<HTML>
<HEAD>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-2">
<!-- Skrypt pochodzi z ksiki "101 praktycznych skryptw"  -->
<!-- autor: Marcin Lis    e-mail: 101scripts@marcinlis.com  -->
<SCRIPT LANGUAGE= "JavaScript" type= "text/javascript">
<!-- Ukrycie przed przegldarkami nie obsugujcymi JavaScriptu
var speed = 10;
var x = 0;
var amplitude = 100;
var posTop = 200;
var smooth = 100;
var sWidth;
var selector;
function ustaw(){
 selector = document.getElementById('ball').style;
 if (document.all){
         sWidth = document.body.clientWidth;
 }
 else{
         sWidth = document.width;
 }
 selector.left = 0;
}
var z = 0;
function start(){
 z += Math.PI / smooth;
 y = Math.ceil((Math.sin(z) * amplitude)) + posTop;
 x = parseInt(selector.left);
 if (x > sWidth - 50) x = 0;
 selector.left = ++x;
 selector.top = y;
 setTimeout("start()", speed);
}
// Koniec kodu JavaScript -->
</SCRIPT>
</HEAD>
<BODY onLoad='ustaw();start();'>
<SCRIPT LANGUAGE= "JavaScript" type= "text/javascript">
<!-- Ukrycie przed przegldarkami nie obsugujcymi JavaScriptu
for (i = 0; i < 1;i++){
 str = '<DIV    ID="ball" ';
 str += 'style = "visibility: visible; ';
 str += 'width=50px; ';
 str += 'heigth=45px; ';
 str += 'position: absolute; ';
 str += 'top: 1; ';
 str += 'left: 1;">';
 str += '<IMG SRC="ball.gif">';
 str += '</DIV>';
 document.write(str);
}
// Koniec kodu JavaScript -->
</SCRIPT>
<H1 align="center">Tre strony<H1>
</BODY>
</HTML>
