<!-- Begin

var no = 25; // Anzahl der Bilder
var speed = 10; // Je kleiner die Zahl, desto schneller die Bewegung
var heart = "dott.gif"; // Name des Bildes
var flag;
var dx, xp, yp;    // Koordination- und Positionsvariablen
var am, stx, sty;  // Variablen fuer Amplitude und Schrittweite
var i, doc_width = 800, doc_height = 600;

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

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();
amx = new Array();
amy = new Array();
stx = new Array();
sty = new Array();
flag = new Array();
for (i = 0; i < no; ++ i) {
 dx[i] = 0;                        // set coordinate variables
 xp[i] = Math.random()*(doc_width-100)+10;  // Positionsvariablen setzen
 yp[i] = Math.random()*doc_height;
 amy[i] = 12+ Math.random()*20;         // Amplitude setzen
 amx[i] = 10+ Math.random()*40;
 stx[i] = 0.02 + Math.random()/10; // Schrittweite x setzen
 sty[i] = 0.7 + Math.random();     // Schrittweite y setzen
 flag[i] = (Math.random()>0.5)?1:0;
 if (ns4up) {                      // Bereiche anlegen
  if (i == 0) {
   document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");
   document.write("top=\"15\" visibility=\"show\"><img src=\"");
   document.write(heart+ "\" border=\"0\"></layer>");
  } else {
   document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");
   document.write("top=\"15\" visibility=\"show\"><img src=\"");
   document.write(heart+ "\" 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(heart+ "\" 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(heart+ "\" border=\"0\"></div>");
  }
 }
}

function snowNS() {  // Animationsfunktion fuer Netscape
 for (i = 0; i < no; ++ i) {  // Ein Schleifendurchlauf fuer jedes Objekt
  if (xp[i] > doc_width-100) {
   dx[i] -= stx[i];   
  }
  if (yp[i] > doc_height-100) {
   xp[i] = 10+ Math.random()*(doc_width-amx[i]-100);
   yp[i] = 0;
   flag[i]=(Math.random()<0.5)?1:0;
   stx[i] = 0.02 + Math.random()/10;
   sty[i] = 0.7 + Math.random();
   doc_width = self.innerWidth;
   doc_height = self.innerHeight;
  }
  if (flag[i])
   dx[i] += stx[i];
  else
   dx[i] -= stx[i];
  if (Math.abs(dx[i]) > Math.PI) {
   yp[i]+=Math.abs(amy[i]*dx[i]);
   xp[i]+=amx[i]*dx[i];
   dx[i]=0;
   flag[i]=!flag[i];
  }
  document.layers["dot"+i].top = yp[i] + amy[i]*(Math.abs(Math.sin(dx[i])+dx[i]));
  document.layers["dot"+i].left = xp[i] + amx[i]*dx[i];
 }
 setTimeout("snowNS()", speed);
}

function snowIE() {  // Animationsfunktion fuer Internet Explorer
 for (i = 0; i < no; ++ i) {  // Ein Schleifendurchlauf fuer jedes Objekt
  if (yp[i] > doc_height-100) {
   xp[i] = 10+ Math.random()*(doc_width-amx[i]-100);
   yp[i] = 0;
   stx[i] = 0.02 + Math.random()/10;
   sty[i] = 0.7 + Math.random();
   flag[i]=(Math.random()<0.5)?1:0;
   doc_width = document.body.clientWidth;
   doc_height = document.body.clientHeight;
  }
  if (flag[i])
   dx[i] += stx[i];
  else
   dx[i] -= stx[i];
  if (Math.abs(dx[i]) > Math.PI) {
   yp[i]+=Math.abs(amy[i]*dx[i]);
   xp[i]+=amx[i]*dx[i];
   dx[i]=0;
   flag[i]=!flag[i];
  }
  if (xp[i]+ amx[i]*dx[i] > doc_width-90) {
   stx[i] = -stx[i];
  }
  document.all["dot"+i].style.pixelTop = yp[i] + amy[i]*(Math.abs(Math.sin(dx[i])+dx[i]));
  document.all["dot"+i].style.pixelLeft = xp[i] + amx[i]*dx[i];
 }
 setTimeout("snowIE()", speed);
}

if (ns4up) {snowNS();} 
else if (ie4up) {snowIE();}
// End -->
