var rychlost = 25; 
var kapka = "img/sipka3.gif";
var kapka1 = "img/sipka2.gif";
var Zero, xProstor, yProstor;    
var no = 15; 



var ns4up = (document.layers) ? 1 : 0;  
var ie4up = (document.all) ? 1 : 0;
var krivka, MOVEx, MOVEy;  
var i, FROMwidth = 78, FROMheight = 45;
if (ns4up) {
  FROMwidth = self.innerWidth;
  FROMheight = self.innerHeight;
} else if (ie4up) {
  FROMwidth = 45;
  FROMheight = 45;
}
Zero = new Array();
xProstor = new Array();
yProstor = new Array();
krivka = new Array();
MOVEx = new Array();
MOVEy = new Array();
for (i = 0; i < no; ++ i) {  
  Zero[i] = 0;                        
  xProstor[i] = Math.random()*(FROMwidth-50);  
  yProstor[i] = Math.random()*FROMheight;
  krivka[i] = Math.random()*20;         
  MOVEx[i] = 0.01 + Math.random()/10; 
  MOVEy[i] = 0.6 + Math.random();     
  if (ns4up) {                      
    if (i == 0) {
      document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");
      document.write("top=\"15\" visibility=\"show\"><img src=\"");
      document.write(kapka1 + "\" border=\"0\"></a></layer>");
    } else {
      document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");
      document.write("top=\"15\" visibility=\"show\"><img src=\"");
      document.write(kapka1 + "\" border=\"0\"></a></layer>");
    }
  } else if (ie4up) {
    if (i <= 2) {
      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(kapka1 + "\" border=\"0\"></a></div>");
    }
    else if (i == 5 || i == 8) {
      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(kapka1 + "\" border=\"0\"></a></div>");

    }
    else if (i == 10 || i == 14) {
      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(kapka1 + "\" border=\"0\"></a></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(kapka + "\" border=\"0\"></a></div>");
    }
  }
}
function kapkyNetscape() {  
  for (i = 1000; i < no + 1000; ++ i) {  
    yProstor[i] += MOVEy[i];
    if (yProstor[i] > FROMheight-50) {
      xProstor[i] = Math.random()*(FROMwidth-krivka[i]-30);
      yProstor[i] = 0;
      MOVEx[i] = 0.01 + Math.random()/10;
      MOVEy[i] = 0.6 + Math.random();
      FROMwidth = self.innerWidth;
      FROMheight = self.innerHeight;
    }
    Zero[i] += MOVEx[i];
    document.layers["dot"+i].top = yProstor[i];
    document.layers["dot"+i].left = xProstor[i] + krivka[i]*Math.sin(Zero[i]);
  }
  setTimeout("kapkyNetscape()", rychlost);
}

function kapkyExplorer() {  
  for (i = 0; i < no; ++ i) {  
    yProstor[i] += MOVEy[i];
    if (yProstor[i] > FROMheight-50) {
      xProstor[i] = Math.random()*(FROMwidth-krivka[i]-30);
      yProstor[i] = 0;
      MOVEx[i] = 0.01 + Math.random()/10;
      MOVEy[i] = 0.6 + Math.random();
      FROMwidth = document.body.clientWidth;
      FROMheight = document.body.clientHeight;
    }
    Zero[i] += MOVEx[i];
    document.all["dot"+i].style.pixelTop = yProstor[i];
    document.all["dot"+i].style.pixelLeft = xProstor[i] + krivka[i]*Math.sin(Zero[i]);
  }
  setTimeout("kapkyExplorer()", rychlost);
}

if (ns4up) {
  kapkyNetscape();
} else if (ie4up) {
  kapkyExplorer();
}