for(h=a.height,w=a.width,m=w/2,pi=Math.PI,ms=mc=0,c.b=c.beginPath,c.s=c.stroke,c.lineWidth=5,d="0001200",p="0222222",d+=p+p+p+p+p,e=[],z=h-300,t=[],u=0,f={get f(){return Math.random()},set s(f){c.fillStyle=f,c.fill()}},co=0,l=99+99*f.f,s=4,y=[],i=0;300>i;i++)t.push([f.f*w,f.f*z]),i%10==0&&y.push([f.f*w*2,20+99*f.f]);c.shadowColor=r="snow",(k=function(){co%3==0&&(o="hsl("+~~(360*f.f)+",100%,60%)"),p=2*f.f,co++,c.rect(0,0,w,h),f.s=j="black";for(i in t)c.b(),c.rect((~~t[i][0]-u+w)%w,~~t[i][1],2,2),f.s=r;for(u=(u+s/4)%w,i=5;i--;)e.push([m,z,.6*f.f,8*f.f,f.f,10+20*f.f]);c.shadowBlur=100,c.b(),c.arc(1.1*w-co*s/4,z/2,50,0,2*pi),f.s="snow",c.shadowBlur=0;for(i in e)_=e[i],_[2]<0&&(e.splice(i,1),i--),_[0]-=s,_[1]-=2*_[4]+p,c.b(),c.arc(_[0],_[1],_[3],0,2*pi),q="hsla(0,0%,"+_[5]+"%,"+_[2]+")",f.s=q,_[2]-=.005,_[3]+=3*f.f|0;for(i in d)~~d[i]&&(c.b(),c.rect(m-20*i,z+20+p/2,7*d[i],15),f.s=o);for(i in y)_=y[i],c.b(),c.rect((_[0]-5*u+2*w)%(2*w)*_[1]/2,0,3*_[1],z+100+_[1]),f.s=j;setTimeout(k,20)})();
h=a.height;w=a.width;m=w/2;pi=Math.PI;ms=mc=0;c.b=c.beginPath;c.s=c.stroke;c.lineWidth=5;
d="0001200";p="0222222";d+=p+p+p+p+p;e=[];z=h-300;t=[];u=0;
f={get f(){return Math.random()},set s(x){c.fillStyle=x;c.fill()}}
co=0;l=99+f.f*99;
s=4;y=[];
for(i=0;i<300;i++){
t.push([f.f*w,f.f*z]);
if(i%10==0)y.push([f.f*w*2,20+f.f*99]);
}
c.shadowColor=r="snow";
k=function(){
if(co%3==0)o="hsl("+~~(f.f*360)+",100%,60%)";
p=f.f*2;
co++;
c.rect(0,0,w,h);
f.s=j="black";
for(i in t){
c.b();
c.rect(((~~t[i][0]-u+w)%w),(~~t[i][1]),2,2);
f.s=r;
}
u=(u+s/4)%w;
i=5;while(i--)e.push([m,z,0.6*f.f,f.f*8,f.f,10+f.f*20]);
c.shadowBlur=100;
c.b();c.arc(w*1.1-co*s/4,z/2,50,0,2*pi);f.s="snow";
c.shadowBlur=0;
for(i in e){
_=e[i];
if(_[2]<0){e.splice(i ,1);i--}
_[0]-=s;
_[1]-=2*_[4]+p;
c.b();
c.arc(_[0],_[1],_[3],0,2*pi);
q="hsla(0,0%,"+_[5]+"%,"+_[2]+")";
f.s=q;
_[2]-=0.005;_[3]+=f.f*3|0;
};
for(i in d){if(~~d[i]){c.b();c.rect(m-i*20, z+20 + p/2, d[i]*7, 15);f.s=o}}
for(i in y){
_=y[i];
c.b();
c.rect(((_[0]-5*u+2*w)%(2*w))*_[1]/2,0,3*_[1],z+100+_[1]);
f.s=j;
}
setTimeout(k,20);
}
k();
//With many thanks to Abu, James and Bahamin for help and suggestions
//and to my dearest wife, without whom this would never have been possible
