This javascript cut & paste code snippet will give you an easy way to instantly send the visitor to a random HTML page you list. Simply enter the random document URL's you want shown and the pages will automatically rotate.

Insert this code into your HEAD of HTML

<!-- // == This Script Free To Use Providing This Notice Remains == // // == This Script Has Been Found In The http://www.DesignerWiz.com Javascript Public Archive Library == // // == NOTICE: Though This Material May Have Been In A Public Depository, Certain Author Copyright Restrictions May Apply == // --><script language="JavaScript" type="text/javascript"> <!-- Begin var howMany = 3; // max number of items listed below var page = new Array(howMany+1); page[0]="first-random-page.html"; page[1]="second-random-page.html"; page[2]="third-random-page.html"; function rndnumber(){ var randscript = -1; while (randscript < 0 || randscript > howMany || isNaN(randscript)){ randscript = parseInt(Math.random()*(howMany+1)); } return randscript; } quo = rndnumber(); quox = page[quo]; window.location=(quox); // End --> </script>

Simply Cut and Paste Script code
Be sure to properly place script position in HEAD section of html 

This script has been in the DesignerWiz.com Public Library.