function showquotes() {
//store the quotations in arrays
quotes = new Array(8);
quotes[0] = "\"The staff is phenomenal, and Dr. Attar is responsible for my Hollywood smile!\" -Karin";
quotes[1] = "\"I'm not only a fan... I'll be a patient at Pearl Dental as long as I have teeth!\" -Karin";
quotes[2] = "\"You never have to wait around... they make sure patients are seen promptly.\" - Karin";
quotes[3] = "\"Seriously, Pearl Dental is a life altering experience.\" - Gregg";
quotes[4] = "\"[Their] professionalism is second to none.\" - Gregg";
quotes[5] = "\"I actually love going to the dentist!\" - Gregg";
quotes[6] = "\"I feel confident with my smile!\" - Karli";
quotes[7] = "\"Thanks Pearl, for putting the sunshine in my smile!\" - Mary";
//calculate a random index
index = Math.floor(Math.random() * quotes.length);
//display the quotation
document.getElementById('quotes').innerHTML = quotes[index];
//done
}