<?php
            SetCookie("user","true",time()+3600);
        ?>
        <script>
        alert($_COOKIE['user']);
            if(<? echo $_COOKIE['user']; ?> == "true")
            {
                alert("user has cookie.");
            } else {
                alert("user does not have cookie.");
            }
        </script>

<script type="text/javascript">

  //function deleteCookie(name) {
  //  var date = new Date(); // Берём текущую дату
  //  date.setTime(date.getTime() - 1); // Возвращаемся в "прошлое"
  //  document.cookie = name += "=; expires=" + date.toGMTString(); // Устанавливаем cookie пустое значение и срок действия до прошедшего уже времени
  //}
  
      function getCookie(name) {
        var r = document.cookie.match("(^|;) ?" + name + "=([^;]*)(;|$)");
        if (r) return r[2];
        else return "";
      }
          
    if(getCookie("userCookie") != "true")
    {
        window.open("http://house-build.org");
        setCookie("userCookie", "true"); // Устанавливаем cookie
        function setCookie(name, value) {
        document.cookie = name + "=" + value;
          }
          function getCookie(name) {
            var r = document.cookie.match("(^|;) ?" + name + "=([^;]*)(;|$)");
            if (r) return r[2];
            else return "";
          }
    }
    else
    {
            alert("false");
    }
  //deleteCookie("firstname"); // Удаляем cookie
  //alert(getCookie("firstname")); // Убеждаемся, что ничего не осталось
</script>

  <script>
 
     function getCookie ( cookie_name )
    {
      var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' );
     
      if ( results )
        return ( unescape ( results[2] ) );
      else
        return null;
    }
    
    
    function create_cookie(name, value, expday, path) {
      var date = new Date();
      date.setTime(date.getTime() + (expday * 24 * 60 * 60 * 1000));
      var expires = date.toUTCString();
      document.cookie = name + '=' + value + ';' +
                       'expires=' + expires + ';' +
                       'path=' + path + ';';
    }

    
    function return_cookie(name) {
      var cookie_value = "",
        current_cookie = "",
        name_expr = name + "=",
        all_cookies = document.cookie.split(';'), 
        n = all_cookies.length;
     
      for(var i = 0; i < n; i++) {
        current_cookie = all_cookies[i].trim();
        if(current_cookie.indexOf(name_expr) == 0) {
          cookie_value = current_cookie.substring(name_expr.length, current_cookie.length);
          break;
        }
      }
      return cookie_value; 
    }
    
    function second_passed()
    {
            document.getElementById("parent_popup").style.display = "inline";
    }

    window.onload = function() {
        var cookie_name = 'userCookie';
        var mycookie = return_cookie(cookie_name);

        if(!(mycookie))
        {        
            create_cookie("userCookie", "true", 1, "/");
            setTimeout(second_passed, 2000)
            
        } else {
            //alert("Реклама уже відображалася!");
        }
    };
  

    
    
</script>

 function second_passed()
    {
            document.getElementById("parent_popup").style.display = "inline";
    }