SecImage = new Array
	("http://navajo.nsuok.edu/graduate/images/randsec/rand01.jpg",
	"http://navajo.nsuok.edu/graduate/images/randsec/rand02.jpg",
	"http://navajo.nsuok.edu/graduate/images/randsec/rand03.jpg",
	"http://navajo.nsuok.edu/graduate/images/randsec/rand04.jpg",
	"http://navajo.nsuok.edu/graduate/images/randsec/rand05.jpg",
	"http://navajo.nsuok.edu/graduate/images/randsec/rand06.jpg",
	"http://navajo.nsuok.edu/graduate/images/randsec/rand07.jpg",
	"http://navajo.nsuok.edu/graduate/images/randsec/rand08.jpg",
	"http://navajo.nsuok.edu/graduate/images/randsec/rand09.jpg",
	"http://navajo.nsuok.edu/graduate/images/randsec/rand10.jpg",
	"http://navajo.nsuok.edu/graduate/images/randsec/rand11.jpg",
	"http://navajo.nsuok.edu/graduate/images/randsec/rand12.jpg",
	"http://navajo.nsuok.edu/graduate/images/randsec/rand13.jpg")
	

SecimgCt = SecImage.length

function chooseSecImage() {
   if (document.images) {
      randomNum = Math.floor
	  	((Math.random() * SecimgCt))
      }
	document.displaySec.src = SecImage[randomNum];
}