Bon, soefa vient de donner une solution, et ca marche
var smileys;
smileys = {};
add("
", "
",
"http://image.jeuxvideo.com/smileys_img/18.gif");
add("
", "
",
"http://image.jeuxvideo.com/smileys_img/11.gif");
function add(reg, alt, img) {
smileys[reg] = "<img src=\"" + img + "\" alt=\"" + alt + "\"/>";
}
function main() {
var key;
for (key in smileys) {
document.body.innerHTML = document.body.innerHTML.replace(new RegExp(key, "g"), smileys[key]);
}
}
window.setTimeout(main, 1000);
Merci beaucoup à tous 