用javascript实现的几种效果
说明：没有提供NS的版本！

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<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>Letter For OSO.COM.CN</title>
<style>
body {cursor:crosshair;color:mediumblue;background-color:steelblue;font-size:26;font-family:Arial}
a {text-decoration:none}
a:hover {color:blue;text-decoration:underline}
span.glowit {font-size:36;color:firebrick;height:1}
</style></head>

<body scroll=auto>
<P><SPAN class="glowit"><strong><a href="http://www.oso.com.cn">www.oso.com.cn:</a></strong></SPAN></P>
<P>&nbsp;&nbsp;&nbsp; Hi,,oso.com.cn . Thanks For The Free Space &amp; Free   
Database . </P>   
<P>&nbsp;&nbsp;&nbsp; This Is My First Example For All Net Friends Who Study 
JavaScript . Wish You   
All Like The Snows &amp; Glow Fonts . </P>  
<p align="right"><span class="glowit" style="COLOR: darkgreen" id=SPAN1><strong>Your  
Member : <a href="mailto:[email protected]"><span style="color: darkgreen">Lostinet</span></a></strong></span></p>  
</body>  

<script>  
  
function window.onload()  
{  
if(screen.fontSmoothingEnabled)return;  
//Tip For FontSmooth  
document.body.insertAdjacentHTML("BeforeEnd","<p>Tip:If You Enable The FontSmooth In The Display Control Panel<br>The Font Will Become Nicer .");  
}  
  
/****************************************************************\++++++++  
Session For Glow Words  
\****************************************************************/  
var colGlowIt=new Array();  
var intGlowIt=0;  
var intGlowItType=4;  
var intGlowItBase=2;  
var intGlowItTimeout=100;  
window.attachEvent("onload",StartGlowIt);  
function StartGlowIt()  
{  
var item=null;  
var col=document.all.tags("span");  
for(i=0;i<col.length;i++)  
{  
item=col.item(i);  
if(item.className!="glowit")continue;  
colGlowIt[colGlowIt.length]=col.item(i);  
}  
if(!colGlowIt.length)return;  
ContinueGlowIt();  
}  
function ContinueGlowIt()  
{  
intGlowIt+=1;  
if(((intGlowIt-intGlowIt%intGlowItType)/intGlowItType)%2)  
{  
intGlowItStrength=intGlowItType-intGlowIt%intGlowItType;  
}  
else  
{  
intGlowItStrength=intGlowIt%intGlowItType;  
}  
intGlowItStrength+=intGlowItBase;  
for(i=0;i<colGlowIt.length;i++)  
{  
o=colGlowIt[i];  
filterGlow="glow(color="+o.currentStyle.color+",strength="+intGlowItStrength+")";  
filterMask="mask(color="+o.currentStyle.color+")";  
filterBlur="blur(Strength=2)";  
o.style.filter=filterGlow+filterMask+filterBlur+filterGlow;  
}  
setTimeout("ContinueGlowIt()",intGlowItTimeout);  
}  
/****************************************************************\--------  
Session For Glow Words  
\****************************************************************/  
  
/****************************************************************\++++++++  
Session For Snows  
\****************************************************************/  
  
var intSnowCount=32;  
var strSnow="*";  
var intSnowSpeedLow=4;  
var intSnowSpeedHigh=7;  
var arrSnow=null;  
var intSnowTimeout=50;  
var idSnowInterval=0;  
  
window.attachEvent("onload",startSnow);  
function startSnow()  
{  
CreateSnows();  
idSnowInterval=setInterval("MoveSnows()",intSnowTimeout);  
}  
function CreateSnows()  
{  
arrSnow=new Array();  
var oDivTmp=null;  
for(i=0;i<intSnowCount;i++)  
{  
oDivTmp=document.createElement("DIV");  
oDivTmp.style.position="absolute";  
document.body.insertAdjacentElement("BeforeEnd",oDivTmp);  
while(!oDivTmp.style.pixelTop)oDivTmp.style.pixelTop=screen.availHeight*Math.random();  
while(!oDivTmp.style.pixelLeft)oDivTmp.style.pixelLeft=screen.availWidth*Math.random();  
oDivTmp.speed=intSnowSpeedLow+(i%(intSnowSpeedHigh-intSnowSpeedLow));  
oDivTmp.innerHTML="<font color='white' size="+oDivTmp.speed+">"+strSnow+"</font>";  
while(!oDivTmp.vDirect)oDivTmp.vDirect=2*Math.random()-1;  
oDivTmp.vDirect+=((oDivTmp.vDirect>0)?1/2:-1/2);  
arrSnow[arrSnow.length]=oDivTmp  
}  
}  
function MoveSnows()  
{  
for(i=0;i<arrSnow.length;i++)  
MoveSnow(arrSnow[i]);  
}  
function MoveSnow(oDiv)  
{  
m=32  
w=Math.max(document.body.scrollWidth,document.body.offsetWidth)-m;  
h=Math.max(document.body.scrollHeight,document.body.offsetHeight)-m;  
l=m;  
t=m;  
pixelLeft=oDiv.style.pixelLeft+oDiv.vDirect*Math.random()*oDiv.speed/2;  
if(pixelLeft>w-oDiv.offsetWidth)pixelLeft=l;  
if(pixelLeft<l)pixelLeft+=w-oDiv.style.pixelWidth-2*l;  
oDiv.style.pixelLeft=pixelLeft;  
pixelTop=oDiv.style.pixelTop+Math.random()*oDiv.speed;  
if(pixelTop>h-oDiv.offsetHeight)pixelTop=t;  
oDiv.style.pixelTop=pixelTop;  
}  
/****************************************************************\--------  
Session For Snows  
\****************************************************************/  
  
</script></html>