// JavaScript Document
 lArray=new Array(
"http://www.mpcer.nau.edu/isotopelab/images/java_images/image1.jpg",
"http://www.mpcer.nau.edu/isotopelab/images/java_images/image2.jpg",
"http://www.mpcer.nau.edu/isotopelab/images/java_images/image3.jpg",
"http://www.mpcer.nau.edu/isotopelab/images/java_images/image4.jpg",
"http://www.mpcer.nau.edu/isotopelab/images/java_images/image5.jpg",
"http://www.mpcer.nau.edu/isotopelab/images/java_images/image6.jpg");
rl=Math.floor(lArray.length*Math.random());
imagel='<IMG SRC="'+ lArray[rl]+ '" BORDER=0 align="left" hspace="10" title="Photo by Daniel Boone, NAU">';