function openpopup(){
	var fenetre=window.open('', 'popup', 'scrollbars=1,width=800,height=600,resizable=1,left=' + ((screen.width - 800)/2) + ',top=' + ((screen.height - 600)/2));	
	fenetre.focus();
	}
function openpopupCarte(){
	var fenetre=window.open('', 'popup', 'scrollbars=1,width=798,height=700,left=' + ((screen.width - 798)/2) + ',top=' + ((screen.height - 700)/2));	
	fenetre.focus();
	}
function popup()
{
	var fenetre=window.open('', 'popup', 'width=810,height=630,scrollbars=1,resizable=0,left=' + ((screen.width - 800)/2) + ',top=200');	
	fenetre.focus();
}