div左右并列，第二个换行了。。。。

就简单的div，为什么第二个会换行啊，求高手解答。

 <div id="container" style="width:1100px">
    <div id="left" style="height:20px;width:800px;float:left;">
        <label for="channelName">通路结构</label>
        <input name="channelName" type="text" value="${channel.name}" id="channelName"  size="50" disabled="disabled" />
        <input type="button" value="选择" onclick="chooseChannelByType('4,5,6,7,8,9,91,10,11,20', 'false');"/>
        <input type="hidden"" name="includeSubChannel" id="includeSubChannel" value="1" />
    </div>
    <div style="clear:both"></div>
    <div id="right" style="height:20px;width:800px;float:left;">
        <span class="amountVerify" style="margin-right:10px; font-size: 15px;font-weight: bold;" >余额校验</span>
        <input class="amountVerify" type="radio" name="balanceVerify" id="verify" value="1" onclick="accordShow();"><span class="amountVerify" >是</span>
        <input class="amountVerify" type="radio" name="balanceVerify" id="noVerify" value="2" checked="checked" onclick="accordShow();"/><span class="amountVerify" >否</span>
    </div>
</div>