文字が降る上る３

◆全ソース◆
ソースの中でマウスの右クリックで『すべて選択』した後に、
再度右クリックして『コピー』
<!DOCTYPE html>
<html lang="ja">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=shift_jis">
<meta http-equiv="Content-Script-Type" content="text/javascript">
<meta http-equiv="Content-Style-Type" content="text/css">

<title>文字が降る上る３</title>

<style type="text/css">
<!--
/*画面の揺れを防ぐため*/
body{width:100%; height:100%;}
-->
</style>

</head>

<body bgcolor="#000000">

<!--●注意！　ブラウザがFirefoxの時は<body>の中に中身が無いと雪が降りません。普通は文章や画像やboxがあるので、問題ないと思いますが、この見本では中身が無いので、<div></div>で空間を開けています-->
<div style="width:800px; height:1000px;"></div>

<!--★ここからコピー　位置は<body>の中です-->
<script type="text/javascript">
<!--
/*★snow.jsの展開分ここから 中身はさわらないこと*/
/***********************************************
* Snow Effect without images-by Kurt Grigg at http://www.btinternet.com/~kurt.grigg/javascript
* Script featured & available at Dynamic Drive at http://www.dynamicdrive.com/
* Please keep this notice intact
***********************************************/
//Snow - http://www.btinternet.com/~kurt.grigg/javascript

if  ((document.getElementById) && 
window.addEventListener || window.attachEvent){

(function(){

//Configure here.

var num = 30;   //Number of flakes
var timer = 30; //setTimeout speed. Varies on different comps
var enableinNS6 = 1 //Enable script in NS6/Mozilla? Snow animation could be slow in those browsers. (1=yes, 0=no).

//End.

var y = [];
var x = [];
var fall = [];
var theFlakes = [];
var sfs = [];
var step = [];
var currStep = [];
var h,w,r;
var d = document;
var pix = "px";
var domWw = (typeof window.innerWidth == "number");
var domSy = (typeof window.pageYOffset == "number");
var idx = d.getElementsByTagName('div').length;

if (d.documentElement.style && 
typeof d.documentElement.style.MozOpacity == "string")
num = 12;

for (i = 0; i < num; i++){
sfs[i] = Math.round(1 + Math.random() * 1);

document.write('<div id="flake'+(idx+i)+'" style="position:absolute;top:0px;left:0px;width:'
+sfs[i]+'px;height:'+sfs[i]+'px;background-color:#ffffff;font-size:'+sfs[i]+'px"><\/div>');

currStep[i] = 0;
fall[i] = (sfs[i] == 1)?
Math.round(2 + Math.random() * 2): Math.round(3 + Math.random() * 2);
step[i] = (sfs[i] == 1)?
0.05 + Math.random() * 0.1 : 0.05 + Math.random() * 0.05 ;
}


if (domWw) r = window;
else{ 
  if (d.documentElement && 
  typeof d.documentElement.clientWidth == "number" && 
  d.documentElement.clientWidth != 0)
  r = d.documentElement;
 else{ 
  if (d.body && 
  typeof d.body.clientWidth == "number")
  r = d.body;
 }
}


function winsize(){
var oh,sy,ow,sx,rh,rw;
if (domWw){
  if (d.documentElement && d.defaultView && 
  typeof d.defaultView.scrollMaxY == "number"){
  oh = d.documentElement.offsetHeight;
  sy = d.defaultView.scrollMaxY;
  ow = d.documentElement.offsetWidth;
  sx = d.defaultView.scrollMaxX;
  rh = oh-sy;
  rw = ow-sx;
 }
 else{
  rh = r.innerHeight;
  rw = r.innerWidth;
 }
h = rh - 2;  
w = rw - 2; 
}
else{
h = r.clientHeight - 2; 
w = r.clientWidth - 2; 
}
}


function scrl(yx){
var y,x;
if (domSy){
 y = r.pageYOffset;
 x = r.pageXOffset;
 }
else{
 y = r.scrollTop;
 x = r.scrollLeft;
 }
return (yx == 0)?y:x;
}


function snow(){
var dy,dx;

for (i = 0; i < num; i++){
 dy = fall[i];
 dx = fall[i] * Math.cos(currStep[i]);

 y[i]+=dy;
 x[i]+=dx; 

 if (x[i] >= w || y[i] >= h){
  y[i] = -10;
  x[i] = Math.round(Math.random() * w);
  fall[i] = (sfs[i] == 1)?
  Math.round(2 + Math.random() * 2): Math.round(3 + Math.random() * 2);
  step[i] = (sfs[i] == 1)?
  0.05 + Math.random() * 0.1 : 0.05 + Math.random() * 0.05 ;
 }
 
 theFlakes[i].top = y[i] + scrl(0) + pix;
 theFlakes[i].left = x[i] + scrl(1) + pix;

 currStep[i]+=step[i];
}
setTimeout(snow,timer);
}


function init(){
winsize();
for (i = 0; i < num; i++){
 theFlakes[i] = document.getElementById("flake"+(idx+i)).style;
 y[i] = Math.round(Math.random()*h);
 x[i] = Math.round(Math.random()*w);
}
snow();
}


if (window.addEventListener){
 window.addEventListener("resize",winsize,false);
 window.addEventListener("load",init,false);
}  
else if (window.attachEvent){
 window.attachEvent("onresize",winsize);
 window.attachEvent("onload",init);
} 

})();
}//End.
/*★snow.jsの展開分ここまで*/
// -->
</script>

<!--★ここまでコピー-->

<!--●注意！●外部jsに戻す方法のわかる方は、戻して下さい。でも、外部jsを呼び出す時に、

<script type="text/javascript" src="snow.js">
/***********************************************
* Snow Effect without images-by Kurt Grigg at http://www.btinternet.com/~kurt.grigg/javascript
* Script featured & available at Dynamic Drive at http://www.dynamicdrive.com/
* Please keep this notice intact
***********************************************/
</script>

↑上記のように書いて、オリジナルサイト名がわかるようにして下さい。●注意！終わり●-->

</body>
</html>
降る上る３■文字B■ 粉雪が降る

　降る上る３■文字B■　粉雪が降る　　　　
