code: function updateTargetElement( url, sourceElement ) {
  		var dialog = sourceElement.getDialog();
  		var targetElement = sourceElement.filebrowser.target || null;
  
  		// If there is a reference to targetElement, update it.
  		if ( targetElement ) {
  			var target = targetElement.split( ':' );
  			var element = dialog.getContentElement( target[ 0 ], target[ 1 ] );
  			if ( element ) {
  				element.setValue( url );
  				dialog.selectPage( target[ 0 ] );
  			}
  		}
  	}
docs: Updates the target element with the url of uploaded/selected file.  @param {String} url The url of a file.