用来作说明的文字特效

脚本说明:
把如下代码加入<body>区域中
<script language="JavaScript1.2">

var delay=1000 //set delay between message change (in miliseconds)
var fcontent=new Array()
begintag='<font face="Arial" size=2 color=red>' //set opening tag, such as font declarations
fcontent[0]="<b>站点公告：</b><br>从今天起，本站将推出一项新的服务!<br><br>免费留言簿的申请"
fcontent[1]="经过前一段时间的调整及服务器的测试运行，本站现在已经处于一个相对比较稳定的时期！！！"
fcontent[2]="如果你有什么意见和建议，请给我们提出，你的支持是对本站发展最大的动力."
closetag='</font>'

var fwidth=150 //set scroller width
var fheight=120 //set scroller height

///No need to edit below this line/////////////////

var ie4=document.all&&!document.getElementById
var ns4=document.layers
var DOM2=document.getElementById
var faderdelay=0
var index=0

if (DOM2)
faderdelay=2000

//function to change content
function changecontent(){
if (index>=fcontent.length)
index=0
if (DOM2){
document.getElementById("fscroller").style.color="rgb(255,255,255)"
document.getElementById("fscroller").innerHTML=begintag+fcontent[index]+closetag
colorfade()
}
else if (ie4)
document.all.fscroller.innerHTML=begintag+fcontent[index]+closetag
else if (ns4){
document.fscrollerns.document.fscrollerns_sub.document.write(begintag+fcontent[index]+closetag)
document.fscrollerns.document.fscrollerns_sub.document.close()
}

index++
setTimeout("changecontent()",delay+faderdelay)
}

// colorfade() partially by Marcio Galli for Netscape Communications.  ////////////
// Modified by Dynamicdrive.com

frame=20;
hex=255  // Initial color value.

function colorfade() {
// 20 frames fading process
if(frame>0) {
hex-=12; // increase color value
document.getElementById("fscroller").style.color="rgb("+hex+","+hex+","+hex+")"; // Set color value.
frame--;
setTimeout("colorfade()",20);
}
else{
document.getElementById("fscroller").style.color="rgb(0,0,0)";
frame=20;
hex=255
}
}

if (ie4||DOM2)
document.write('<div id="fscroller" style="border:1px solid black;width:'+fwidth+';height:'+fheight+';padding:2px"></div>')

window.onload=changecontent
</script>
<ilayer id="fscrollerns" width=&{fwidth}; height=&{fheight};><layer id="fscrollerns_sub" width=&{fwidth}; height=&{fheight}; left=0 top=0></layer></ilayer>