// JavaScript Document
<!--
function change_calque(elm) {
var div = elm.parentNode.getElementsByTagName('div')[0];
if (div.style.display=="none" ) {
 div.style.display = "block";
 elm.innerHTML = "Cacher";
} else {
 div.style.display = "none";
 elm.innerHTML = "Montrer";
}
}
-->