window.onload = choosePic;

var myPics = new Array ("images/random/a.jpg", "images/random/b.jpg","images/random/c.jpg", "images/random/d.jpg", "images/random/e.jpg", "images/random/f.jpg");

function choosePic() {
	randomNum = Math.floor((Math.random() * myPics.length));
	
	document.getElementById("project_images").src = myPics[randomNum];
}