<script language=JavaScript1.2>
<!--
/* Original by Kurt Grigg
* modified by N8i (www.nightfire.ch)
* This script works with DOM browsers too
*/

//Browser Sniffer
var ns4up = (document.layers) ? 1 : 0;
var ie4up = (document.all) ? 1 : 0;
var mozup = (!document.all && document.getElementById) ? 1 : 0;

var no = 5; // snow number
var speed = 7; // smaller number moves the shamrocks faster
var snowflake = "flame.gif";

var dx, xp, yp; // coordinate and position variables
var am, stx, sty; // amplitude and step variables
var i, doc_width = 800, doc_height = 600;
if (ns4up || mozup) {
doc_width = window.innerWidth;
doc_height = window.innerHeight ;
} else if (ie4up) {
doc_width = document.body.clientWidth;
doc_height = document.body.clientHeight ;
}
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; // set coordinate variables
xp[i] = Math.random()*(doc_width-50); // set position variables
yp[i] = Math.random()*doc_height;
am[i] = Math.random()*0; // set amplitude variables
stx[i] = 0.02 + Math.random()/10; // set step variables
sty[i] = 0.7 + Math.random(); // set step variables
if (ns4up) { // set layers
if (i == 0) {
document.write('<layer name="dot'+ i +'" left="15" top="15" visibility="show"><img src="'+snowflake + '" border="0"></layer>');
} else {
document.write('<layer name="dot'+ i +'" left="15" top="15" visibility="show"><img src="'+snowflake + '" border="0"></layer>');
}
} else if (ie4up || mozup) {
if (i == 0) {
document.write('<div id="dot'+ i +'" style="POSITION: absolute; Z-INDEX: '+ i +'; VISIBILITY: visible; TOP: 15px; LEFT: 15px;"><img src="'+ snowflake + '" border="0"></div>');
} else {
document.write('<div id="dot'+ i +'" style="POSITION: absolute; Z-INDEX: '+ i +'; VISIBILITY: visible; TOP: 15px; LEFT: 15px;"><img src="'+ snowflake + '" border="0"></div>');
}
}
}

function snowNS() { // Netscape (and Mozilla) main animation function
for (i = 0; i < no; ++ i) { // iterate for every dot
yp[i] += (sty[i]+window.pageYOffset);
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];
if (ns4up) {
document.layers["dot"+i].top = yp[i];
document.layers["dot"+i].left = xp[i] + am[i]*Math.sin(dx[i]);
} else if (mozup) {
document.getElementById("dot"+i).style.top = yp[i];
document.getElementById("dot"+i).style.left = xp[i] + am[i]*Math.sin(dx[i]);
}
}
setTimeout("snowNS()", speed);
}

function snowIE() { // IE main animation function
for (i = 0; i < no; ++ i) { // iterate for every dot
yp[i] += sty[i];
if (yp[i] > (doc_height+document.body.scrollTop-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||mozup) {
snowNS();
} else if (ie4up) {
snowIE();
}
//-->
</script>

Kurt Grigg
modified by N8i (www.nightfire.ch)

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