Lo que puedes hacer es hacerlo en Java, aqui te dejo un ejemplo, esta tomado del Deposito de JavaScript
:
primero pones este código:
<!-- PRIMER PASO: Copiar dentro del tag BODY -->
<script language="JavaScript1.1" src="frases.js">
</script>
y despues aqui pones las frases:
var quotes=new Array()
//cambiar las frases
quotes[0]='There are some people who live in a dream world, and there are some who face reality; and then there are those who turn one into the other. <i>-By Douglas Everett</i>'
quotes[1]='Whether you think you can or whether you think you can\'t, you\'re right! <i>-Henry Ford</i>'
quotes[2]='I know of no more encouraging fact than the unquestionable ability of man to elevate his life by conscious endeavor. <i>-Henry David Thoreau</i>'
quotes[3]='Do not let what you cannot do interfere with what you can do. <i>-John Wooden</i>'
quotes[4]='Accept everything about yourself - I mean everything, You are you and that is the beginning and the end - no apologies, no regrets. <i>-Clark Moustakas</i>'
quotes[5]='We must accept life for what it actually is - a challenge to our quality without which we should never know of what stuff we are made, or grow to our full stature. <i>-Ida R. Wylie</i>'
quotes[6]='High achievement always takes place in the framework of high expectation. <i>-Jack Kinder</i>'
quotes[7]='The measure of a man is the way he bears up under misfortune. <i>-Plutarch</i>'
quotes[8]='Don\'t wait for your ship to come in, swim out to it. <i>-Anon</i>'
...
Puedes poner todos los cuotes que quieras y al final pones esto:
var whichquote=Math.floor(Math.random()*(quotes.length ))
document.write(quotes[whichquote])
espero te sirva
saludos y suerte
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