网页代码问题，高手进来看看！！！

a:link,a:visited{text-decoration:none;color:#FFFFFF}a:hover{text-decoration:underline... a:link,a:visited {
text-decoration: none;
color: #FFFFFF
}
a:hover {
text-decoration: underline
}
body,td,th {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 15px;
color: #FFFFFF;
font-weight: bold;
}
body {
background-color: #666666;
}

#hor1 {
position:absolute;
left:300px;
top:470px;
width:220px;
height:30px;
z-index:1;
background-color: #999900;
}
#hor2 {
position:absolute;
left:300px;
top:500px;
width:220px;
height:30px;
z-index:2;
background-color: #FFCC00;
}
#hor3 {
position:absolute;
left:300px;
top:530px;
width:220px;
height:30px;
z-index:3;
background-color: #99CC00;
}
#hor4 {
position:absolute;
left:300px;
top:560px;
width:220px;
height:30px;
z-index:4;
background-color: #99CCCC;
}
#board1 {
position:absolute;
left:300px;
top:500px;
width:220px;
height:120px;
z-index:-100;
background-color: #333333;
visibility: hidden;
}

#board2 {
position:absolute;
left:300px;
top:530px;
width:220px;
height:120px;
z-index:-90;
background-color: #333333;
visibility: hidden;

}
#board3 {
position:absolute;
width:220px;
height:120px;
z-index:-80;
left: 300px;
top: 560px;
background-color: #333333;
visibility: hidden;
}

#board4 {
position:absolute;
left:300px;
top:590px;
width:220px;
height:120px;
z-index:-70;
background-color: #333333;
visibility: hidden;
}

-->
</style>
<script type="text/javascript">
lastNo=0
function re(menu_no){
if(lastNo!=menu_no){
cur=menu_no+1
lastNo=menu_no
rest()
}else{
cur=100
}
document.getElementById("board"+menu_no).style.visibility="visible"
}
function rest(){
for(i=1;i<=4;i++){
document.getElementById("hor"+i).style.top=20*i;
document.getElementById("board"+i).style.visibility="hidden"
}
menu_num=4;
act=1
height=120+20
speed=0;
posY=0;
}
function huke(){
if(act==1&&cur<100){
speed=(height-posY)*0.69+speed*0.6
posY+=speed
for(i=cur;i<=menu_num;i++){
document.getElementById("hor"+i).style.top=posY+(i-2)*20
}
if(Math.abs(height-posY)<0.5){
for(i=cur;i<=menu_num;i++){
document.getElementById("hor"+i).style.top=height+(i-2)*20
}
act=0
}
setTimeout("huke()",70)
}
}

</script>

</head>

<body>
<div id="hor1" onclick="re(1);huke()">News</div>
<div id="hor2" onclick="re(2);huke()">Populor</div>
<div id="hor3" onclick="re(3);huke()">Sports</div>
<div id="hor4" onclick="re(4);huke()">Woman</div>
<div id="board1">1.由AS而想起Javascript<br />2.用Jscript写ASP有没有先天性的不足？<br />3.没有了。</div>
<div id="board2">1.xhtml+css真的来了吗？<br />2.Flash取代传统网站<br />3.Flash何时才能连接数据库？</div>
<div id="board3">1.程序员与小姐的10个相同。<br />2.中国的程序员与中国的足球？</div>
<div id="board4">1.二十一世纪最缺的是什么?人才<br />

这个代码为什么点击时导航会置顶啊~~
我想把活动导航在网页中间用~~~
高手帮帮忙啊~~~ 展开

 我来答

1个回答

#热议# 什么是淋病？哪些行为会感染淋病？

zxub999
2008-11-16 · TA获得超过310个赞

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改了下js,自己存了去看看吧，还有，你的间隔是30，不是20

<style type="text/css"> 
a:link,a:visited { 
text-decoration: none; 
color: #FFFFFF 
} 
a:hover { 
text-decoration: underline 
} 
body,td,th { 
font-family: Verdana, Arial, Helvetica, sans-serif; 
font-size: 15px; 
color: #FFFFFF; 
font-weight: bold; 
} 
body { 
background-color: #666666; 
} 

#hor1 { 
position:absolute; 
left:300px; 
top:470px; 
width:220px; 
height:30px; 
z-index:1; 
background-color: #999900; 
} 
#hor2 { 
position:absolute; 
left:300px; 
top:500px; 
width:220px; 
height:30px; 
z-index:2; 
background-color: #FFCC00; 
} 
#hor3 { 
position:absolute; 
left:300px; 
top:530px; 
width:220px; 
height:30px; 
z-index:3; 
background-color: #99CC00; 
} 
#hor4 { 
position:absolute; 
left:300px; 
top:560px; 
width:220px; 
height:30px; 
z-index:4; 
background-color: #99CCCC; 
} 
#board1 { 
position:absolute; 
left:300px; 
top:500px; 
width:220px; 
height:120px; 
z-index:-100; 
background-color: #333333; 
visibility: hidden; 
} 

#board2 { 
position:absolute; 
left:300px; 
top:530px; 
width:220px; 
height:120px; 
z-index:-90; 
background-color: #333333; 
visibility: hidden; 

} 
#board3 { 
position:absolute; 
width:220px; 
height:120px; 
z-index:-80; 
left: 300px; 
top: 560px; 
background-color: #333333; 
visibility: hidden; 
} 

#board4 { 
position:absolute; 
left:300px; 
top:590px; 
width:220px; 
height:120px; 
z-index:-70; 
background-color: #333333; 
visibility: hidden; 
} 

--> 
</style> 
<script type="text/javascript"> 
lastNo=0 
var _top=500 
function re(menu_no){ 
if(lastNo!=menu_no){ 
cur=menu_no+1 
lastNo=menu_no 
rest() 
}else{ 
cur=100 
} 
document.getElementById("board"+menu_no).style.visibility="visible" 
} 
function rest(){ 
for(i=1;i<=4;i++){ 
document.getElementById("hor"+i).style.top=_top+30*(i-2); 
document.getElementById("board"+i).style.visibility="hidden" 
} 
menu_num=4; 
act=1 
height=120 
speed=0; 
posY=0; 
} 
function huke(){ 
if(act==1&&cur<100){ 
speed=(height-posY)*0.69+speed*0.6 
posY+=speed 
for(i=cur;i<=menu_num;i++){ 
document.getElementById("hor"+i).style.top=_top+posY+(i-2)*30 
} 
if(Math.abs(height-posY)<0.5){ 
for(i=cur;i<=menu_num;i++){ 
document.getElementById("hor"+i).style.top=_top+height+(i-2)*30 
} 
act=0 
} 
setTimeout("huke()",70) 
} 
} 

</script> 

</head> 

<body> 
<div id="hor1" onclick="re(1);huke()">News</div> 
<div id="hor2" onclick="re(2);huke()">Populor</div> 
<div id="hor3" onclick="re(3);huke()">Sports</div> 
<div id="hor4" onclick="re(4);huke()">Woman</div> 
<div id="board1">1.由AS而想起Javascript<br />2.用Jscript写ASP有没有先天性的不足？<br />3.没有了。</div> 
<div id="board2">1.xhtml+css真的来了吗？<br />2.Flash取代传统网站<br />3.Flash何时才能连接数据库？</div> 
<div id="board3">1.程序员与小姐的10个相同。<br />2.中国的程序员与中国的足球？</div> 
<div id="board4">1.二十一世纪最缺的是什么?人才<br />


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