Arkaplan renginizin devamlı olarak hoş bir şekilde değişmesi

<script type="text/javascript">
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function mouseMoving(e){
  if( window.event){   
    actual_x = document.body.scrollLeft+window.event.clientX;
    actual_y = document.body.scrollTop+window.event.clientY;
    }else{
    actual_x = e.pageX;         
    actual_y = e.pageY;
    }   
                                       
    actual_x = Math.abs((Math.round(actual_x/4)%256)-122)*2;
    actual_y = Math.abs((Math.round(actual_y/4)%256)-122)*2;
    green = Math.round(((255-actual_x) + (255-actual_y))/2);
    body_elm = document.getElementsByTagName('body')[0].style;
    body_elm.backgroundColor="rgb("+actual_y+","+green+","+actual_x+")";
    }
   
    document.onmousemove = mouseMoving;
// -->
</script>