function showDetail(){
    lightbox = $("#zatmaveni");
    detail = $("#login_box");

    lightbox.css("width",$(document).width());
    lightbox.css("height",$(document).height());
	lightbox.css("opacity",0.5);
    detail.css("left",($(document).width()-detail.width())/2);
    detail.fadeIn("slow");
    lightbox.fadeIn("slow");
}

function hideDetail(){
    lightbox = $("#zatmaveni");
    detail = $("#login_box");
    detail.fadeOut("slow");
    lightbox.fadeOut("slow");
  
    
}

$(document).ready(function(){
   
   $(window).resize(function(){
        lightbox = $("#zatmaveni");
        detail = $("#login_box");

        lightbox.css("width",$(document).width());
        lightbox.css("height",$(document).height());
        lightbox.css("opacity",0.5);
        detail.css("left",($(document).width()-detail.width())/2);
   });

  
    $(".zavrit").click(function(){
        hideDetail();
    });
/*
   $(document).scroll( function(){
       var top = document.documentElement.scrollTop;
       detail.css("top",e.pageY-e.clientY+50);
       detail.html(e.clientY()+" "+top)
   });*/
});