<div id="contain">
 <div id="left">
   <div class="title">安装步骤</div>
   <ul class="step">
     <li class="succed">许可协议</li>
     <li class="succed">环境检测</li>
     <li class="select">参数配置</li>
     <li>正在安装</li>
     <li>安装完成</li>
   </ul>
 </div>
 <div id="right">
 	<div class="r_title">安装错误！</div>
 	<table width="726" border="0" align="center" cellpadding="0" cellspacing="0" class="twbox">
			<tr>
				<td class="onetd"><strong><?php echo $errormsg;?></strong></td>
			</tr>
		</table>
    <div class="btn-box">
			<input type="button" class="btn-pre" value="后退" onclick="window.location.href='?step=3'" />
		</div>
	</div>
</div>