if(!window.fireworks) fireworks=new Object();
if(!fireworks.createLayer)
{
var ns4 = document.layers;
var ie4 = document.all;
fireworks.objNo=0;
fireworks.getObjId = function(){return "fireworks_obj" + fireworks.objNo++;};
fireworks.createLayer = function(theHtml)
{
var layerId = fireworks.getObjId();
document.write(ns4 ? ""+theHtml+"" :
""+theHtml+"
" );
var el = document.getElementById ? document.getElementById(layerId) :
document.all ? document.all[layerId] :
document.layers[layerId];
if(ns4)
el.style=el;
return el;
}
fireworks.fxLayer = function(theHtml)
{
if(theHtml == null) return;
this.el = fireworks.createLayer(theHtml);
}
var proto = fireworks.fxLayer.prototype
proto.moveTo = function(x,y){this.el.style.left = x;this.el.style.top=y;}
proto.setBgColor = function(color) { this.el.style.backgroundColor = color; }
proto.clip = function(x1,y1, x2,y2){ this.el.style.clip="rect("+y1+" "+x2+" "+y2+" "+x1+")"; }
if(ns4){
proto.clip = function(x1,y1, x2,y2){
this.el.style.clip.top =y1;this.el.style.clip.left =x1;
this.el.style.clip.bottom=y2;this.el.style.clip.right =x2;
}
proto.setBgColor=function(color) { this.el.bgColor = color; }
}
if(window.opera)
proto.setBgColor = function(color) { this.el.style.color = color==null?'transparent':color; }
if(window.innerWidth)
{
gX=function(){return innerWidth;};
gY=function(){return innerHeight;};
}
else
{
gX=function(){return document.body.clientWidth;};
gY=function(){return document.body.clientHeight;};
}
fireworks.fxLayer2 = function(theHtml)
{
this.superC = fireworks.fxLayer;
this.superC(theHtml + "C");
}
fireworks.fxLayer2.prototype = new fireworks.fxLayer;
}
fireworks.Spark = function(x, y)
{
this.superC = fireworks.fxLayer;
this.superC("*");
this.dx = Math.random() * 4 - 2;
this.dy = Math.random() * 4 - 2;
this.ay = .09;
this.x = x;
this.y = y;
this.type = 0;
}
fireworks.Spark.prototype = new fireworks.fxLayer;
fireworks.Spark.prototype.fire0 = function()
{
var a = Math.random() * 6.294;
var s = Math.random() * 2;
if(Math.random() >.6) s = 2;
this.dx = s*Math.sin(a);
this.dy = s*Math.cos(a) - 2;
}
fireworks.Spark.prototype.fire1 = function()
{
var a = Math.random() * 6.294;
var s = Math.random() * 2;
this.dx = s*Math.sin(a);
this.dy = s*Math.cos(a) - 2;
}
fireworks.Spark.prototype.fire2 = function()
{
var a = Math.random() * 6.294;
var s = 2;
this.dx = s*Math.sin(a);
this.dy = s*Math.cos(a) - 2;
}
fireworks.Spark.prototype.fire3 = function()
{
var a = Math.random() * 6.294;
var s = a - Math.random();
this.dx = s*Math.sin(a);
this.dy = s*Math.cos(a) - 2;
}
fireworks.Spark.prototype.fire4 = function()
{
var a = Math.random() * 6.294;
var s = (Math.random() > 0.5) ? 2 : 1;
if(s==1)this.setBgColor("#FFFFFF");
s -= Math.random()/4;
this.dx = s*Math.sin(a);
this.dy = s*Math.cos(a) - 2;
}
fireworks.Spark.prototype.fire = function(sx, sy, fw, cl)
{
this.setBgColor(cl);
if(fw == 1)
this.fire1();
else if(fw == 2)
this.fire2();
else if(fw == 3)
this.fire3();
else if(fw == 4)
this.fire4();
else
this.fire0();
this.x = sx;
this.y = sy;
this.moveTo(sx, sy);
}
fireworks.Spark.prototype.animate = function(step)
{
this.dy += this.ay;
this.x += this.dx;
this.y += this.dy;
this.moveTo(this.x, this.y);
}
fireworks.Firework = function(numSparks)
{
window[ this.id = fireworks.getObjId() ] = this;
this.sparkle = new Array();
for(i=0 ; i 1)
{
this.state="Bang"
this.explode();
}
}
else
{
if(this.step > 40)
this.state="Off";
this.step++;
for(i=0 ; i