code: function prepareImageElement(options, engineSettings, src, el) {
  	    var holderFlags = parseURL(src.substr(src.lastIndexOf(options.domain)), options);
  	    if (holderFlags) {
  	        prepareDOMElement({
  	            mode: null,
  	            el: el,
  	            flags: holderFlags,
  	            engineSettings: engineSettings
  	        });
  	    }
  	}
docs: Processes provided source attribute and sets up the appropriate rendering workflow
  
  @private
  @param options Instance options from Holder.run
  @param renderSettings Instance configuration
  @param src Image URL
  @param el Image DOM element