1.logo显示不出来;
2.总提示reStart函数未定义;
3.二级标题栏堆在一起显示;
4.footer里的链接说是无法显示;

下面是代码
<!doctype html>
<html lang="en">
<head>
<title>web前端开发技术课程网站</title>
<meta charset="gb2312">
<meta name="keywords" content="html,css,javascript,web前端开发"/>
<meta name="description" content="web前端开发技术,html、css、javascript技术,开发综合实例"/>
<link href="style2menu.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="qiehuan.js"></script>
<script type="text/javascript" src="switchpic.js"></script>
</head>
<body onload="init();">
<div id="container" class="">
<div id="header" class="">
<img src="images/web_logo.jpg" alt="">
</div>
<div id="menu_out">
<div id="menu_in">
<div id="menu">
<ul id="nav">
<li><a class="nav_on" id="mynav0" onmouseover="javascript:qiehuan(0)" href="web_first.html" target="framebody"><span>首页</span></a></li>
<li class="menu_line"></li>
<li><a href="#" onmouseover="javascript:qiehuan(1)" id="mynav1" class="nav_off"><span>课程简介</span></a></li>
<li class="menu_line"></li>
<li><a href="#" onmouseover="javascript:qiehuan(2)" id="mynav2" class="nav_off"><span>主讲教师</span></a></li>
<li class="menu_line"></li>
<li><a href="#" onmouseover="javascript:qiehuan(3)" id="mynav3" class="nav_off"><span>教学团队</span></a></li>
<li class="menu_line"></li>
<li><a href="#" onmouseover="javascript:qiehuan(4)" id="mynav4" class="nav_off"><span>教学课件</span></a></li>
<li class="menu_line"></li>
<li><a href="#" onmouseover="javascript:qiehuan(5)" id="mynav5" class="nav_off"><span>实验项目</span></a></li>
<li class="menu_line"></li>
<li><a href="#" onmouseover="javascript:qiehuan(6)" id="mynav6" class="nav_off"><span>课程设计</span></a></li>
<li class="menu_line"></li>
<li><a href="#" onmouseover="javascript:qiehuan(7)" id="mynav7" class="nav_off"><span>在线测试</span></a></li>
<li class="menu_line></li>
<li><a href="#" onmouseover="javascript:qiehuan(8)" id="mynav8" class="nav_off"><span>网络资源</span></a></li>
</ul>
<div id="menu_con">
<div id="qh_con0" style="display:block">
<ul>
<li><a href="#"><span>课程发展</span></a></li>
<li class="menu_line2"></li>
<li><a herf="#"><span>课程特色</span></a></li>
<li class="menu_line2"></li>
<li><a href="#"><span>教学成果</span></a></li>
</ul>
</div>
<div id="qh_con1" style="display:none">
<ul>
<li><a href="#"><span>教学大纲</span></a></li>
<li class="menu_line2"></li>
<li><a herf="#"><span>教学计划</span></a></li>
<li class="menu_line2"></li>
<li><a href="web_practice.html" target="framebody"><span>实验计划</span></a></li>
</ul>
</div>
<div id="qh_con2" style="display:none">
<ul>
<li><a href="#"><span>教学工作</span></a></li>
<li class="menu_line2"></li>
<li><a herf="#"><span>教学改革</span></a></li>
<li class="menu_line2"></li>
<li><a href="#"><span>科研成果</span></a></li>
</ul>
</div>
<div id="qh_con3" style="display:none">
<ul>
<li><a href="#"><span>楚云秀</span></a></li>
<li class="menu_line2"></li>
<li><a herf="#"><span>黄少天</span></a></li>
<li class="menu_line2"></li>
<li><a href="#"><span>叶 修</span></a></li>
</ul>
</div>
<div id="qh_con4" style="display:none">
<ul>
<li><a href="#"><span>HTML-PPT</span></a></li>
<li class="menu_line2"></li>
<li><a herf="#"><span>CSS-PPT</span></a></li>
<li class="menu_line2"></li>
<li><a href="#"><span>JavaScript-PPT</span></a></li>
</ul>
</div>
<div id="qh_con5" style="display:none">
<ul>
<li><a href="#"><span>HTML部分实验</span></a></li>
<li class="menu_line2"></li>
<li><a herf="#"><span>CSS部分实验</span></a></li>
<li class="menu_line2"></li>
<li><a href="#"><span>JavaScript部分实验</span></a></li>
</ul>
</div>
<div id="qh_con6" style="display:none">
<ul>
<li><a href="#"><span>设计案例1</span></a></li>
<li class="menu_line2"></li>
<li><a herf="#"><span>设计案例2</span></a></li>
<li class="menu_line2"></li>
<li><a href="#"><span>设计案例3</span></a></li>
</ul>
</div>
<div id="qh_con7" style="display:none">
<ul>
<li><a href="web_exam.html" target="framebody"><span>综合训练1</span></a></li>
<li class="menu_line2"></li>
<li><a href="web_exam.html" target="framebody"><span>综合训练2</span></a></li>
<li class="menu_line2"></li>
<li><a href="web_exam.html" target="framebody"><span>综合训练3</span></a></li>
</ul>
</div>
<div id="qh_con8" style="display:none">
<ul>
<li><a href="http://www.w3school.com.cn/html/index.asp" target="framebody"><span>HTML教程</span></a></li>
<li class="menu_line2"></li>
<li><a href="http://www.w3.org/TR/2014/REC-html5-20141028/" target="framebody"><span>HTML5规范</span></a></li>
<li class="menu_line2"></li>
<li><a href="http://www.php100.com/manual/jquery/" target="framebody"><span>jQuery在线手册</span></a></li>
</ul>
</div>
</div>
</div>
</div>
</div>
<div id="main">
<div id="leftbar" class="">
<a herf="#"><img id="pic" src="images/example1.jpg" border="0" alt="" onmouseover="pause();" onmouseout="reStart();"></a>
</div>
<div id="right" class="">
<iframe name="framebody" src="wed_first.html"></iframe>
</div>
</div>
<div class="bottom">
<ul>
<li><strong>友情链接:</strong>
<select size="1" name="d1" onchange="window.open(this.options[this.selectedindex].value)">
<option>中国名牌大学</option>
<option value="http://www.tsinghua.edu.cn/">清华大学</option>
<option value="http://www.pku.edu.cn/">北京大学</option>
<option value="http://www.fudan.edu.cn/">复旦大学</option>
<option value="http://www.sjtu.edu.cn/">上海交通大学</option>
<option value="http://www.xjtu.edu.cn/">西安交通大学</option>
</select>
<select size="1" name="d1" onchange="window.open(this.options[this.selectedindex].value)">
<option>网络课程资源链接</option>
<option value="http://www.icourses.cn/home/">中国mooc大学</option>
<option value="http://www.jingpinke.com/">国家精品课程共享服务信息平台</option>
<option value="http://jpkc.fudan.edu.cn/">复旦大学精品课程</option>
<option value="http://jpkc.nwu.edu.cn/course.php#xb_jpkc">西北大学精品课程建设网</option>
<option value="http://www.cncourse.com/portal/indexdefault">中国高校课程网</option>
<option value="http://www.intel.com/cn/index.htm">中国教育和科研计算机网</option>
</select>
</li>
<li>
web前端开发技术课程建设小组 2015-2020©保留所有权利,未经允许不得复制,镜像
</li>
</ul>
</div>
</div>
</body>
</html>
js表
//定义全局变量
var CurScreen=1; //当前显示的图像
var MaxScreen=5; //最多可切换图像数
var timer=null; //定时器变量
function $(id){return document.getElementById(id);}
function switchPic(){ //切换图像函数,定时触发
if (CurScreen==MaxScreen){CurScreen=1;}
else{CurScreen++;}
$("pic").src="images/example"+CurScreen+".jpg"; //更换图像的文件名
}
function reStrat(){ //重新开始,鼠标移出时触发
switchPic(); //切换下一张图
init(); //开始定时器
}
function pause(){ //暂停切换,鼠标悬停时触发
clearInterval(timer);//清除定时器
}
function init(){ //初始化函数,在body加载时触发
timer=setInterval('switchPic();',1000);
}
js2表
function qiehuan(num){
for(var id=0;id<=8;id++){
if(id==num){
document.getElementById("qh_con"+id).style.display="block";
document.getElementById("mynav"+id).className="nav_on";
}else{
document.getElementById("qh_con"+id).style="none";
document.getElementById("mynav"+id).className="";}
}
}
css表写不下

应用的图片

LOGO图