function testNavNext(div, select) {
  var nextUrl = getMangaMirror($("#mirrorList").val()).nextChapterUrl(select, $(div), $("#lstChaps").val());
  if (nextUrl === null || nextUrl === undefined || nextUrl.trim().length === 0) {
    modifyResult("testnavnext", $("<span>Next URL is empty, the current chapter must be the last chapter published. If not, check your code.</span>"));
    modifyComment("testnavnext", "Verify that the selected chapter is the latest published.");