//Generate a random number.
var random = Math.random()
var random10 = random * (quote.length - 1)
var randomRound = Math.round(random10)
var randomplusone = randomRound + 1;

//Use the random number to display a quote.
document.write("<B>Random thought number " + randomplusone + " of " + quote.length + "<br>(<a href='allQuotes.html'>Collect them all</a>):</b><br>" + quote[randomRound]);