function OpenPlan()
{
Url = 'http://maps.google.fr/maps?f=q&hl=fr&q=36+av+du+Giffre+Annemasse&sll=47.15984,2.988281&sspn=22.4177,59.765625&ie=UTF8&z=15&ll=46.196706,6.240406&spn=0.01114,0.043259&om=1&iwloc=addr';
Titre = 'Plan';
Param = 'width=739,height=526';
window.open(Url,Titre,Param);
}