var currentdate = 0;
var core = 0;

function initArray() {

this.length = initArray.arguments.length;
  for (var i = 0; i < this.length; i++) {
  this[i] = initArray.arguments[i];
  }
}

link = new initArray(
"http://www.crowleyhallghosts.com/crowley-hall-dvd.html"
);

image = new initArray(
"http://www.walrusfilms.co.uk/banners/crowley-hall-right-1.jpg"
);

text = new initArray(
"The Ghosts of Crowley Hall Available on DVD"
);

var currentdate = new Date();
var core = currentdate.getSeconds() % image.length;
var ranlink  = link[core];
var ranimage = image[core];
var rantext  = text[core];

document.write('<a href=\"' +ranlink+ '\" target=\"_blank\"><img src=\"'+ranimage+'\" border="1" width="160" height="600" alt=\"'+rantext+'\"></a>');