/**
 * @author david.burton
 */
var sourceImages = ['/images/left/image1.jpg','/images/left/image2.jpg','/images/left/image3.jpg','/images/left/image4.jpg','/images/left/image5.jpg','/images/left/image6.jpg','/images/left/image7.jpg'];

function setToRandomImage(tagID){
	var randomImage = sourceImages[Math.round(Math.random()*(sourceImages.length-1))];
	document.getElementById(tagID).setAttribute("src",randomImage);
}