var currentdate = 0;
var core = 0;
var num = 5;

function initArray() {

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

image = new initArray(
"/uploads/posts/ph/654hfgdf.gif",
"/uploads/posts/ph/585312735.gif",
"/uploads/posts/ph/b1.gif",
"/uploads/posts/ph/b2.gif",
"/uploads/posts/ph/b3.gif"
);

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

document.write('<a target="_blank" href="http://nightwarez.ru/engine/go.php?url=aHR0cDovL3h0cmVtZS53cy8%3D" ><img src="'+ranimage+'" width="468" height="60" border="0"></a>');