查看完整版本: 滚动的公告栏的实现

滚动的公告栏的实现

  滚动的公告栏的实现
滚动的公告栏的实现  <script language="JavaScript1.2">




//设置下面的三行参数，分别是宽度、高度和背景色。
var scrollerwidth=150
var scrollerheight=60
var scrollerbgcolor=&#39;whit
e&#39;



//下面设置显示的文字内容，可以使用标准的HTML语法。
var messages=new Array()
messages[0]="<a href=&#39;../index.html&#39;>点这里回首页，欢迎你访问小耗子的《三招两式》</a>"
messages[1]="<a href=&#39;../download/index.htm&#39;>点这里去下载中心，你可以到那里下载本站各个栏目的压缩包</a>"
messages[2]="<a href=&#39;../tip/index.htm&#39;>点这里去心得技巧栏目，这里搜集了网页制作高手们的心得文章</a>"
messages[3]="<a href=&#39;../search/index.htm&#39;>点这里去本站搜索，快速检索本站内容</a>"
messages[4]="<a href=&#39;../connect.htm&#39;>点这里联系小耗子，有任何意见建议请来信。</a>"



//下面的代码不要改动



if (messages.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)",3000)
setTimeout("move2(document.main.document.second)",3000)
return
}
if (tlayer.top>=tlayer.document.height*-1){
tlayer.top-=5
setTimeout("move1(tlayer)",100)
}
else{
tlayer.top=scrollerheight
tlayer.document.write(messages)
tlayer.document.close()
if (i==messages.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)",3000)
setTimeout("move1(document.main.document.first)",3000)
return
}
if (tlayer2.top>=tlayer2.document.height*-1){
tlayer2.top-=5
setTimeout("move2(tlayer2)",100)
}
else{
tlayer2.top=scrollerheight
tlayer2.document.write(messages)
tlayer2.document.close()
if (i==messages.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)",3000)
setTimeout("move4(second2)",3000)
return
}
if (tdiv.style.pixelTop>=tdiv.offsetHeight*-1){
tdiv.style.pixelTop-=5
setTimeout("move3(tdiv)",100)
}
else{
tdiv.style.pixelTop=scrollerheight
tdiv.innerHTML=messages
if (i==messages.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)",3000)
setTimeout("move3(first2)",3000)
return
}
if (tdiv2.style.pixelTop>=tdiv2.offsetHeight*-1){
tdiv2.style.pixelTop-=5
setTimeout("move4(second2)",100)
}
else{
tdiv2.style.pixelTop=scrollerheight
tdiv2.innerHTML=messages
if (i==messages.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=&#39;show&#39;
}
}



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(messages[0])
</script>
</layer>
<layer id="second" left=0 top=0 width=&{scrollerwidth}; visibility=hide>
<script language="JavaScript1.2">
if (document.layers)
document.write(messages[1])
</script>
</layer>
</ilayer>
<script language="JavaScript1.2">
if (document.all){
document.writeln(&#39;<span id="main2" style="position:relative;width:&#39;+scrollerwidth+&#39;;height:&#39;+scrollerheight+&#39;;overflow:hiden;background-color:&#39;+scrollerbgcolor+&#39;">&#39;)
document.writeln(&#39;<div style="position:absolute;width:&#39;+scrollerwidth+&#39;;height:&#39;+scrollerheight+&#39;;clip:rect(0 &#39;+scrollerwidth+&#39; &#39;+scrollerheight+&#39; 0);left:0;top:0">&#39;)
document.writeln(&#39;<div id="first2" style="position:absolute;width:&#39;+scrollerwidth+&#39;;left:0;top:1;">&#39;)
document.write(messages[0])
document.writeln(&#39;</div>&#39;)
document.writeln(&#39;<div id="second2" style="position:absolute;width:&#39;+scrollerwidth+&#39;;left:0;top:0">&#39;)
document.write(messages[1])
document.writeln(&#39;</div>&#39;)
document.writeln(&#39;</div>&#39;)
document.writeln(&#39;</span>&#39;)
}
</script>