$( function ( ) {
    $('.sections').hAccordion( { selected: document.location.hash + '_section' } );
    $('.label div').css( 'height', ( $('.sections').height( ) - 2 ) );

    $('.label').click( function ( ) {
        var hash = this.href.split( '/' )[3];
        document.location.hash = hash;
        return false;
    } );
} );