function pop(page,largeur,hauteur,options)
{
var top=(screen.height-hauteur)/2;
var left=(screen.width-largeur)/2;
window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}


function confirm_delete( url, base){
message="supprimer cette entree ?";
if(confirm(message)) location.href = url;
else location.href=base;
}



function affiche_details(annonce) {
    var contact = document.getElementById(annonce).style;
    if (contact.display == 'none') {
        contact.display = 'block';
    }
    else {
        contact.display = 'none';
    }
}