$(document).on('click', '.clear-item', function(e) {
         e.preventDefault();

         var row = $(this).attr('row');

         $("#qty"+row).val('');
         $("#product"+row).val('');
      });

      // Copy an item
      $(document).on('click', '.copy-product', function(e) {
         e.preventDefault();

         var rnum = $(this).attr('rnum');
         var data = "item_num="+rnum;

         $.getJSON( "ajax.MenuItem.copy.php",data,
            function(results) {
               if (results.product_num > 0) {
                  loadData(custom_data);
                  editData(results.item_num);
               }
               else {
                  alert("<?php displayLanguageText('ERRORMSG-ERROR-COPYING-DATA'); ?>");
               }
            }
         );
      });

      function reloadItemImages() {

         $.getJSON("ajax.ProductImages.php",
            function(results) {
               var files = results.files;

               $("#dialog_image").empty();
               $("#dialog_image").append($("<option></option>").attr("value","").text(""));

               $.each(files, function(key, entry) {
                  $("#dialog_image").append($("<option></option>").attr("value",entry).text(entry));
               });

               var file_name = $("#uploaded_file_name").val();
               $("#dialog_image").val(file_name);
            }
         );
      }

      $(document).on('change', '.menu_item_field', function() {
         var fid = $(this).attr('id');
         var fname = $(this).attr('name');
         var rnum = $(this).attr('rnum');
         var mnum = $(this).attr('mnum');
         var fvalue = $(this).val();

         var ftype = 'dollar';

         $.ajax({
            url: 'ajax.UpdateDBField.php',
            data: {
                  table_name: 'hotlunch_menu_items',
                  field_name: fname,
                  field_value: fvalue,
                  field_type: ftype,
                  menu_num: mnum,
                  record_num: rnum
                  },
            dataType: 'json'
         }).done(function(results) {
            $("#"+fid).val(results.new_value);
         });

      });

      $(document).on('click', '.toggle-field', function() {
         var item_num = $(this).attr('item_num');
         var fname = $(this).attr('fname');
         var spanID = $(this);
         var flag = $(this).attr('value');
         var new_flag;

         switch (flag) {
            case 'Y': new_flag = 'N'; break;
            case 'N': new_flag = 'Y'; break;
            case 'hidden': new_flag = 'visible'; break;
            case 'visible': new_flag = 'hidden'; break;
         }

         $.ajax({
            url: 'ajax.UpdateDBField.php',
            data: {
                  table_name: 'hotlunch_menu_items',
                  field_name: fname,
                  field_value: new_flag,
                  field_type: 'string',
                  record_num: item_num
                  },
            dataType: 'json'
         }).done(function(results) {
            $(spanID).html(results.new_value_text);
            $(spanID).attr('value',results.new_value);

            if (results.linked.length > 0) {
               $.each(results.linked, function(key, entry) {
                  var linkedField = fname+'_'+entry;
                  $("#"+linkedField).html(results.new_value_text);
                  $("#"+linkedField).attr('value',results.new_value);
               });
            }
         });
      });

      $(document).on('click', '.menu-group-field', function() {
         var item_num = $(this).attr('item_num');
         var spanID = $(this);
         var value = $(this).attr('cvalue');
         var new_value = '';

         switch (value) {
            case 'none': new_value = 'A'; break;
            case 'A': new_value = 'B'; break;
            case 'B': new_value = 'C'; break;
            case 'C': new_value = 'D'; break;
            case 'D': new_value = ''; break;
         }

         $.ajax({
            url: 'ajax.UpdateDBField.php',
            data: {
                  table_name: 'hotlunch_menu_items',
                  field_name: 'menu_group',
                  field_value: new_value,
                  field_type: 'string',
                  record_num: item_num
                  },
            dataType: 'json'
         }).done(function(results) {
            if (new_value == '') new_value = "<?php displayLanguageText('TEXT-NO-GROUP'); ?>";
            $(spanID).html(new_value);
            $(spanID).attr('cvalue', new_value);

            if (results.linked.length > 0) {
               $.each(results.linked, function(key, entry) {
                  var linkedField = fname+'_'+entry;
                  $("#"+linkedField).html(results.new_value);
               });
            }
         });
      });

      function setupDialog(mode) {
         if (mode != 'Item' && mode != 'Heading') {
            mode = $('#menu-item-type-'+mode).val();
         }

         switch (mode) {
            case 'Item':
               $('#menu-item-prices-tab').show();
               $('#menu-item-options-tab').show();
               $('#menu-item-additional-tab').show();
               $('#supplier-products-span').show();
               $('.item-field').show();
               $('.header-field').hide();
               $('#menu-item-tab-title').html("<?php displayLanguageText('TEXT-MENU-ITEM'); ?>");
               break;

            case 'Heading':
               $('#menu-item-prices-tab').hide();
               $('#menu-item-options-tab').hide();
               $('#menu-item-additional-tab').hide();
               $('#supplier-products-span').hide();
               $('.item-field').hide();
               $('.header-field').show();
               $('#menu-item-tab-title').html("<?php displayLanguageText('TEXT-HEADING'); ?>");
               break;

         }
      }

      $("#insert-new-item").click(function(e) {
         e.preventDefault();

         $("#new_entry_type").val('Item');
         setupDialog('Item');
         insertNew();
      });

      $("#insert-new-heading").click(function(e) {
         e.preventDefault();

         $("#new_entry_type").val('Heading');
         setupDialog('Heading');
         insertNew();
      });