function popup( href, h, l ) {
	var hauteur = Math.round( ( screen.availHeight - h ) / 2 );
	var largeur = Math.round( ( screen.availWidth - l ) / 2 );
	window.open( href, 'product', 'toolbar=0,location=0,directories=0,status=0, scrollbars=0,resizable=0,menubar=0,top='+hauteur+',left='+largeur+',width='+l+',height='+h);
	return false;	
}

function popupMap( Obj ) {
	return popup( Obj.href, 600, 600 );
}