
    function ShowHideLeftMenuItem (typeID) {
          
           id_element = 'menu_table_'+ typeID;
           
           if (document.getElementById(id_element).style.display == 'none') {
                document.getElementById(id_element).style.display = ''
           } else {
                document.getElementById(id_element).style.display = 'none'
           }
    }

    function ShowHideItem (id_item) {

           if (document.getElementById(id_item).style.display == 'none') {
                document.getElementById(id_item).style.display = ''
                document.getElementById('order_form_status').value = 1
           } else {
                document.getElementById(id_item).style.display = 'none'
                document.getElementById('order_form_status').value = 0
           }

    }

    function ShowHideElement (id_element, id_status) {

           if (document.getElementById(id_element).style.display == 'none') {
                document.getElementById(id_element).style.display = ''
                document.getElementById(id_status).value = 1
           } else {
                document.getElementById(id_element).style.display = 'none'
                document.getElementById(id_status).value = 0
           }

    }


    function check_salepoint_metro_status() {

        // если в качестве активного города устанавливается Москва
        // появляется возможность ввода станции метро

        if (document.getElementById('salepoint_city').value == 57) {
            document.getElementById('salepoint_metro').disabled = false;
        } else {
            document.getElementById('salepoint_metro').disabled = true;

        }
    }

    function ShowHidePicture() {

        show_status = document.form1.show_status.value 


        if (show_status == 'hide') {
            document.form1.show_status.value = 'show'
            document.form1.style.display = 'none';
            document.getElementById('action-title').innerHTML = '<a href="javascript:void(0)" onclick="javascript:ShowHidePicture()" >показать</a>&nbsp;&raquo;';
            

        } else {
            document.form1.show_status.value = 'hide'
            document.form1.style.display = '';
            document.getElementById('action-title').innerHTML = '<a href="javascript:void(0)" onclick="javascript:ShowHidePicture()" >скрыть</a>&nbsp;&raquo;'
        }
    
    }

    function disableElementByID(id_element) {

        document.getElementById(id_element).disabled = true;

    }

    function undisableElementByID(id_element) {

        document.getElementById(id_element).disabled = false;
        

    }
    
    function switchFinishDate(id_day, id_month, id_year) {
         
         if (document.getElementById('is_finish_date_disabled').checked == true) {
            disableElementByID(id_day);
            disableElementByID(id_month);
            disableElementByID(id_year);
         } else {
            undisableElementByID(id_day);
            undisableElementByID(id_month);
            undisableElementByID(id_year);
         }
    
    }
    
    function OpenWin( Ref, W, H, X, Y, T ) {

        var WinParams = 'status=no,toolbar=no,resizable=yes,menubar=no,scrollbars=no,width=' + W + ',height=' + H + ',left=' + X + ',top=' + Y + ',screenX=' + X + ',screenY=' + Y;
        var w = window.open( 'about:blank', '', WinParams );

        w.document.open;
        w.document.write ('<html><head><title>' + T + '</title></head>' + '<body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">'+ '<img src="' + Ref + '"alt="' + T + '"></body></html>');
        w.document.close;      
    }
    
