var totallinks=2

var ad=new Array(totallinks)

ad[0]=" <a href=http://x.azjmp.com/4VMFv?sub=essaywriting target=_blank>Education Guide</a>"

ad[1]=" <a href=http://www.dpbolvw.net/click-3668636-10313601 target=_top>Free Scholarship Search</a><img src=http://www.awltovhc.com/image-3668636-10313601 width=1 height=1 border=0>"

var randomnumber=Math.floor(Math.random()*totallinks)

var cont=ad[randomnumber]
document.write(cont)