js/lightbox.js
function removeClass(el, className) {
    if (!el || !className) {
      return;
    }
    el.className = el.className.replace(new RegExp('(?:^|\\s)' + className + '(?!\\S)'), '');
    return el;
  }
function removeClass(el, className) {
    if (!el || !className) {
      return;
    }
    el.className = el.className.replace(new RegExp('(?:^|\\s)' + className + '(?!\\S)'), '');
    return el;
  }
function removeClass ( el , className ) { if ( ! el || ! className ) { return ; } el . className = el . className . replace ( new RegExp ( '(?:^|\\s)' + className + '(?!\\S)' ) , '' ) ; return el ; }
Removes class from element
@param  {Object} el
@param  {String} className
@return {Object}
Removes class from element