var mess = new Array('<img src="http://www.folkhousecafe.co.uk/wp-content/uploads/2010/12/cheekymonkeys.jpg" width="940px" height="180px" alt="" />','<img src="http://www.folkhousecafe.co.uk/wp-content/uploads/2010/12/thrupass.jpg" width="940px" height="180px" alt="" />','<img src="http://www.folkhousecafe.co.uk/wp-content/uploads/2010/12/teashelf_9402.jpg" width="940px" height="180px" alt="" />','<img src="http://www.folkhousecafe.co.uk/wp-content/uploads/2010/12/chcobrownielabel.jpg" width="940px" height="180px" alt="" />','<img src="http://www.folkhousecafe.co.uk/wp-content/uploads/2010/12/grimace.jpg" width="940px" height="180px" alt="" />');
var max = mess.length;
var num = Math.floor((Math.random() * max));
document.writeln(mess[num]);