function mycookie(key){

      var dc = document.cookie ;
      var prefix = key + "=" ;
      var begin = dc.indexOf("; " + prefix) ;
      if (begin == -1)
      {
      begin = dc.indexOf(prefix) ;
      if (begin == -1)
      {
       var expdate = new Date () ;
      expdate.setTime (expdate.getTime() + (1000 * 60 * 60 * 24 * 7)) ;
      document.cookie = key + "=true ; expires=" + expdate.toGMTString() + "; "  ;
      return true;
      }
      }
      alert('\u0634\u0645\u0627 \u0642\u0628\u0644\u0627 \u062F\u0631 \u0627\u06CC\u0646 \u0646\u0638\u0631\u0633\u0646\u062C\u06CC \u0634\u0631\u06A9\u062A \u06A9\u0631\u062F\u0647 \u0627\u06CC\u062F') ;
      return false ;
 }


function check_empty(){
    if(mycookie('null')){
       window.open("http://poll.sb24.com/OMV2/Survey/SurveyPreviewSurvey.aspx?src=publish&SID=33&dtlid=0&LZ=1");
         return true;
    }
    else return false;
}

function k (){ alert('this'); }