var no=30
var speed=3
var snowflake="images/flake-small.gif";

var ns4up=(document.layers)?1:0;
var ie4up=(document.all)?1:0;
var dx,xp,yp;
var am,stx,sty;
var i,doc_width=400,doc_height=500;
if (ns4up) {
doc_width=self.innerWidth;
doc_height=self.innerHeight;
} else if (ie4up) {
doc_width=500;
doc_height=500;
}
dx=new Array();
xp=new Array();
yp=new Array();
am=new Array();
stx=new Array();
sty=new Array();
for (i=0; i <no; ++i) {
dx[i]=0;
xp[i]=Math.random()*(doc_width-50);
yp[i]=Math.random()*doc_height;
am[i]=Math.random()*20;
stx[i]=0.02+Math.random()/10;
sty[i]=0.7+Math.random();
if (ns4up) {
document.write("<layer name=\"dot"+i+"\" left=\"15\" ");
document.write("top=\"15\" visibility=\"show\"><img src=\"");
document.write(snowflake+"\" border=\"0\"></layer>");
} else if (ie4up) {
document.write("<div id=\"dot"+i+"\" style=\"POSITION: ");
document.write("absolute; Z-INDEX: "+i+"; VISIBILITY: ");
document.write("visible; TOP: 15px; LEFT: 15px;\"><img src=\"");
document.write(snowflake+"\" border=\"0\"></div>");
}
}
function snowNS() {
for (i=0; i<no; ++i) {
yp[i]+=sty[i];
if (yp[i]>doc_height-50) {
xp[i]=Math.random()*(doc_width-am[i]-30);
yp[i]=0;
stx[i]=0.02+Math.random()/10;
sty[i]=0.7+Math.random();
doc_width=self.innerWidth;
doc_height=self.innerHeight;
}
dx[i]+=stx[i];
document.layers["dot"+i].top=yp[i];
document.layers["dot"+i].left=xp[i]+am[i]*Math.sin(dx[i]);
}
setTimeout("snowNS()", speed);
}
function snowIE() {
for (i=0; i<no; ++i) {
yp[i]+=sty[i];
if (yp[i]>doc_height-50) {
xp[i]=Math.random()*(doc_width-am[i]-30);
yp[i]=0;
stx[i]=0.02+Math.random()/10;
sty[i]=0.7+Math.random();
doc_width=document.body.clientWidth;
doc_height=document.body.clientHeight;
}
dx[i]+=stx[i];
document.all["dot"+i].style.pixelTop=yp[i];
document.all["dot"+i].style.pixelLeft=xp[i]+am[i]*Math.sin(dx[i]);
}
setTimeout("snowIE()", speed);
}
if (ns4up) {
snowNS();
} else if (ie4up) {
snowIE();
}