隐藏、显示模块

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               /* window.onload=function()
                {
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                    var odiv=document.getElementById("thediv");
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                function ceshi(id)
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            <div href="#" id="link" onclick="ceshi(this.id)">技术支持</div>
            <div id="ceshi1">
                <div id="thediv1" style="display:block" onclick="ceshi(this.id)">技术A组</div>
                <div id="thediv2" style="display:block" onclick="ceshi(this.id)">技术B组</div>
                <div id="thediv3" style="display:block" onclick="ceshi(this.id)">技术C组</div>
            </div>

            <div id="thediv" style="display:block" onclick="ceshi(this.id)">脚本之家欢迎您</div>