<!--

var no = 10; // количество снежинок
var speed = 5; // скорость снежинок
var snowflake = "/snow.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 = 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;
  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\" width=\"1%\" 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; WIDTH: 1%;\"><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 - 30) {
      xp[i] = Math.random()*(doc_width-am[i]-50);
      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 - 30) {
      xp[i] = Math.random()*(doc_width-am[i]-50);
      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.body.scrollTop;
    document.all["dot"+i].style.pixelLeft = xp[i] + am[i]*Math.sin(dx[i]);
  }
  setTimeout("snowIE()", speed);
}

if (ns4up) {
  snowNS();
} else 
if (ie4up) {
  snowIE();
}
//-->

