Deckbox IsInDeck Script

// ==UserScript==
// @name         DeckBox IsCardInDeckColumn
// @version      0.1
// @description  Adds a column to Deckbox/sets/ to determine if a card is physically in this deck or not
// @author       Alex B.
// @include        http://deckbox.org/sets/*
// @include        https://deckbox.org/sets/*
// @require http://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js
// @grant GM_setValue
// @grant GM_getValue
// @run-at document-end
// ==/UserScript==

$('th.card_select').after('<th rowspan="2">IsInDeck</th>');
var curDeckID = $($('li.current')[0]).attr('id').split('_')[1];
$('.inventory_count').each(function( index, element )
                           {
                               var data = $('<td class="has_panel card_count" style="background-color:#98ABE5;"></td>');
                               $(element).before(data);
                               var parent = $(data).parent();
                               var id = parent.attr('id').split('_')[0];
                               var val = GM_getValue(curDeckID+':'+id,'false');
                               data.attr('data-IsInDeck',val.value);
                               if(val == "true")
                               {
                                   data.text('1');
                               }
                               else
                               {
                                   data.text('0');
                               }
                               $(data).on(
                                   "click",
                                   function(e)
                                   {
                                       var isInDeck = $(this).attr('data-isindeck');
                                       if(isInDeck == "true")
                                       {
                                           $(this).text('0');
                                           $(this).attr('data-isindeck','false');
                                       }
                                       else
                                       {
                                           $(this).text('1');
                                           $(this).attr('data-isindeck','true');
                                       }
                                       e.stopPropagation();
                                       GM_setValue(curDeckID+':'+id,$(this).attr('data-isindeck'));
                                   }
                               );
                           });