function Popup(){
    var popupcookie = document.cookie;
    if(popupcookie){ 
        console.log('Popup już był wyświetlony');
    }else{
        var POPUP_FEATURES = "status=0,resizeable=0,scrollbars=0,location=0,menubar=0,width=420,height=190,left=100,top=100";
        mywindow = window.open('/include/obraz.html','popup1',POPUP_FEATURES);
        mywindow.focus();    
    }
}