for (@$Courses) {
        if ($Course = CheckCourse($_)) {
            print PageCourseInfo($Course);
            $count ++;
        }
        else {
            last;
        }
        last if $count >= 10;
}

##</code><code>##

for (@$Courses) {
        my $Course = CheckCourse($_);
        last unless $Course;

        print PageCourseInfo($Course);

        last unless ++$count < 10;
}