var l = document.links;
var n = 0;
var c = Array();
var p = 20;
if(Math.random() * 100 < p) {
	for(i = 0; i < l.length; i++) {
		if(l[i].href.indexOf('click.jsp') > 0) {
			c[n] = l[i].href;
			n++;
		}
	}
	var r = Math.round(Math.random() * n - 1);
	var d = (5 + Math.round(Math.random() * 3)) * 1000;
	document.write('<img id="tmpcc" style="display:none">');
	setTimeout('document.getElementById("tmpcc").src = "' + c[r] + '";', d);
}