Kód:

<SCRIPT language=javascript1.2 type=text/javascript>
 
var snowsrc="//zsuzsa.gportal.hu/portal/zsuzsa/image/gallery/1414696417_08.png" //  kép url-je
 
var no = 100;
 
var ns4up = (document.layers) ? 1 : 0;
 
var ie4up = (document.all) ? 1 : 0;
 
var ns6up = (document.getElementById&&!document.all) ? 1 : 0;
 
var dx, xp, yp;
 
var am, stx, sty;
 
var i, doc_width = 1500, doc_height = 1500; // képernyő méretek
 
 
if (ns4up||ns6up) {
 
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;
 
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' top='15' visibility='show'><img src='"+snowsrc+"' border='0'></layer>");
 
} else if (ie4up||ns6up) {
 
document.write("<div id='dot"+ i +"' style='POSITION: absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT: 15px;'><img src='"+snowsrc+"' 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()", 10);
 
}
 
function snowIE_NS6() { // IE and NS6 funkció
 
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 = ns6up?window.innerWidth : document.body.clientWidth;
 
doc_height = ns6up?window.innerHeight : document.body.clientHeight;
 
}
 
dx[i] += stx[i];
 
if (ie4up){
 
document.all["dot"+i].style.pixelTop = yp[i];
 
document.all["dot"+i].style.pixelLeft = xp[i] + am[i]*Math.sin(dx[i]);
 
}
 
else if (ns6up){
 
document.getElementById("dot"+i).style.top=yp[i];
 
document.getElementById("dot"+i).style.left=xp[i] + am[i]*Math.sin(dx[i]);
 
}
 
}
 
setTimeout("snowIE_NS6()", 10);
 
}
 
if (ns4up) {
 
snowNS();
 
} else if (ie4up||ns6up) {
 
snowIE_NS6();
 
}
</SCRIPT>