<!--


function startBallPulse() {

   daStep=5;
   
   if (typeof going == "undefined") {
      going="down";
   }
   aktX=document.getElementById("kugel").width;
   aktY=document.getElementById("kugel").height;
   //alert("width:  " + x + "\n" + "height: " + y);
   if (going=="down") {
      changeBallSizeDown();
   }
   if (going=="up") {
      changeBallSizeUp();
   }
   
   setTimeout("startBallPulse()",100);
}


function changeBallSizeUp() {
   document.getElementById("kugel").width=aktX+daStep;		// Breite vergrößern
   document.getElementById("kugel").height=aktY+daStep;		// Höhe vergrößern

   posY=document.getElementById("kugel").style.marginTop;
   newY=eval(posY.substring(0, posY.length-2) + "-" + daStep/2) + "px";

   document.getElementById("kugel").style.marginTop=newY;
   
   //posX=document.getElementById("KugelDIV").style.left;
   //newX=eval(posX.substring(0, posX.length-2) + "-" + daStep/2) + "px";
   
   //document.getElementById("KugelDIV").style.left=newX;

   if (document.getElementById("kugel").height >= 360) {
      document.getElementById("kugel").style.marginTop="0px";
      going="down";
   }
}

function changeBallSizeDown() {
   document.getElementById("kugel").width=aktX-daStep;
   document.getElementById("kugel").height=aktY-daStep;
   
   posY=document.getElementById("kugel").style.marginTop;
   newY=eval(posY.substring(0, posY.length-2) + "+" + daStep/2) + "px";

   document.getElementById("kugel").style.marginTop=newY;
   
   //posX=document.getElementById("KugelDIV").style.left;
   //newX=eval(posX.substring(0, posX.length-2) + "+" + daStep/2) + "px";
   
   //document.getElementById("KugelDIV").style.left=newX;
   
   if (document.getElementById("kugel").height <= 270) {
      //alert(document.getElementById("kugel").style.marginTop);
      going="up";
   }
}


-->