function popup(url, name, x, y, top, left){
window.open(url,name,'location=no,toolbar=no,directories=no,menubar=no,resizable=yes,scrollbars=yes,status=no,width='+x+',height='+y+'screenY='+top+',screenX='+left);
}

function popup_v(url, name, x, y, top, left){
window.open(url,name,'location=no,toolbar=no,directories=no,menubar=no,resizable=no,scrollbars=no,status=no,width='+x+',height='+y+'screenY='+top+',screenX='+left);
}

function popupstatus(url, name, x, y, top, left){
window.open(url,name,'location=no,toolbar=no,directories=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,width='+x+',height='+y+'screenY='+top+',screenX='+left);
}

function essai(){alert("toto");}