Custom Image Select Class for Options Framework

class CustomizeImageListControl extends \WP_Customize_Control {

    protected function render_content() {
        if ( empty( $this->choices ) )
            return;

        $name = '_customize-radio-' . $this->id;

        ?>
        <span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
        <?php


        foreach ( $this->choices as $value => $label ) :

            $selected = '';
            $checked = '';
            if ( $this->value() != '' ) {
                if ( $this->value() == $value ) {
                    $selected = ' of-radio-img-selected';
                    $checked = ' checked="checked"';
                }
            }
            echo '<label><input type="radio" id="' . esc_attr( $name .'_'. $value) . '" class="of-radio-img-radio" value="' . esc_attr( $value ) . '" name="' . esc_attr( $name ) . '" '. $checked .' '. $this->get_link() .' />';
            echo '<div class="of-radio-img-label">' . esc_html( $value ) . '</div>';
            echo '<img src="' . esc_url( $label ) . '" alt="' . $label .'" class="of-radio-img-img' . $selected .'"
                    onclick="jQuery(\'#'. esc_attr($name .'_'. $value) .'\').click();" /></label>';

        endforeach;

    }
}