// JavaScript Document
    function showPopup(nr){
        var over_div = document.getElementById('over');
        var sticky_div = document.getElementById('sticky_'+nr);
        var sticky_div_clone = sticky_div.cloneNode(true);
        
        // over_div.innerHTML = ' ';
        over_div.innerHTML = '';
        over_div.appendChild(sticky_div_clone);
        over_div.style.visibility = 'visible';

        over_div.style.display = 'block';
    }

    function closePopup(){
        var over_div = document.getElementById('over');

        over_div.innerHTML = '';
        over_div.style.display = 'none';
    }