var popupVisio = null;

function lancerChat(obj) {
	if ((!popupVisio) || (popupVisio.closed)) popupVisio = window.open("http://evasionfm.magcity.com/visioChat/", "VisioChat", "menubar=no, status=no, scrollbars=no, menubar=no, width=720, height=600");
	popupVisio.focus();
	return false;
}