function popup(picture){
	var url = 'popup.html?foto=' + picture;
	janela = window.open(url,'popupImageWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=100,height=100,top=100,left=100');
	janela.focus();
}