how to add dailly changing image with java script

I have used this java script code more than 2 years to change daily lineup of tv channel it's simple and easy to use you can used this script for  ads, special discount rates for special days, change banners daily, make daily reminders and so on. you can add this code to html body section inside div tags. name your images as week days and save it.

 <SCRIPT LANGUAGE="JavaScript">  
 <!-- This script and many more are available free online at feederpath:http://www.feederpath.com -->  
 today = new Date();  
 day = today.getDay();  
 arday = new Array("sunday.gif", "monday.gif", "tuesday.gif",  
 "wednesday.gif", "thursday.gif", "friday.gif", "saturday.gif");  
 document.write("<img src='" + arday[day] + "'>");  
 </SCRIPT>  

you are done