xbackgroundchange

<style>
.lchomepro{ width:300px;height:auto;float:left; overflow:hidden; display:inline; }
.lchomepro dl{float:left;}
.lchomepro dd{ width:300px; height:20px; background:#f1f1f1; margin-top:10px;float:left;}
</style>
<div class="lchomepro">
    <dl>
        <dd id="lchh1" onmousemove="document.getElementById('lchh1').style.cssText='background:#ccc;'" onmouseout="document.getElementById('lchh1').style.cssText='background:#f1f1f1;'">111</dd>
        <dd id="lchh2" onmousemove="document.getElementById('lchh2').style.cssText='background:#ccc;'" onmouseout="document.getElementById('lchh2').style.cssText='background:#f1f1f1;'">222</dd>
    </dl>
</div>