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文字由小变大由大变小（动态变化）

2010-08-16 文本操作 ℃

脚本说明:

把如下代码加入<body>区域中

<SCRIPT language=JavaScript><!-- Begin

var speed = 20;

var cycledelay = 1000;

var maxsize = 48;

var x = 0;

var y = 0;

var themessage, size;

var esize = "";

function initArray() {

this.length = initArray.arguments.length;

for (var i = 0; i < this.length; i++) {

this[i] = initArray.arguments[i];

}

var themessage2 = new initArray(

"欢迎访问......",

"网页之作.....",

"飘蓝工作室向你问好.....!",

"谢谢你的访问....."

);

if(navigator.appName == "Netscape")

document.write('<layer id="wds"></layer><br>');

if (navigator.appVersion.indexOf("MSIE") != -1)

document.write('<span id="wds"></span><br>');

function upwords(){

themessage = themessage2[y];

if (x < maxsize) {

x++;

setTimeout("upwords()",speed);

}

else setTimeout("downwords()",cycledelay);

if(navigator.appName == "Netscape") {

size = "<font point-size='"+x+"pt'>";

document.wds.document.write(size+"<center>"+themessage+"</center>"+esize);

document.wds.document.close();

}

if (navigator.appVersion.indexOf("MSIE") != -1){

wds.innerHTML = "<center>"+themessage+"</center>";

wds.style.fontSize=x+'px'

}

function downwords(){

if (x > 1) {

x--;

setTimeout("downwords()",speed);

}

else {

setTimeout("upwords()",cycledelay);

y++;

if (y > themessage2.length - 1) y = 0;

}