<script>
( function( $ ) {
    $( document ).ready( function() {
        if ( $( 'body' ).hasClass( 'post-type-archive-product' ) ) {
            var main_area_bottom = $( '#main-area-bottom' ),
                footer = $( '#footer' );
            $( '#primary, #sidebar' ).wrapAll( '<div id="main-area"><div id="main-content" class="clearfix"></div></div>' );
            $( '#primary' ).wrap( '<div id="left-column"></div>' );
            main_area_bottom.detach();
            footer.detach();
            main_area_bottom.insertAfter( '#main-area' );
            footer.insertAfter( main_area_bottom );
        }
    } );
} )( jQuery );
</script>