看到如今flash用得越来越多,flash的图片切换广告用得也越来越普及,
但是对于只懂网页制作的我来说,显得有些吃力,那么有没有一种其它的方式来实现
这种效果呢?
偶然的机会看到在网上看到了一种实现方式,觉得还不错,拿下来和大家分享(全部源码需要的朋友可以留下email):
先讲下思路:
1。利用iframe来实现网页内容的切换,如果网页内只放图片,就是flash图片切换效果。
2。div用来实现装入不同的网页内容
3。利用js的setInterval来自动切换
但是这里边有个问题,就是切换的数量是固定的只能是三个,我会在下一篇文章里做一个改进,原则上可以切换N多个
里边用到了1.htm,2.htm,3.html切换不同的内容
部分主要代码如下:
1.htm:
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
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<title>无标题文档</title>
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<style type="text/css">
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<!--
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body {
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background-color: #66CCFF;
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}
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-->
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</style></head>
14![](/Images/OutliningIndicators/None.gif)
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<body>
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第一个内容页面
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</body>
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</html>
切换页面Index.html![](/Images/OutliningIndicators/None.gif)
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![](/Images/OutliningIndicators/None.gif)
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![](/Images/OutliningIndicators/None.gif)
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![](/Images/OutliningIndicators/None.gif)
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![](/Images/OutliningIndicators/None.gif)
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![](/Images/OutliningIndicators/None.gif)
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![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
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![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
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![](/Images/OutliningIndicators/None.gif)
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![](/Images/OutliningIndicators/None.gif)
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![](/Images/OutliningIndicators/None.gif)
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![](/Images/OutliningIndicators/None.gif)
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![](/Images/OutliningIndicators/None.gif)
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![](/Images/OutliningIndicators/None.gif)
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
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<link href="css/css.css" rel="stylesheet" type="text/css">
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<title>无标题文档</title>
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</head>
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<body onload=iniautoslide()>
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<div id=sudsclickstreamdiv
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style="Z-INDEX: 1; LEFT: 100px; VISIBILITY: visible; WIDTH: 80px; POSITION: absolute; TOP: -300px"></div>
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<table width=750 align="center" cellpadding=0 cellspacing=0>
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<tbody>
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<tr>
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<td
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style="BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 0px; BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 0px; PADDING-BOTTOM: 5px; BORDER-LEFT: #cccccc 1px solid; PADDING-TOP: 5px; BORDER-BOTTOM: medium none"
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width=750 bgcolor=#e6e6e6>
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<div style="WIDTH: 0px; POSITION: relative; HEIGHT: 0px">
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<div style="Z-INDEX: 10; LEFT: 748px; POSITION: absolute; TOP: -6px">
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<table cellspacing=0 cellpadding=0 width=30>
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<tbody>
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<tr>
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<td width=30 height=4><img height=4 alt=""
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src="images/digi_gb_lp_008.gif" width=30></td>
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</tr>
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<tr>
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<td background=images/digi_gb_lp_009.gif height=207>
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<table cellspacing=0>
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<tbody>
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<tr>
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<td style="PADDING-LEFT: 1px" width=24 height=29><img id=upbtn
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style="CURSOR: pointer" onfocus=this.blur()
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onClick=slideup();clearInterval(interval01); height=28 alt=UP
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src="images/scrollad_1.gif" width=24></td>
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</tr>
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<tr>
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<td height=2></td>
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</tr>
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<tr>
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<td class=NUM2 id=led1 height=19>1</td>
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</tr>
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<tr>
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<td height=2></td>
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</tr>
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<tr>
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<td class=NUM1 id=led2 height=19>2</td>
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</tr>
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<tr>
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<td height=2></td>
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</tr>
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<tr>
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<td class=NUM1 id=led3 height=19>3</td>
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</tr>
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<tr>
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<td height=3></td>
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</tr>
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<tr>
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<td style="PADDING-LEFT: 1px" height=29><img id=downbtn
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style="CURSOR: pointer" onfocus=this.blur()
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onClick=slidedown();clearInterval(interval01); height=29
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alt=DOWN src="images/scrollad_4.gif"
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width=24></td>
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</tr>
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</tbody>
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</table></td>
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</tr>
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<tr>
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<td height=6><img height=6 alt=""
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src="images/digi_gb_lp_010.gif"
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width=30></td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div id=main onMouseOver=clearInterval(interval01);
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style="OVERFLOW: hidden; WIDTH: 748px; POSITION: relative; HEIGHT: 237px"
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onMouseOut=iniautoslide(); nowrap>
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<div id=f1
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style="Z-INDEX: 10; LEFT: 0px; WIDTH: 748px; POSITION: absolute; TOP: 0px; HEIGHT: 237px">
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<iframe
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name=frame1 marginwidth=0 marginheight=0 src="01.htm"
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frameborder=0 noresize width=750 scrolling=no onload=checkdamie(1)
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height=250></iframe>
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</div>
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<div id=f2
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style="DISPLAY: none; Z-INDEX: 10; LEFT: 0px; WIDTH: 748px; POSITION: absolute; TOP: 237px; HEIGHT: 237px">
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<iframe
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name=frame1 marginwidth=0 marginheight=0 src="02.htm"
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frameborder=0 noresize width=750 scrolling=no onload=checkdamie(2)
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height=250></iframe>
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</div>
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<div id=f3
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style="DISPLAY: none; Z-INDEX: 10; LEFT: 0px; WIDTH: 748px; POSITION: absolute; TOP: 474px; HEIGHT: 237px">
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<iframe
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name=frame1 marginwidth=0 marginheight=0 src="03.htm"
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frameborder=0 noresize width=750 scrolling=no onload=checkdamie(3)
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height=250></iframe>
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</div>
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</div>
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</table>
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<SCRIPT language=JavaScript>
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<!--
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var currentF=1;
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document.getElementById("upbtn").style.display="none";
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var mainobj = document.getElementById("main");
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var frameheight = 237;
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var scrolling=0;
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var speed = 20;
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var checkloaded=new Array();
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for(i=1;i<=3;i++){
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checkloaded[i]=0;
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}
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function checkdamie(n){
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checkloaded[n]=1;
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//alert(checkloaded[n])
117![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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}
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function alertloading(sdirection){
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scrolling=0;
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if(sdirection == "down"){
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currentF--;
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}
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else{
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currentF++;
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}
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//alert("正在下载数据,请稍等");
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}
129![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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function scrolldown(f){
131![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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switch (f){
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case 2:
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if (mainobj.scrollTop>=frameheight){
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clearInterval(inter);
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mainobj.scrollTop=frameheight;
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scrolling=0;
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}
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else{mainobj.scrollTop+=speed;}
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break;
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case 3:
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if (mainobj.scrollTop>=frameheight*2){
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mainobj.scrollTop=frameheight*2;
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clearInterval(inter);
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scrolling=0;
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}
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else{mainobj.scrollTop+=speed;}
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break;
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}
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}
151![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
152![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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function scrollup(f){
154![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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switch (f){
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case 1:
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if (mainobj.scrollTop<=0){
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clearInterval(inter1);
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mainobj.scrollTop=0;
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scrolling=0;
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}
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else{
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mainobj.scrollTop-=speed;
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}
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break;
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case 2:
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if (mainobj.scrollTop<=frameheight){
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mainobj.scrollTop=frameheight;
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clearInterval(inter1);
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scrolling=0;
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}
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else{
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mainobj.scrollTop-=speed;
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}
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break;
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}
177![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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}
179![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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function slidedown(){
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//slide
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if (scrolling==0){
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scrolling=1;
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currentF++;
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obj=eval("document.getElementById('f"+currentF+"')");
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obj.style.display="block";
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if (checkloaded[currentF]==1){
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inter=eval("setInterval('scrolldown("+currentF+")',5)");
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//led
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document.getElementById("upbtn").style.display="";
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if (currentF==3){
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document.getElementById("downbtn").style.display="none";
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}
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for (i=1;i<=3;i++){
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eval("document.getElementById('led"+i+"').className='NUM1'");
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}
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eval("document.getElementById('led"+currentF+"').className='NUM2'");
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}
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else{
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//alert(checkloaded[currentF]);
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alertloading("down");
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}
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}
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}
206![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
207![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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function slideup(){
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//slide
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if (scrolling==0){
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scrolling=1;
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currentF--;
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obj=eval("document.getElementById('f"+currentF+"')");
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obj.style.display="block";
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if (checkloaded[currentF]==1){
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inter1=eval("setInterval('scrollup("+currentF+")',5)");
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//led
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document.getElementById("downbtn").style.display="";
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if (currentF==1){
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document.getElementById("upbtn").style.display="none";
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}
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for (i=1;i<=3;i++){
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eval("document.getElementById('led"+i+"').className='NUM1'");
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}
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eval("document.getElementById('led"+currentF+"').className='NUM2'");
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}
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else{
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alertloading("up");
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}
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}
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}
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//auto slide
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var direction = "down";
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var interval01;
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var autotime = 3000;
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function autoslide(){
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if(direction == "down"){
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if (currentF == 2){
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direction = "up";
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}
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slidedown();
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//alert(direction);
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}
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if(direction == "up"){
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if (currentF == 2){
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direction = "down";
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}
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slideup();
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//alert(direction);
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}
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}
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function iniautoslide(){
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interval01 = setInterval("autoslide()",autotime);
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}
256![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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//-->
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</SCRIPT>
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</body>
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</html>
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