bug report for: https://github.com/bainternet/My-Meta-Box/issues/38

location_setup.php

<?php
function location_setup() {
		$prefix = PREFIX;

		$config = array(
			'id' => 'gmap3_meta_box',          // meta box id, unique per meta box
			'title' => __('City Guide Map', LOCALIZATION), // meta box title
			'pages' => array('location','post'),  // post types, accept custom post types as well, default is array('post'); optional
			'context' => 'normal',            // where the meta box appear: normal (default), advanced, side; optional
			'priority' => 'high',            // order of meta box: high (default), low; optional
			'fields' => array(),            // list of meta fields (can be added by field arrays)
			'local_images' => false,          // Use local or hosted images (meta box images for add/remove)
			// 'use_with_theme' => false          //change path if used with theme set to true, false for a plugin or anything else for a custom path(default false).
			'use_with_theme' =>  PLUGINURL .'cityGuideMetaBox/meta-box-class'          //change path if used with theme set to true, false for a plugin or anything else for a custom path(default false).
		);

		$my_meta =  new testClass($config);

		// $my_meta->addLocation($prefix.'marker',array('name'=> __('Map ',LOCALIZATION), 'std'=> array('lat' => '46.578498', 'lng' => '2.457275', 'address' => 'TODO')));
		$marker_fields[] = $my_meta->addText($prefix.'mark_lat',array('name'=> __('Lattitude ', LOCALIZATION)),true);
		$marker_fields[] = $my_meta->addText($prefix.'mark_lng',array('name'=> __('Longitude ', LOCALIZATION)),true);
		$marker_fields[] = $my_meta->addText($prefix.'mark_txt',array('name'=> __('Text ', LOCALIZATION)),true);
		$marker_fields[] = $my_meta->addImage($prefix.'mark_img',array('name'=> __('Image ', LOCALIZATION)),true);
		$marker_fields[] = $my_meta->addRadioImage(
		// $marker_fields[] = $my_meta->addRadio(
			$prefix.'mark_icon',
		    array(
		        '1' => '<img alt="red" src="http://maps.google.com/mapfiles/marker.png">',
		        '2' => '<img alt="black" src="http://maps.google.com/mapfiles/marker_black.png">',
		        '3' => '<img alt="grey" src="http://maps.google.com/mapfiles/marker_grey.png">',
		        '4' => '<img alt="orange" src="http://maps.google.com/mapfiles/marker_orange.png">',
		        '5' => '<img alt="white" src="http://maps.google.com/mapfiles/marker_white.png">',
		        '6' => '<img alt="yellow" src="http://maps.google.com/mapfiles/marker_yellow.png">',
		        '7' => '<img alt="purple" src="http://maps.google.com/mapfiles/marker_purple.png">',
		        '8' => '<img alt="green" src="http://maps.google.com/mapfiles/marker_green.png">'
		    ),
			array('name'=> 'Marker Icon ', 'std'=> array('red')
			),true);
		$my_meta->addRepeaterBlock('re_',array('inline' => true, 'name' => __('Add a marker to the map (doesn\'t yet work)',LOCALIZATION),'fields' => $marker_fields));

		$my_meta->Finish();
	}

testclass.php

<?php
require_once("meta-box-class/my-meta-box-class.php");

if (!class_exists('testClass')) {

    class testClass extends AT_Meta_Box {

        /**
        * Check For location field to enqueue gmap3
        * @since 1.1.3??
        * @access public
        */
        public function check_field_radioimage(){
            if ( ! $this->has_field( 'radioimage' ) )
                return;
            wp_enqueue_script('cityguide-metabox-js', plugins_url( '/cityGuideMetaBox/js/cityGuideMetaBox.js' , dirname(__FILE__)), array('jquery'));
        }

          /**
           *  Add RadioImage Field to meta box
           *  @author Alex Poslavsky
           *  @since 1.0?
           *  @access public
           *  @param $id string field id, i.e. the meta key
           *  @param $options (array)  array of key => value pairs for radio options
           *  @param $args mixed|array
           *    'name' => // field name/label string optional
           *    'desc' => // field description, string optional
           *    'std' => // default value, string optional
           *    'validate_func' => // validate function, string optional
           *  @param $repeater bool  is this a field inside a repeatr? true|false(default)
           */
          public function addRadioImage($id,$options,$args,$repeater=false){
            $new_field = array('type' => 'radioimage','id'=> $id,'std' => array(),'desc' => '','style' =>'','name' => 'Radio Field','options' => $options);
            $new_field = array_merge($new_field, $args);
            if(false === $repeater){
              $this->_fields[] = $new_field;
            }else{
              return $new_field;
            }
          }

          /**
           * Show Radio Field.
           *
           * @param string $field
           * @param string $meta
           * @since 1.0??
           * @access public
           */
          public function show_field_radioimage( $field, $meta ) {

            if ( ! is_array( $meta ) )
              $meta = (array) $meta;

            $this->show_field_begin( $field, $meta );
            $i = 0;
            foreach ( $field['options'] as $key => $value ) {
                $i++;
                $checked = checked( in_array( $key, $meta ), true, false ); //orig
                echo "<div class='radio_image'>";
                echo "<input type='radio' ".( isset($field['style'])? "style='{$field['style']}' " : '' )." class='at-radio' id='{$field['id']}{$i}' name='{$field['id']}' value='{$key}'" . $checked . " />";
                // // echo "<div class='at-radio-img-label'>". $key ."</div>"; //not needed, or as an option?
                $class = "at-radio-img".( isset($field['class'])? ' ' . $field['class'] : '' ).( in_array( $key, $meta )? ' at-radio-img-selected' : '' );
                echo "<span class='".$class."' onClick='document.getElementById(\"{$field['id']}{$i}\").checked = true;;'>{$value}</span>";
                echo "</div>";
            }
            $this->show_field_end( $field, $meta );
          }

        public function Finish() {
            parent::Finish();
            $this->check_field_radioimage();
        }

    }
}