function openpopup(page) {
var winw = screen.width - 30;
var winh = screen.height - 30;
var width = (winw > 700) ? 700 : winw;
var height = (winh > 700) ? 700 : winh;
fotango_order = window.open(
page,
'fotango_order',
'top=20,left=20,width='+width+',height='+height+',scrollbars=yes,resizable=no'
);
fotango_order.self.focus();
}