var images=new Array();
<!-- Begin Image List -->
images[0]="http://www.cape-yachts.com/images/quotes/1.gif";
images[1]="http://www.cape-yachts.com/images/quotes/2.gif";
images[2]="http://www.cape-yachts.com/images/quotes/3.gif";
images[3]="http://www.cape-yachts.com/images/quotes/4.gif";
images[4]="http://www.cape-yachts.com/images/quotes/5.gif";
images[5]="http://www.cape-yachts.com/images/quotes/6.gif";
images[6]="http://www.cape-yachts.com/images/quotes/7.gif";
<!-- End Image List -->

var randomNumber=Math.floor(Math.random()*images.length);
dynElement = document.createElement("img");
dynElement.setAttribute("src", images[randomNumber]);

function int(){
document.getElementById('quote').appendChild(dynElement);
}