<%
String[] ads = new String[] { "valueclick.jsp", "aaddzz.html", "leadcrunch.html" };
int[] probs = new int[] { 100, 0, 0 };
int tot = 0;
for (int x =0; x < probs.length; x++) tot += probs[x];
double f = Math.random();
double t = 0;
String forward = ads[0];
for (int x = 0; x < ads.length; x++) {
	t += ((double)probs[x]/tot);
	if (t > f) {
		forward = ads[x];
		break;
	}
}
%><jsp:include page="<%=forward%>" flush="true"/>