function changeManualTab(id){
    document.getElementById('company').className       = 'tableaussenhochblau';
    document.getElementById('link_company').className  = 'tab_button';
    document.getElementById('tbl_company').style.display = 'none';

    document.getElementById('price').className       = 'tableaussenhochblau';
    document.getElementById('link_price').className  = 'tab_button';
    document.getElementById('tbl_price').style.display = 'none';

    document.getElementById('published').className       = 'tableaussenhochblau';
    document.getElementById('link_published').className  = 'tab_button';
    document.getElementById('tbl_published').style.display = 'none';

    document.getElementById('nego').className       = 'tableaussenhochblau';
    document.getElementById('link_nego').className  = 'tab_button';
    document.getElementById('tbl_nego').style.display = 'none';

    document.getElementById('corpbulk').className       = 'tableaussenhochblau';
    document.getElementById('link_corpbulk').className  = 'tab_button';
    document.getElementById('tbl_corpbulk').style.display = 'none';

    document.getElementById('unifare').className       = 'tableaussenhochblau';
    document.getElementById('link_unifare').className  = 'tab_button';
    document.getElementById('tbl_unifare').style.display = 'none';



    document.getElementById(id).className         = 'table_bg';
    document.getElementById('link_'+id).className = 'tab_u';
    document.getElementById('tbl_'+id).style.display = '';

}