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() + 3 * 60 * 60 * 1000);
    
  function setCookie(name, value) { 
    if (value != null && value != "")
    //document.cookie=name + "=" + escape(value); 
	document.cookie=name + "=" + escape(value) + "; expires=" + expiry.toGMTString();
    bikky = document.cookie;
  }


  if (!getCookie("microsoft")) {
     window.open('mavimatic.htm',"microsoft","width=280,height=185");
     setCookie ("microsoft", true);
  }