function random_img() {
		var random_image = new Array();
		random_image[1] = "http://students.sfu.ca/academicintegrity/images/photo1.jpg";
		random_image[2] = "http://students.sfu.ca/academicintegrity/images/photo2.jpg";
		random_image[3] = "http://students.sfu.ca/academicintegrity/images/photo3.jpg";
		random_image[4] = "http://students.sfu.ca/academicintegrity/images/photo4.jpg";
		random_image[5] = "http://students.sfu.ca/academicintegrity/images/photo5.jpg";
		random_image[6] = "http://students.sfu.ca/academicintegrity/images/photo6.jpg";
		random_image[7] = "http://students.sfu.ca/academicintegrity/images/photo7.jpg";
		random_image[8] = "http://students.sfu.ca/academicintegrity/images/photo8.jpg";
		captions = ['','','','','','','',''];
		var num = Math.floor(Math.random()*random_image.length);
		if (num==0) num=1;
		 document.write('<img src="'+random_image[num]+'" border=0>'+'<br><div class="caption">'+captions[num-1]+'</div>');
		}
		random_img();