function imagezoom(w,h,url) {
w+=18;
h+=15;
   var Fensteroptionen = "toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0";
   var popupWindow = window.open(url, 'Imagezoom', Fensteroptionen + ',width=' + w + ',height=' + h);
   var focus = popupWindow.focus();
}

function ouvre(parent, enfant) {
txtParent=document.getElementById(parent).innerHTML;
etatEnfant=document.getElementById(enfant).style.display;

document.getElementById(parent).innerHTML=(txtParent=="+") ? "- " : "+";
document.getElementById(enfant).style.display=(etatEnfant=="none") ? "" : "none";
}