var howMany = 4
var logo = new Array(howMany+1)
logo[0]="logoMB_02"
logo[1]="logoMB_02"
logo[2]="logoMB_03"
logo[3]="logoMB_03"

logox = logo[Math.ceil(Math.random()*howMany+1)-2]

document.write("<img src='http://swnz.dr-maul.com/images/"+logox+".jpg' ALT='Star Wars fans and collectors of New Zealand'>")