Simple Image Replacement
<html> <head> <title>Replacing Images</title> <script language="JavaScript"> var ix = 0 function changeImages(milliseconds) { window.setInterval("changeImage()", milliseconds) } function changeImage() { ++ix; ix %= 6; var imageRef = document.images[0]; imageRef.src = "http://www.java2s.com/style/"+ix+".gif"; } </script> </head> <body onload="changeImages(500)"> <p align="center"><img id="changeme" src="http://www.java2s.com/style/1.gif"></p> </body> </html>