JS: Today Date in Image url and Link url

<html>
<head>

<script>
//<![CDATA[
window.onload=function(){

Date.prototype.toMyString = function () {
   //If month/day is single digit value add perfix as 0
    function AddZero(obj) {
          obj = obj + '';
          if (obj.length == 1)
              obj = "0" + obj
          return obj;
    }

    var output = "";
    output += this.getFullYear();
    output += AddZero(this.getMonth()+1);
    output += AddZero(this.getDate());

    return output;
}

var d = new Date();

var link = document.getElementById("image");
link.setAttribute("src","http://cache3-img1.pressdisplay.com/pressdisplay/docserver/getimage.aspx?file=6107"+d.toMyString()+"00000000001001&page=1&scale=44");


var link = document.getElementById("link");
link.setAttribute("href","http://www.pressdisplay.com/pressdisplay/pageview.aspx?issue=6107"+d.toMyString()+"00000000001001");


}//]]>
</script>

</head>

<body>
<center>
<img id="image" width="200"><br/>
<a id="link" href="#">Read Today Epaper</a>
</center>
</body>
</html>