var CookieValue = getCookie('aatethys');
if (CookieValue == "")
   {
        var days = "15";
        var name = "aatethys"
         var date = new Date();
         var value = location.href;
         date.setTime(date.getTime()+(days*24*60*60*1000));
         var expires = "; expires="+date.toGMTString();
          document.cookie = name+"="+value+expires + "; path=/";           
     }

function getCookie(c_name)
{
if (document.cookie.length>0)
  {
  c_start=document.cookie.indexOf(c_name + "=");
  if (c_start!=-1)
    {
    c_start=c_start + c_name.length+1 ;
    c_end=document.cookie.indexOf(";",c_start);
    if (c_end==-1) c_end=document.cookie.length
    return unescape(document.cookie.substring(c_start,c_end));
    }
  }
return ""
}