function random_imglink(){

var myimages=new Array()

myimages[1]="http://www.getreadyforflu.org/cdc/header_vac.jpg"

myimages[2]="http://www.getreadyforflu.org/cdc/header_boy_vac.jpg"

myimages[3]="http://www.getreadyforflu.org/cdc/header_lab.jpg"

myimages[4]="http://www.getreadyforflu.org/cdc/header_pressure.jpg"





var ry=Math.floor(Math.random()*myimages.length)

if (ry==0)

ry=1

document.write('<img src="'+myimages[ry]+'" border=0>')

}

random_imglink()