Random quote of the day script
from 
http://cssglobe.com/simple-way-to-random-display-or-rotate-content-using/

Follow these 4 simple steps:

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1))   Add this to your page (as many lines as you wish)

<ul id="tips">
	<li>... quote # 1</li>
	<li>... quote # 2</li>
	<li>... quote # 3</li>
	<li>... quote # 4</li>
	<li>... quote # 5</li>
</ul>

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2))  Add the three items below to your website CSS file or place them in your page 'style' header 
      <style type="text/css"> </style> 
      you can change appearance of these parameters to anything you wish:
      [width:__px; | font-size:__px; | font-family:__ | line-height:__%; | padding:__px; | background:#__]

#tips, #tips li{
	margin:0;
	padding:0;
	list-style:none;
	}
#tips{
	width:250px;
	font-size:18px;
	font-family:Times New Roman, Verdana, Tahoma, Arial, Helvetica, sans-serif; 
	line-height:120%;
	}
#tips li{
	padding:20px;
	background:#E1E1E1;
	display:none; /* hide the items at first only */

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3)) Download JQuery.js from http://jquery.com/download/ 
      and place the script wherever you wish on your server,
	  (for example a subfolder /js) - and  then add this to your 
	  page header pointing to the script:
	
script type="text/javascript" src="js/jquery.js"></script>

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4)) Below that in the same header add the following script:

<script type="text/javascript">

this.randomtip = function(){
	var length = $("#tips li").length;
	var ran = Math.floor(Math.random()*length) + 1;
	$("#tips li:nth-child(" + ran + ")").show();
};

$(document).ready(function(){	
	randomtip();
});

</script>

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That's all there is to it... you can add quotes, jokes, tips, or other bits. have fun!