var no = 2;

  var ns4up = (document.layers) ? 1 : 0;
  var ie4up = (document.all) ? 1 : 0;

  var dx, xp, yp;   
  var am, stx, sty; 
  var i, x_len , y_len , doc_width = 800, doc_height = 600;
  
  if (ns4up) {
    doc_width = self.innerWidth;
    if (self.outerHeight>self.innerHeight)
      doc_height = self.outerHeight;
    else
      doc_height = self.innerHeight;
  } else if (ie4up) {
    doc_width = document.body.clientWidth;
    if (document.body.scrollHeight>document.body.clientHeight) 
      doc_height = document.body.scrollHeight;
    else
      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-100); 
    yp[i] = Math.random()*(doc_height-30);
    am[i] = Math.random()*20;
    stx[i] = 0.02 + Math.random()/10;
    sty[i] = 1.7 + Math.random();
  }
  x_len = 28;
  y_len = 28;
    if (ns4up) { 
      document.write("<layer name=\"dot0\" left=\"15\" top=\"15\" visibility=\"show\"><img src='data/star2.gif' border=\"0\"></layer>");
      document.write("<layer name=\"dot1\" left=\"15\" top=\"15\" visibility=\"show\"><img src='data/star2.gif' border=\"0\"></layer>");
      document.write("<layer name=\"dot2\" left=\"15\" top=\"15\" visibility=\"show\"><img src='data/12.gif' border=\"0\"></layer>");
    } else if (ie4up) {
      document.write("<div id=\"dot0\" style=\"POSITION: absolute; Z-INDEX: 2; VISIBILITY: visible; TOP: 15px; LEFT: "+y_len+"px;\"><img src='data/star2.gif' border=\"0\"></div>");
      document.write("<div id=\"dot1\" style=\"POSITION: absolute; Z-INDEX: 1; VISIBILITY: visible; TOP: 15px; LEFT: "+y_len+"px;\"><img src='data/star2.gif' border=\"0\"></div>");
      document.write("<div id=\"dot2\" style=\"POSITION: absolute; Z-INDEX: 0; VISIBILITY: visible; TOP: 15px; LEFT: "+y_len+"px;\"><img src='data/12.gif' border=\"0\"></div>");
    }
  
  function plumNS() {
    if (self.outerHeight>self.innerHeight)
      doc_height = self.outerHeight;
    else
      doc_height = self.innerHeight;
    doc_width = self.innerWidth;
    document.layers["dot2"].top = doc_height-self.innerHeight+10;
    document.layers["dot2"].left = doc_width-200;
    for (i = 0; i < no; ++ i) { 
      yp[i] += sty[i];
      if (yp[i] > (doc_height-80)) {
        xp[i] = Math.random()*(doc_width-am[i]-100);
        yp[i] = doc_height-self.innerHeight+20;
        stx[i] = 0.02 + Math.random()/10;
        sty[i] = 1.7 + Math.random();
      }
      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("plumNS()", 50);
  }

  function plumIE() {
    if (document.body.scrollHeight>document.body.clientHeight) 
      doc_height = document.body.scrollHeight;
    else
      doc_height = document.body.clientHeight;
    doc_width = document.body.clientWidth;
    document.all["dot2"].style.pixelTop = doc_height-document.body.clientHeight+10;
    document.all["dot2"].style.pixelLeft = doc_width-200;
    for (i = 0; i < no; ++ i) {
      yp[i] += sty[i];
      if (yp[i] > (doc_height-80) ){
        xp[i] = Math.random()*(doc_width-am[i]-100);
        yp[i] = doc_height-document.body.clientHeight+20;
        stx[i] = 0.02 + Math.random()/10;
        sty[i] = 1.7 + Math.random();
      }
      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("plumIE()", 50);
  }

  if (ns4up) {
    plumNS();
  } else if (ie4up) {
    plumIE();
  }