code: function(el, options) {
  		var eHandler = function(e) {
  			e.mfpEl = this;
  			mfp._openClick(e, el, options);
  		};
  
  		if(!options) {
  			options = {};
  		}
  
  		var eName = 'click.magnificPopup';
  		options.mainEl = el;
  
  		if(options.items) {
  			options.isObj = true;
  			el.off(eName).on(eName, eHandler);
  		} else {
  			options.isObj = false;
  			if(options.delegate) {
  				el.off(eName).on(eName, options.delegate , eHandler);
  			} else {
  				options.items = el;
  				el.off(eName).on(eName, eHandler);
  			}
  		}
  	}
docs: Initializes single popup or a group of popups