<SCRIPT language=JavaScript>    
<!--
text = "『51CN免费网络』 http://www.51cnfreewl.cn"; //显示的文字    
color1 = "black"; //文字的颜色    
color2 = "white"; //转换的颜色    
fontsize = "3"; //字体大小    
speed = 100; //转换速度 (1000 = 1 秒)     
i = 0;    
if (navigator.appName == "Netscape") {    
document.write("<layer id=a visibility=show></layer><br><br><br>");    
}    
else {    
document.write("<div id=a></div>");    
}    
function changeCharColor() {    
if (navigator.appName == "Netscape") {    
document.a.document.write("<center><font face=arial ><font color=" + color1 +     
">");    
for (var j = 0; j < text.length; j++) {    
if(j == i) {    
document.a.document.write("<font face=arial color=" + color2 + ">" + Text.charAt(i) + "</font>");    
}    
else {    
document.a.document.write(text.charAt(j));    
}    
}    
document.a.document.write('</font></font></center>');    
document.a.document.close();    
}    
if (navigator.appName == "Microsoft Internet Explorer") {    
str = "<font face=arial><font color=" + color1 + ">";    
for (var j = 0; j < text.length; j++) {    
if( j == i) {    
str += "<font face=arial color=" + color2 + ">" + text.charAt(i) + "</font>";    
}    
else {    
str += text.charAt(j);    
}    
}    
str += "</font></font>";    
a.innerHTML = str;    
}    
(i == text.length) ? i=0 : i++;    
}    
setInterval("changeCharColor()", speed);    
-->    
</SCRIPT>