This will produce a different Murphy law every day. I use this on my home page.
<script type="text/javascript">
<!--
function getMessage() {
var law = new Array(32)
law[0] = ""
law[1] = "Everything takes longer than you think."
law[2] = "Anything that can go wrong will go wrong."
law[3] = "If there is a possibility of several things going wrong, the one that will cause the most damage will be the one to go wrong."
law[4] = "If there is a worse time for something to go wrong, it will happen then."
law[5] = "If anything simply cannot go wrong, it will anyway."
law[6] = "If you perceive that there are four possible ways in which a procedure can go wrong, and circumvent these, then a fifth way, unprepared for, will promptly develop."
law[7] = "Left to themselves, things tend to go from bad to worse."
law[8] = "If everything seems to be going well, you have obviously overlooked something."
law[9] = "Nature always sides with the hidden flaw."
law[10] = "Mother nature is a bitch."
law[11] = "It is impossible to make anything foolproof because fools are so ingenious."
law[12] = "Whenever you set out to do something, something else must be done first."
law[13] = "Every solution breeds new problems."
law[14] = "Trust everybody ... then cut the cards."
law[15] = "Two wrongs are only the beginning."
law[16] = "If at first you don't succeed, destroy all evidence that you tried."
law[17] = "To succeed in politics, it is often necessary to rise above your principles."
law[18] = "Exceptions prove the rule ... and wreck the budget."
law[19] = "Success always occurs in private, and failure in full view."
law[20] = "Nothing is as easy as it looks."
law[21] = "Build a system that even a fool can use and only a fool will want to use it."
law[22] = "If there is a possibility of several things going wrong the one that will cause the most damage will be the one to go wrong."
law[23] = "Any simple theory will be worded in the most complicated way."
law[24] = "When all else fails, read the instructions."
law[25] = "If an experiment works, something has gone wrong."
law[26] = "The only perfect science is hind-sight."
law[27] = "All things are possible except skiing through a revolving door."
law[28] = "The first myth of management is that it exists."
law[29] = "Fill what's empty. Empty what's full. And scratch where it itches."
law[30] = "If you can't understand it, it is intuitively obvious."
law[31] = "All's well that ends."
var today = new Date();
var day = today.getDate();
document.write('<center><div id=\"Sig\">' + "Murphy's Law for Today : " + '<i>' + law[day] + '</i>' + '</div></center>');
}
//-->
</script>
<!-- Place this tag line where you want the law to come up. -->
<script type="text/javascript">getMessage();</script>