if (delete($opt{'email_checkboxes'})) {
my $email_link = q!var url = toCGIString(); !;
$email_link .= q/if (!url) { alert('No customers selected'); return false; }; /;
if (delete($opt{'email_checkboxes'})) {
my $email_link = q!var url = toCGIString(); !;
$email_link .= q/if (!url) { alert('No customers selected'); return false; }; /;