/**
 * Constants
 */

var subContentId = "subContent";
var subContentLoadingId = "subContentLoading";
var showPrefix = 'show';
var loadPrexix = 'load';
/**
 * Functions
 **/

function setSubContent(html, id) {
  id = useDefault(id, subContentId);
  setInnerHTML(id, html);
}

function getSubContentElement(id) {
  id = useDefault(id, subContentId);
  return getObj(id);
}

function showSubContent(id, ld) {
  id = useDefault(id, subContentId);
  ld = useDefault(ld, subContentLoadingId);
  setHidden(ld, true);
  setVisible(id, true);
}

function showSubLoading(id, ld) {
  id = useDefault(id, subContentId);
  ld = useDefault(ld, subContentLoadingId);
  setVisible(ld, true);
  setHidden(id, true);
}
function showSubContentId(id) {
  return showSubContent(showPrefix + id, loadPrexix + id);
}

function showSubLoadingId(id) {
  return showSubLoading(showPrefix + id, loadPrexix + id);
}