$( '.menu_button' ).each( function( x, e ) {
    var targ = $( e );
    if( document.URL.search( e.text.toLowerCase() ) == -1 )
    {
        targ.next().hide();
    }
} );

// Highlight current page
$( '.menu_button' ).next( '.submenu' ).children().children( 'a' ).each( function( x, e ) {
    var targ = $( e );

    if( document.URL.search( targ.attr( 'href' ) ) != -1 )
    {
        targ.toggleClass( 'current' );
    }
} );

    

$( '.menu_button' ).click( function( e ) {
    var targ = $( e.target );
    var pressed = targ.text();
    var repressed = false;

    $( '.menu_button' ).each( function( x, e ) {
        e = $( e );
        
        if( e.text() != pressed )
            e.next().hide( 100 );
    } );

    if( ! repressed )
        $( targ ).next().show( 100 );
} );