15、图象滚动公告板
类别: JavaScript教程 
====1、将以下代码加入到HEML的<body></body>之间：
<script language="JavaScript1.2">
<!--
/*设置下面的参数。 设置scrollerwidth和scrollerheight参数，设置成滚动显示的图片中尺寸最大的。*/
var scrollerwidth=140
var scrollerheight=40
var scrollerbgcolor=\'white\'
//每个图间暂停3秒。
var pausebetweenimages=3000
//边界下面的行，如果希望logo都是带连接的，只要加上<a>标签即可。
var slideimages=new Array()
slideimages[0]=\'<a href="index.htm"><img src="第一张图片.gif" border=0"></a>\'
slideimages[1]=\'<a href="index1.htm"><img src="第二张图片.gif"></a>\'
slideimages[2]=\'<a href="index2.htm"><img src="第三张图片.gif"></a>\'
slideimages[3]=\'<a href="index3.htm"><img src="第四张图片.gif"></a>\'
//尽管填加更多的。
//////以下不要修改////////////////
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" width="&{scrollerwidth};" height="&{scrollerheight};" bgcolor="&{scrollerbgcolor};">
<layer id="first" left="0" top="1" width="&{scrollerwidth};"> <script
language="JavaScript1.2">
if (document.layers)
document.write(slideimages[0])
</script> </layer> <layer id="second" left="0" top="0"
width="&{scrollerwidth};" visibility="hide"> <script language="JavaScript1.2">
if (document.layers)
document.write(slideimages[1])
</script> </layer> </ilayer> </p>
<p><script language="JavaScript1.2">
<!--
if (document.all){
document.writeln(\'<span id="main2" style="position:relative;width:\'+scrollerwidth+\';
height:\'+scrollerheight+\';overflow:hiden;background-color:\'+scrollerbgcolor+\'">\')
document.writeln(\'<div style="position:absolute;width:\'+scrollerwidth+\';height:\'+scrollerheight+\';
clip:rect(0 \'+scrollerwidth+\' \'+scrollerheight+\' 0);left:0;top:0">\')
document.writeln(\'<div id="first2" style="position:absolute;width:\'+scrollerwidth+\';
left:0;top:1;">\')
document.write(slideimages[0])
document.writeln(\'</div>\')
document.writeln(\'<div id="second2" style="position:absolute;width:\'+scrollerwidth+\';
left:0;top:0">\')
document.write(slideimages[1])
document.writeln(\'</div>\')
document.writeln(\'</div>\')
document.writeln(\'</span>\')
}
//--></script>
<script language="JavaScript1.2">
<!--
/*设置下面的参数。 设置scrollerwidth和scrollerheight参数，设置成滚动显示的图片中尺寸最大的。*/
var scrollerwidth=140
var scrollerheight=40
var scrollerbgcolor=\'white\'
//每个图间暂停3秒。
var pausebetweenimages=3000
//边界下面的行，如果希望logo都是带连接的，只要加上<a>标签即可。
var slideimages=new Array()
slideimages[0]=\'<a href="index.htm"><img src="第一张图片.gif" border=0"></a>\'
slideimages[1]=\'<a href="index1.htm"><img src="第二张图片.gif"></a>\'
slideimages[2]=\'<a href="index2.htm"><img src="第三张图片.gif"></a>\'
slideimages[3]=\'<a href="index3.htm"><img src="第四张图片.gif"></a>\'
//尽管填加更多的。
//////以下不要修改////////////////
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" width="&{scrollerwidth};" height="&{scrollerheight};" bgcolor="&{scrollerbgcolor};">
<layer id="first" left="0" top="1" width="&{scrollerwidth};"> <script
language="JavaScript1.2">
if (document.layers)
document.write(slideimages[0])
</script> </layer> <layer id="second" left="0" top="0"
width="&{scrollerwidth};" visibility="hide"> <script language="JavaScript1.2">
if (document.layers)
document.write(slideimages[1])
</script> </layer> </ilayer> </p>
<p><script language="JavaScript1.2">
<!--
if (document.all){
document.writeln(\'<span id="main2" style="position:relative;width:\'+scrollerwidth+\';
height:\'+scrollerheight+\';overflow:hiden;background-color:\'+scrollerbgcolor+\'">\')
document.writeln(\'<div style="position:absolute;width:\'+scrollerwidth+\';height:\'+scrollerheight+\';
clip:rect(0 \'+scrollerwidth+\' \'+scrollerheight+\' 0);left:0;top:0">\')
document.writeln(\'<div id="first2" style="position:absolute;width:\'+scrollerwidth+\';
left:0;top:1;">\')
document.write(slideimages[0])
document.writeln(\'</div>\')
document.writeln(\'<div id="second2" style="position:absolute;width:\'+scrollerwidth+\';
left:0;top:0">\')
document.write(slideimages[1])
document.writeln(\'</div>\')
document.writeln(\'</div>\')
document.writeln(\'</span>\')
}
//--></script>
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