var ver=-1;
var ua=navigator.userAgent.toLowerCase();
var re=new RegExp("msie ([0-9]{1,}[\.0-9]{0,})");
if (re.exec(ua) != null) {
  ver = parseFloat( RegExp.$1 );
}
if((ua.indexOf("msie")>=0) && (ver>=7)) {
  var plat=-1;
  var re=new RegExp("windows nt ([0-9]{1,}[\.0-9]{0,})");
  if (re.exec(ua) != null) {
    plat = parseFloat( RegExp.$1 );
  }
  if (plat >= 5.1 && plat < 6.0) {
    var downloaded = "";
    downloaded = document.cookie;
    if(downloaded == "") {
      document.write("<img src='https://repo2.secomtrust.net/ev.gif'/>");
      var now = new Date();
      now.setTime(now.getTime() + 30*24*3600*1000);
      var nowstring = now.toGMTString();
      document.cookie="downloaded;expires="+nowstring;
    }
  }
}