//store the quotations in arrays
quotes = new Array(3);
quotes[0] = "Everyone was not looking down on the next person and was very positive and very helpful and open to suggestions.";
quotes[1] = "It has taught our entire family healthy life-time goals to staying and becoming healthy forever.";
quotes[2] = "Overall, I think the program is excellent.";
quotes[3] = "We actually have changed our concept of our entire eating habits and exercise completely.";

//calculate a random index
index = Math.floor(Math.random() * quotes.length);

//display the quotation
document.write(quotes[index]);