code: function(newContent, type) {
  		mfp.content = newContent;
  
  		if(newContent) {
  			if(mfp.st.showCloseBtn && mfp.st.closeBtnInside &&
  				mfp.currTemplate[type] === true) {
  				// if there is no markup, we just append close button element inside
  				if(!mfp.content.find('.mfp-close').length) {
  					mfp.content.append(_getCloseBtn());
  				}
  			} else {
  				mfp.content = newContent;
  			}
  		} else {
  			mfp.content = '';
  		}
  
  		_mfpTrigger(BEFORE_APPEND_EVENT);
  		mfp.container.addClass('mfp-'+type+'-holder');
  
  		mfp.contentContainer.append(mfp.content);
  	}
docs: Set HTML content of popup