// JavaScript Document
y = 0;
ad = new Array(y);
ad[y++] = '<img src="banners/ex_120.gif" border="0">'
ad[y++] = '<a href="http://www.apbp.com.br"><img src="banners/apbp_120.gif" border="0"></a>'
x = Math.floor(Math.random()*(y));
document.write(ad[x])