<!--
Original: Altan (snow@altan.hr) -->
var no =
14; // snow number
var speed =
5; // smaller number moves the snow faster
var
snowflake = "schnee.gif";
var ns4up =
(document.layers) ? 1 : 0; // browser sniffer
var ie4up =
(document.all) ? 1 : 0;
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)
{
doc_width =
self.innerWidth;
doc_height
= self.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()*20; // 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\" ");
document.write("top=\"15\"
visibility=\"show\"><img src=\"");
document.write(snowflake
+ "\" border=\"0\"></layer>");
} else {
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) {
if (i == 0)
{
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>");
} else {
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() { // Netscape main animation function
for (i = 0;
i < no; ++ i) { // iterate for every dot
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() { // IE main animation function
for (i = 0;
i < no; ++ i) { // iterate for every dot
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();
}
// End -->
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