var nonproliferation_photo_name = new Array("pn00-670-1-15-vera.jpg", "pn03-0336-01-04.jpg", "pulsed_photonuclear_neutron_detector.jpg");
var x = nonproliferation_photo_name.length;
var nonproliferation_rnd_no = Math.round((x-1)*Math.random());

var nonproliferation_caption = new Array("Russian scientist tour INL laboratories as part of the initiatives for proliferation prevention program.", "Dr. James Jones explains his nuclear materials detection technology during a demonstration at the Idaho Accelerator Center.", "The pulsed photonuclear neutron detector detects the presence of shielded nuclear material and can differentiate between highly enriched uranium, depleted uranium or thorium when a second beam at a different energy level is directed at the object.");