document.write('<div id="clipboard" style="display: none; position:absolute; width:250px; height: 100px; left: 40%; top: 25%; background-color: yellow; border : solid 1px;"></div>');
function copie(txt) {
         cl = document.getElementById("clipboard");
         cl.style.display = '';
         cl.innerHTML += '<br>'+txt;
         cl.innerHTML += '<br><br><br><a href="javascript:fermer()">Fermer</a>';
}
function fermer() {
         cl = document.getElementById("clipboard");
         cl.innerHTML = '';
         cl.style.display = 'none';
}