var total = 7;

var refs = [
"http://www.arctogaia.com/public/templars/crowly.htm#lyapun",
"http://www.arctogaia.com/public/templars/klyu.htm#chai",
"http://imperium.lenin.ru/LENIN/13/Meladze.html",
"http://www.arctogaia.com/public/granizy.html",
"http://arctogaia.org.ru/FORUMS/",
"http://www.arctogaia.com/public/antifa.htm",
"http://www.arctogaia.com/public/dug7.htm",
];


var rn = Math.random();
var ch = Math.floor(rn * total);
var ln = refs[ch];
document.writeln("<a href=\"" + ln + "\"><img src=\"http://arctogaia.com/java/a3/a" + (ch+1) + ".gif\" width=150 height=80 alt=\"\" border=\"0\"></a>");