<div class="position">

<div class="positiontop">

<span class="mr100">招聘职位：高级开发工程师</span>

<span>工作地址：北京、济南</span>

<span class="lookmore fright">查看详情

<img src="images/down.png" class="toggle"/>

</span>

</div>

<div class="positionbottom" style="display: block;">

<p>

岗位职责：<br/>

1、负责确定核心编码方案，协助技术总监攻克技术难关；<br/>

</p>

</div>

</div>

//joinus

//joinus

$('.lookmore').click(function(){

$(".positionbottom").not($(this).next()).slideUp();

$(this).parent('.positiontop').next('.positionbottom').slideToggle();

$(this).children('.toggle').attr("src", "images/up.png");

$('.toggle').not($(this).children()).attr("src", "images/down.png");

});