<html> <head> <title>bgcolor change by time </title> <style type="text/css"> p{ line-height:40px; color:#000000; background-color:#00ff00; } </style> <script language="JavaScript"> colors=new Array("red","orange","green","silver") colorIndex=0 function changeColor() { document.bgColor=colors[colorIndex] colorIndex=(colorIndex+1) % colors.length } function startColorChange() { setInterval("changeColor()",3000) } window.onload=startColorChange </script> </head> <body bgcolor=white> <p>the change the Bgcolor every 3 sec.</p> </body> </html>