left:0px;top100px;width:300px;height:10px;background-color:pink;color:lightgrey"></div>

<div id="atnbg20161206tu1635_b" style="position:absolute;left:0px;top200px;width:300px;height:10px;background-color:pink;color:lightgrey"></div>

<div style="position:absolute;left:0px;top300px;width:300px;height:10px;background-color:pink;color:lightgrey">

<div id="atnbg20161206tu1635_p" style="position:absolute;left:0%;bottom:0%;font-size:2em;background-color:pink;color:lightgrey">b</div>

<div id="atnbg20161206tu1635_t" style="position:absolute;left:40%;bottom:0%;font-size:2em;background-color:pink;color:lightgrey"></div>

<div id="atnbg20161206tu1635_n" style="position:absolute;right:0%;bottom:0%;font-size:2em;background-color:pink;color:lightgrey">n</div></div>

b

n