<SCRIPT LANGUAGE="JavaScript1.2">
    <!-- Begin
    var no = 25; // количество снежинок
    var speed = 10; // скорость падения снежинок
    var snowflake = "адрес_снежинки";

    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 -->
    </script>