var iframeurls=new Array()
//specify random URLs below.
iframeurls[0]="http://www.romelo.com/banner_125x125_romelo.html"
iframeurls[1]="http://www.kabalyero.com/banner_125x125_kabalyero.html"
iframeurls[2]="http://www.i-tong.com/banner_125x125_i-tong.html"
iframeurls[3]="http://www.sanpablocity.net/banner_125x125_sanpablocity.html"
iframeurls[4]="http://www.slmerchants.com/banner_125x125_slmerchants.html"
iframeurls[5]="http://www.freeplaymmo.com/banner_125x125_freeplaymmo.html"

var ry=Math.floor(Math.random()*iframeurls.length)
document.getElementById("myframe").src=iframeurls[ry]