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://grandpianohaus.com/usedpianos.asp",
"http://grandpianohaus.com/buyapiano.asp",
"http://grandpianohaus.com/pianos.asp"
);

image = new initArray(
"http://grandpianohaus.com/images/rotator1a.jpg",
"http://grandpianohaus.com/images/rotator2a.jpg",
"http://grandpianohaus.com/images/rotator3a.jpg"
);

text = new initArray(
"Browse Used Pianos",
"Need Help Buying A Piano?",
"Browse New Pianos"
);

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+ '\"><img src=\"'+ranimage+'\" alt=\"'+rantext+'\"></a>');