drag and drop se mi tluče s jiným jquery

<script type="text/javascript">
function itemInSpot(drag_item,spot)
{
    var oldSpotItem = $(spot).find('img');
    if(oldSpotItem.length > 0) {
        oldSpotItem.appendTo('#inventory').draggable({ revert: 'invalid' });
    }
    var item = $('<img />');
    drag_item.empty().remove(); // remove the old object
    item.attr('src',drag_item.attr('src')).attr('id',drag_item.attr('id')).attr('class',drag_item.attr('class')).appendTo(spot).draggable({ revert: 'invalid' });
    update_spots(); // update the DB
}

function update_spots()
{
    // Create a list of all the items
    var inventory_items = '';
    var helmet_spot_item = ($('#helmet_spot img').length > 0) ? $('#helmet_spot img').attr('id') : '';
    var right_hand_spot = ($('#right_hand img').length > 0) ? $('#right_hand img').attr('id') : '';
  var left_hand_spot = ($('#left_hand img').length > 0) ? $('#left_hand img').attr('id') : '';
    $('#inventory img').each(
        function(i) {
            if($(this).attr('id') != '') { 
                if(inventory_items.length > 0) inventory_items += ';';
                inventory_items += $(this).attr('id');    
            }
        }
    );    
    var uri_inventory = 'game/components/update-inventory.php?helmet_spot='+helmet_spot_item+'&right_hand='+right_hand_spot+'&left_hand='+left_hand_spot+'&inventory='+inventory_items;
    $.ajax({
  type: "GET", 
  url: uri_inventory 
  });
}
$(document).ready(function() {
    $(".right_hand,.helmet,.left_hand").draggable({ revert: 'invalid'});
    $('#inventory').droppable();
    $("#right_hand").droppable({ accept: '.right_hand'})
  $("#left_hand").droppable({ accept: '.left_hand,.right_hand'})
    $('#helmet_spot').droppable({ accept: '.helmet'});
    $('#right_hand,#helmet_spot,#inventory,#left_hand').bind('drop', function(ev,ui) { itemInSpot(ui.draggable,this); });
});
window["_GOOG_TRANS_EXT_VER"] = "1";
</script>

<script type="text/javascript">
function itemInSpotInventory(drag_itemInventory,spotInventory)
{
    var oldSpotItemInventory = $(spotInventory).find('img');
    if(oldSpotItemInventory.length > 0) {
        oldSpotItemInventory.appendTo('#inventory').draggable({ revert: 'invalid' });
    }
    var itemInventory = $('<img />');
    drag_itemInventory.empty().remove(); // remove the old object
    itemInventory.attr('src',drag_itemInventory.attr('src')).attr('id',drag_itemInventory.attr('id')).attr('class',drag_itemInventory.attr('class')).appendTo(spotInventory).draggable({ revert: 'invalid' });
    update_spotsInventory(); // update the DB
}

function update_spotsInventory()
{
    // Create a list of all the items
    var inventory_items = '';
    var helmet_spot_item = ($('#helmet_spot img').length > 0) ? $('#helmet_spot img').attr('id') : '';
    var right_hand_spot = ($('#right_hand img').length > 0) ? $('#right_hand img').attr('id') : '';
  var left_hand_spot = ($('#left_hand img').length > 0) ? $('#left_hand img').attr('id') : '';
    $('#inventory img').each(
        function(i) {
            if($('#inventory img').attr('id') != '') { 
                if(inventory_items.length > 0) inventory_items += ';';
                inventory_items += $('#inventory img').attr('id');    
            }
        }
    );    
    var uri_inventory = 'game/components/update-inventory.php?helmet_spot='+helmet_spot_item+'&right_hand='+right_hand_spot+'&left_hand='+left_hand_spot+'&inventory='+inventory_items;
    $.ajax({
  type: "GET", 
  url: uri_inventory 
  });
}  

$('.ui-droppable').ready(function() {
    $(".right_hand,.helmet,.left_hand").draggable({ revert: 'invalid'});
    $('#inventory').droppable();
    $("#right_hand").droppable({ accept: '.right_hand'})
  $("#left_hand").droppable({ accept: '.left_hand,.right_hand'})
    $('#helmet_spot').droppable({ accept: '.helmet'});
    $('#right_hand,#helmet_spot,#inventory,#left_hand').bind('drop', function(ev,ui) { itemInSpotInventory(ui.draggable,this); });
});
window["_GOOG_TRANS_EXT_VER"] = "1";
</script>