function mainpop(url) {
w = window.open(url, 'main','width=960,height=745,status=no,scrollbars=no,directories=no,menubar=no,resizable=yes,toolbar=no');
w.focus();
}

function openwin(url) {
w = window.open(url, 'win1','width=580,height=550,status=no,scrollbars=yes,directories=no,menubar=no,resizable=yes,toolbar=no');
w.focus();
}