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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
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<div id="cd1" style=" display:none">
<div>企业介绍</div>
<div>产品介绍</div>
<div>产品中心</div>
<div>服务中心</div>
<div>联系我们</div>
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<div style=" 100px; height:35px; color:#0F0; text-align:center; vertical-align:middle; line-height:35px;" onclick="xiala2()">企业介绍</div>
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<div>产品介绍</div>
<div>产品中心</div>
<div>服务中心</div>
<div>联系我们</div>
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<div style=" 100px; height:35px; color:#0F0; text-align:center; vertical-align:middle; line-height:35px;" onclick="xiala3()">产品中心</div>
<div id="cd3" style=" display:none">
<div>产品介绍</div>
<div>产品中心</div>
<div>服务中心</div>
<div>联系我们</div>
</div>
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<div id="a2">产品介绍</div>
<div id="a2">产品中心</div>
<div id="a2">企业介绍</div>
<div id="a2">联系我们</div>
</div>
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</body>
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