// Brukes av Form_Element_Select_Hierarchy
function changeHierarchy(ob) {

    // Skjuler subkategorier
    $(ob).closest('span').children('[level]').each( function() {

        if($(this).attr("level") > ob.getAttribute("level"))
            $(this).hide();

    });



    if(ob.value != 0) {

        // Setter verdi
        $(ob).closest('span').children('.hierarchyid').val( ob.value );


    } else {

        // Henter parent sin verdi
        $(ob).closest('span').children('.hierarchyid').val( ob.getAttribute("parent") );
        return;
    }

    $(ob).closest('span').children('.form_hierarchy_' + ob.value).val(0);
    $(ob).closest('span').children('.form_hierarchy_' + ob.value).show();
    $(ob).closest('span').children('.form_hierarchy_' + ob.value).before('<img src="/gfx/layout/form/hierarchy_delimiter.gif" style="margin: 0 5px" level="'+ ( $(ob).attr("level") + 1 ) + '"/>');
}