HTML导航菜单

<details class="menu" open="">

<summary>程序管理</summary>

<ul>

<li><a href="#">版本管理</a></li>

<li><a href="#">渠道管理</a></li>

</ul>

</details>

<details class="menu" open="">

<summary>资源管理</summary>

<ul>
<li><a href="#">上传资源</a></li>

</ul>

</details>

#conter {

width: 90%;

margin: auto;

}

#help-left {

width: 10%;

font-family: 'microsoft YaHei';

float: left;

}

#help-right {

width: 80%;

font-family: 'microsoft YaHei';

float:left;

}

<IFRAME ID="testIframe" Name="testIframe" FRAMEBORDER=0  width=100% SRC=""></IFRAME>

<iframe src="managerlist.php" id="iframe_content" name="iframe_content" style="width: 95%; height: 95%; border: 1px"></iframe>

document.getElementById(iframe_content).setAttribute("src", 'XXXX.php');

<a href="javascript:document.getElementById('ContentIframe').setAttribute('src', 'index.php');">TEST</a>

<a href="car_in.php" target="iframe_content">菜单选择</a>