Poniżej zamieszczam kod, liczę na pomoc.
slide.html
slide.js
//<![CDATA[ window.onload=function() { window.setTimeout('slideIt();'); window.setTimeout('slideIn();', 3000); }; function slideIt() { var slidingDiv = document.getElementById("d1"); var stopPosition = 50; if (parseInt(slidingDiv.style.left) < stopPosition ) { slidingDiv.style.left = parseInt(slidingDiv.style.left) + 7 + "px"; setTimeout(slideIt, 1); } } function slideIn() { var slidingDiv = document.getElementById("d1"); var stopPosition = -150; if (parseInt(slidingDiv.style.left) > stopPosition ) { slidingDiv.style.left = parseInt(slidingDiv.style.left) - 7 + "px"; setTimeout(slideIn, 1); } } //]]>