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.mclass.com.br/index7.html",
"http://www.mclass.com.br/index7.html",
"http://www.mclass.com.br/index7.html",
"http://www.mclass.com.br/index7.html",
"http://www.mclass.com.br/index7.html"
);


image = new initArray(
"http://2.bp.blogspot.com/-gMFXSBtQWss/TYnrGt6sX8I/AAAAAAAABss/aIGBGLupaoo/s1600/01.jpg",
"http://2.bp.blogspot.com/-VRqmLOZfAzA/TYnrGxUD4pI/AAAAAAAABs0/I9HWjR0Fvos/s1600/02.jpg",
"http://4.bp.blogspot.com/-HL5y8KXI1B0/TYnrHM8oiSI/AAAAAAAABs8/DkV_-_epvpg/s1600/03.jpg",
"http://2.bp.blogspot.com/-0DZaqnw3eJE/TYnrHZEtJVI/AAAAAAAABtE/4O_IWVbaRB0/s1600/04.jpg",
"http://1.bp.blogspot.com/-Ejhr9MSeJe8/TYnrHn27o7I/AAAAAAAABtM/_-_8Agmb06U/s1600/05.jpg"
);


text = new initArray(
"",
""
);

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="0" alt=\"'+rantext+'\"></a>');