很有冲击力的文字显示效果

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<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>网页特效|Linkweb.cn/Js|---很酷的文字显示效果</title>
</head>

<STYLE>
.let {
COLOR: white; FILTER: Shadow (Color="#ff0000", Direction="135")wave(Add="0", Phase="4", Freq="9", LightStrength="20", Strength="1"); FONT-FAMILY: Verdana; FONT-WEIGHT: bold; WIDTH: 500px
}
</STYLE>
<SCRIPT language=JavaScript>
var regel = 0;   //row to start with
var size = 20;   //size of font
var delay = 1200;   //Delay between messages in msecs
var speed = 20;   //Hmmmmmm
var step = 10;   //Size of each step

var sent = new Array()
{
sent[0] = "欢迎光临网页特效";
sent[1] = "这里有上千个代码";
sent[2] = "网站设计制作必不可少";
sent[3] = "这时里有大量的教学文章";
sent[4] = "这里是你制作网站的好地方";
sent[5] = "欢迎你常来坐坐！！！";
}

sent[sent.length] = sent[0];var veran = 0;var num = 0;var x = 0;//Don't change
function moto(){output = "";for(letter = 0;letter<sent[regel+1].length;letter++){
if(veran == letter){if(x==0){num=num+step;}else{num=num-step;}gr = size-num;
if(gr < 1){x=1;gr=1;}if(gr>size)gr=size;
output += "<font style='font-size:"+gr +"pt'>"+sent[regel+x].substring(letter, letter+1)+"</font>";
if(num < 0 && x==1){veran++;x=0;}}else{if(veran > letter){
output += "<font style='font-size:"+size +"pt'>"+sent[regel+1].substring(letter, letter+1)+"</font>";
}else{output += "<font style='font-size:"+size +"pt'>"+sent[regel].substring(letter, letter+1)+"</font>";}}}
return output;}function startmot(){if(regel==sent.length-1)regel=0;balk.innerHTML = moto();
if(veran==sent[regel+1].length){regel++;veran = 0;setTimeout("startmot()", delay);}else{
setTimeout("startmot()", speed);}}

</SCRIPT>

</body>

</html>