<SCRIPT type="text/javascript">
radius =0;
last_radius=100;
startY=200;
c_count=0;
deviatY=1;
Colors=new Array('ff0000','00ff00','ffffff','ff00ff','ffa500','ffff00','00ff00','ffffff','ff00ff');
sColors=new Array('ffa500','00ff00','FFAAFF','fff000','fffffF');
color=sColors[Math.floor(Math.random()*sColors.length)];
if(document.all){
    last_radius=document.body.clientWidth/8;
    startX=document.body.clientWidth/2;
    staY= document.body.clientHeight-20;
}else{last_radius=window.outerWidth/8;
    startX=window.outerWidth/2;
    staY= window.outerHeight-20;
}
    for(i=0;i<Math.PI*2;i=i+0.3){
document.write("<DIV STYLE='position:absolute;font-size:5;background-color:"+color+";top:"+staY+";left:"+startX+";'ID='bon"+i+"'>*</DIV>");
    }
setTimeout("uchiage()",50)

function uchiage(){
    if(startY < staY){
        staY-=10;
    for(i=0;i<Math.PI*2;i=i+0.3){
if(document.all){
    document.all["bon"+i].style.pixelTop = staY+document.body.scrollTop;
}else{
    document.getElementById("bon"+i).style.top=staY+window.pageYOffset +"px";}
}
        setTimeout("uchiage()",50);
    }else{radius =20;hanabi();}
}
function hanabi(){
    if(last_radius > radius){
    radius +=10;
    for(i=0;i<Math.PI*2;i=i+0.3){
        pointX = startX + Math.cos(i)*radius;
    (deviatY == 0.3)?katamuki=(pointX - startX) * 0.4:katamuki=0;
        pointY = startY + Math.sin(i)*radius*deviatY+katamuki;
if(document.all){
    document.all["bon"+i].style.pixelTop = pointY+document.body.scrollTop;
    document.all["bon"+i].style.pixelLeft = pointX;
}else{
    document.getElementById("bon"+i).style.top=pointY+window.pageYOffset +"px";
    document.getElementById("bon"+i).style.left=pointX+"px";
}
    }
setTimeout("hanabi()",100);
}else if(c_count<300){
    for(i=0;i<Math.PI*2;i=i+0.3){
    color=Colors[Math.floor(Math.random()*Colors.length)];
if(document.all){
    document.all["bon"+i].style.backgroundColor = color;
}else{
    document.getElementById("bon"+i).style.backgroundColor = color;
}
    c_count++
}
setTimeout("hanabi()",100);
}else{
    color=sColors[Math.floor(Math.random()*sColors.length)];
    radius = 20;c_count=0;
if(document.all){
    scrX=document.body.clientWidth - last_radius*2;
    startX=Math.floor(Math.random()*scrX)+last_radius;
    startY=Math.random()*last_radius+last_radius;
    staY= document.body.clientHeight-20;
(!(Math.floor(Math.random()*3)))?deviatY=0.3:deviatY=1;
    for(i=0;i<Math.PI*2;i=i+0.3){
    document.all["bon"+i].style.backgroundColor = color;
    document.all["bon"+i].style.pixelTop = staY+document.body.scrollTop;
    document.all["bon"+i].style.pixelLeft = startX;
}
}else{
    scrX=window.outerWidth-last_radius*2;
    startX=Math.floor(Math.random()*scrX)+last_radius;
    startY=Math.random()*last_radius+last_radius;
    staY= window.outerHeight-20;
(!(Math.floor(Math.random()*3)))?deviatY=0.3:deviatY=1;
    for(i=0;i<Math.PI*2;i=i+0.3){
    document.getElementById("bon"+i).style.backgroundColor = color;
    document.getElementById("bon"+i).style.top=staY+window.pageYOffset +"px";
    document.getElementById("bon"+i).style.left=startX+"px";
}
}
uchiage();
}
}
function hanabi_size(){
if(document.all){
    last_radius=document.body.clientWidth/8;
}else{last_radius=window.outerWidth/8;}
}
document.body.onresize=hanabi_size;/* himajin.moo.jp */
</SCRIPT>