公告栏滚动图片特效-优快云博客

本文介绍了一种使用JavaScript实现的公告栏滚动图片效果。通过定时切换不同图片并控制其滚动速度，可以在网页上创建吸引人的视觉展示。适用于早期浏览器环境，包括对IE6的支持。

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML><HEAD><TITLE>网页特效|Linkweb.cn/Js|---公告栏的滚动图片</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META content="MSHTML 6.00.3790.2795" name=GENERATOR></HEAD>
<BODY>
<SCRIPT language=JavaScript1.2>
var scrollerwidth=232; var scrollerheight=94; var scrollerbgcolor='white'; var pausebetweenimages=3000; var slideimages=new Array()
slideimages[0]='<a href="#"><img src="http://220.181.29.180/boardfile/tuyou/200724/20070615195236.jpg" alt="精彩哦" border=0"></a>'; slideimages[1]='<a href="#"><img src="http://cimg2.163.com/cnews/2007/6/15/2007061513580453d54.jpg" alt="好看哦" border=0"></a>'; slideimages[2]='<a href="#"><img src="http://cimg2.163.com/cnews/2007/6/15/20070615082607ee0bc.jpg" alt="好看哦" border=0"></a>';

if (slideimages.length>1)
i=2
else
i=0
function move1(whichlayer){
tlayer=eval(whichlayer)
if (tlayer.top>0&&tlayer.top<=5){
tlayer.top=0
setTimeout("move1(tlayer)",pausebetweenimages)
setTimeout("move2(document.main.document.second)",pausebetweenimages)
return
}
if (tlayer.top>=tlayer.document.height*-1){
tlayer.top-=5
setTimeout("move1(tlayer)",100)
}
else{
tlayer.top=scrollerheight
tlayer.document.write(slideimages[i])
tlayer.document.close()
if (i==slideimages.length-1)
i=0
else
i++
}}
function move2(whichlayer){
tlayer2=eval(whichlayer)
if (tlayer2.top>0&&tlayer2.top<=5){
tlayer2.top=0
setTimeout("move2(tlayer2)",pausebetweenimages)
setTimeout("move1(document.main.document.first)",pausebetweenimages)
return
}
if (tlayer2.top>=tlayer2.document.height*-1){
tlayer2.top-=5
setTimeout("move2(tlayer2)",100)
}
else{
tlayer2.top=scrollerheight
tlayer2.document.write(slideimages[i])
tlayer2.document.close()
if (i==slideimages.length-1)
i=0
else
i++
}}
function move3(whichdiv){
tdiv=eval(whichdiv)
if (tdiv.style.pixelTop>0&&tdiv.style.pixelTop<=5){
tdiv.style.pixelTop=0
setTimeout("move3(tdiv)",pausebetweenimages)
setTimeout("move4(second2)",pausebetweenimages)
return
}
if (tdiv.style.pixelTop>=tdiv.offsetHeight*-1){
tdiv.style.pixelTop-=5
setTimeout("move3(tdiv)",100)
}
else{
tdiv.style.pixelTop=scrollerheight
tdiv.innerHTML=slideimages[i]
if (i==slideimages.length-1)
i=0
else
i++
}
}
function move4(whichdiv){
tdiv2=eval(whichdiv)
if (tdiv2.style.pixelTop>0&&tdiv2.style.pixelTop<=5){
tdiv2.style.pixelTop=0
setTimeout("move4(tdiv2)",pausebetweenimages)
setTimeout("move3(first2)",pausebetweenimages)
return
}
if (tdiv2.style.pixelTop>=tdiv2.offsetHeight*-1){
tdiv2.style.pixelTop-=5
setTimeout("move4(second2)",100)
}
else{
tdiv2.style.pixelTop=scrollerheight
tdiv2.innerHTML=slideimages[i]
if (i==slideimages.length-1)
i=0
else
i++
}}
function startscroll(){
if (document.all){
move3(first2)
second2.style.top=scrollerheight
}
else if (document.layers){
move1(document.main.document.first)
document.main.document.second.top=scrollerheight+5
document.main.document.second.visibility='show'
}}
window.onload=startscroll
//-->
</SCRIPT>
<ILAYER id=main bgcolor="&{scrollerbgcolor};"
height="&{scrollerheight};" width="&{scrollerwidth};"><LAYER id=first
width="&{scrollerwidth};" top="1" left="0">
<SCRIPT language=JavaScript1.2>
if (document.layers)
document.write(slideimages[0])
</SCRIPT>
</LAYER><LAYER id=second width="&{scrollerwidth};" top="0" left="0"
visibility="hide">
<SCRIPT language=JavaScript1.2>
if (document.layers)
document.write(slideimages[1])
</SCRIPT>
</LAYER></ILAYER>
<P>　</P>
<P>
<SCRIPT language=JavaScript1.2>
</SCRIPT>
</P></BODY></HTML>

公告式的滚动图片