var MNews = new Array();

MNews[0]= '<A HREF="http://www.wmonline.com.br" target="_blank"><IMG SRC="http://www.wmonline.com.br/banners/120x60w.gif" WIDTH=120 HEIGHT=60 BORDER=0></a>',
MNews[1]= '<A HREF="http://www.hospedar-se.com" target="_blank"><IMG SRC="http://www.hospedar-se.com/banners/120x60_1.gif" WIDTH=120 HEIGHT=60 BORDER=0></a>',
MNews[2]= '<A HREF="http://www.jlouco.com.br" target="_blank"><IMG SRC="http://www.jlouco.com.br/banners/120x60_01.gif" WIDTH=120 HEIGHT=60 BORDER=0></a>'

var Numero = Math.floor(Math.random()*3);
document.write(MNews[Numero]);