function openWindow1(site) {
subwin = window.open(site, 'popup1', 'width=600,height=500,left=300,top=230,scrollbars=yes,status=no,toolbar=no,resizable=no')
subwin.focus();
}

function openWindow2(site) {
subwin = window.open(site, 'popup2', 'width=600,height=380,left=300,top=230,scrollbars=no,status=no,toolbar=no,resizable=no')
subwin.focus();
}

function openWindow3(site) {
subwin = window.open(site, 'popup3', 'width=394,height=382,left=300,top=230,scrollbars=no,status=no,toolbar=no,resizable=no')
subwin.focus();
}