/* Script by kurt.grigg@virgin.net ←オリジナルはこちら*/

ns=(document.layers)?1:0;
Clrs=new Array('red','lime','white','hotpink','gold','violet','lightskyblue','orangered','yellow')
var amount=8
var step=0.3;
var currStep=0;
var Ypos=0;
var Xpos=0;
if (ns){
for (i=0; i < amount; i++)
document.write('<LAYER NAME="n'+i+'" LEFT=0 TOP=0 BGCOLOR=#FFFFFF CLIP="0,0,2,2"></LAYER>');
window.captureEvents(Event.MOUSEMOVE);  
function nMouse(evnt){
Ypos = evnt.pageY;
Xpos = evnt.pageX;
}
window.onMouseMove=nMouse;
}
else{
document.write('<div style="position:absolute;top:0px;left:0px">');
document.write('<div style="position:relative">');
for (i=0; i < amount; i++)
document.write('<div id="me'+i+'" style="position:absolute;top:0px;left:0px;width:2px;height:2px;font-size:2px;background:#00aaff"></div>');
document.write('</div></div>');
function iMouse(event){
if(!event){event=window.event}
Ypos=event.clientY+(document.all?document.body.scrollTop:window.scrollY);
Xpos=event.clientX+(document.all?document.body.scrollLeft:window.scrollX);
}
document.onmousemove = iMouse;
}
function flash(){
for (i=0; i < amount; i++){
var randCol=Math.floor(Math.random()*Clrs.length);
var layer=(document.layers)?document.layers['n'+i]:document.getElementById("me"+i).style;
layer.top =Ypos+60*Math.sin((currStep + i*3.1)/4)*Math.cos(currStep/10);
layer.left=Xpos+60*Math.cos((currStep + i*3.1)/4);
if (ns) layer.bgColor=Clrs[randCol];else layer.backgroundColor=Clrs[randCol];
}
currStep+=step;
setTimeout("flash()",10);
}
if(document.all&&!document.getElementById){document.getElementById=function(id){return document.all(id)}}
setTimeout("flash()",1000);