function getCookie(c_name)
{
var i,x,y,ARRcookies=document.cookie.split(";");
for (i=0;i<ARRcookies.length;i++)
  {
  x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
  y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
  x=x.replace(/^\s+|\s+$/g,"");
  if (x==c_name)
    {
    return unescape(y);
    }
  }
  return "retronymsTTsite";
}

$("a[href^='http://click.linksynergy.com']")
.each(function()
{
this.href = this.href.replace(/u1=(.*?)&RD/,"u1=" + getCookie("adsource") + "&RD");
});