$(document).ready(function(){
if (new Date() > (new Date("2012/01/24 00:00")) && new Date() < new Date("2012/01/25 00:00"))
{
       function getBlackdownCookie()
       {
               var i, name, value, cookies = document.cookie.split(";");
               for (i = 0; i < cookies.length; i++)
               {
                       name =cookies[i].substr(0, cookies[i].indexOf("="));
                       value = cookies[i].substr(cookies[i].indexOf("=") + 1);
                       name = name.replace(/^\s+|\s+$/g,"");
                       if (name == "blackdownCookie")
                       {
                               return unescape(name);
                       }
               }
       }

       function setBlackdownCookie()
       {
               var exdate = new Date();
               exdate.setDate(exdate.getDate() + 500);
               document.cookie = "blackdownCookie" + "=" + ("1; expires=" + exdate.toUTCString());
       }

       function checkBlackdownCookie()
       {
               var username = getBlackdownCookie("blackdownCookie");
               return (username != null && username != "");
       }

       if (!checkBlackdownCookie())
       {
               $('body').append('<div id="overlayblack"></div>');
               $('body').css('overflow-x','hidden');

               var siteheight = $('body').outerHeight();
               var sitewidth = $('body').outerWidth();

               $('#overlayblack').css('height', siteheight + 400);
               var mouseX = 0;
               var mouseY = 0;
                       $(document).mousemove( function(e) {
                               mouseX = e.pageX - (sitewidth / .2);
                               mouseY = e.pageY - ((siteheight + 400)/2);

                               $('#overlayblack').css({backgroundPosition: mouseX + 'px' + ' ' + mouseY + 'px' });
                       });

               $('body').append('<div id="blackclose" style="padding-top:6px;"><a href="#" class="fright">zamknij</a><p><a href="http://www.milanos.pl/nie_dla_acta.php">niebawem tak może wygladać internet - NIE DLA ACTA!</a></p></div>');

               $('#blackclose a').click(function(){
                       $('#overlayblack').remove();
                       $('#blackclose').remove();
                       setBlackdownCookie();
               });
       }
}
});