var ar = new Array(
	"<img src=html/sh_img_advocacy_01.jpg WIDTH=250 HEIGHT=110 BORDER=0>",
	"<img src=html/sh_img_leadership_01.jpg WIDTH=250 HEIGHT=110 BORDER=0>",
	"<img src=html/sh_img_mission_01.jpg WIDTH=250 HEIGHT=110 BORDER=0>",
	"<img src=html/sh_img_quality_01.jpg WIDTH=250 HEIGHT=110 BORDER=0>"
);

var num = Math.floor(Math.random() * ar.length);
document.write(ar[num]);