var bikky = document.cookie; 

 function getCookie(name) { 
    var index = bikky.indexOf(name + "=");
    if (index == -1) return null;
    index = bikky.indexOf("=", index) + 1;
    var endstr = bikky.indexOf(";", index);
    if (endstr == -1) endstr = bikky.length;
    return unescape(bikky.substring(index, endstr));
  }
  
  var today = new Date();
  var expiry = new Date(today.getTime() + 24 * 60 * 60 * 1000);
    
  function setCookie(name, value) { 
    if (value != null && value != "")
    document.cookie=name + "=" + escape(value) + "; expires=" + expiry.toGMTString();
    bikky = document.cookie;
  }

  if (!getCookie("bikky")) {
    window.open('http://www.informasesso.com/popup/index.htm',"bikky","width=420,height=90");
    window.focus();
    setCookie ("bikky", true);
  }