function displaySpeaker1() {

	var image01 = "images/featured_speaker01.jpg";
	
	var myArray = new Array(image01, image01);
	var i = Math.floor(Math.random() * myArray.length);
	document.write('<img src="' + myArray[i] + '" border="0">');
	
}

function displaySpeaker2() {

	var image01 = "images/featured_speaker02.jpg";
	var image02 = "images/featured_speaker02b.jpg";
	
	var myArray = new Array(image01, image02);
	var i = Math.floor(Math.random() * myArray.length);
	document.write('<img src="' + myArray[i] + '" border="0">');
	
}

function displaySpeaker3() {

	var image01 = "images/featured_speaker03.jpg";
	
	var myArray = new Array(image01, image01);
	var i = Math.floor(Math.random() * myArray.length);
	document.write('<img src="' + myArray[i] + '" border="0">');
	
}

function displaySpeaker4() {

	var image01 = "images/featured_speaker04.jpg";
	
	var myArray = new Array(image01, image01);
	var i = Math.floor(Math.random() * myArray.length);
	document.write('<img src="' + myArray[i] + '" border="0">');
	
}

function displaySpeaker5() {

	var image01 = "images/featured_speaker05.jpg";
	
	var myArray = new Array(image01, image01);
	var i = Math.floor(Math.random() * myArray.length);
	document.write('<img src="' + myArray[i] + '" border="0">');
	
}