function popup(url,n,w,h) {
        window.open(url,n,'width='+w+',height='+h+',resizable=yes,scrollbars=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,copyhistory=no');

} 

function bigpopup(url,n,w,h) {
        window.open(url,n,'width='+w+',height='+h+',resizable=yes,scrollbars=yes,toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,copyhistory=yes');

}