<!--
text = "欢迎您光临中国霞浦县政府门户网站!"; //显示的文字     
color1 = "#FF0A0A"; //文字的颜色     
color2 = "#FFFFFF"; //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);     
--> 