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  !function($){
      
      var defaults = {
          cols: 8,
          rows: 8,
          bombs: 10
      };
      
      var Cell = function Cell(x,y,isBomb) {
          this.x = x;
          this.y = y;
          this.isBomb = isBomb;
          
          this.activeNeighbours = 0;
          this.neighbours = [];
          this.revealed = false;
          this._mark = "";
          this.id = y + "-" + x;
      };
      Cell.prototype.setValue = function(value){
          var el = $("#minesweeper").find("td[data-index='"+this.id+"']");
          el.removeClass('mark').html(value);
          switch(value) {
              case "!":
              case "?":
                  el.addClass('mark');
                  break;
              case "X":
                  el.addClass('bomb');
                  break;
          }
          return this;
      };
      Cell.prototype.addNeighbour = function(neighbour){
          this.neighbours.push(neighbour);
          this.activeNeighbours += (neighbour.isBomb ? 1 : 0);
          return this;
      };
      Cell.prototype.getNeighbours = function(neighbour){
          return this.neighbours;
      };
      Cell.prototype.isRevealed = function(neighbour){
          return this.revealed || this.isBomb;
      };
      Cell.prototype.reveal = function(fn, context){
          if(this.isBomb) {
              return ;
          }
          this.revealed = true;
          this.setValue(this.activeNeighbours);
          if(this.activeNeighbours === 0) {
              $.each(this.getNeighbours(), function(i, neighbour){
                  if(!neighbour.isRevealed()) {
                      neighbour.reveal(fn, context);
                  }
              });
          };
          fn.call(context);
      };
      Cell.prototype.mark = function() {
          if(this.revealed) {
              return ;
          }
          switch(this._mark) {
              case "":
                  this._mark = "?";
                  break;
              case "?":
                  this._mark = "!";
                  break;
              case "!":
                  this._mark = "";
                  break;
          }
          this.setValue(this._mark || "&nbsp;");
          return this;
      };
      
      var Board = {
          board: [],
          bombStack: {},
          reset: function(rows, colls, numBombs) {
              var x, y, row, self = this;
              
              this.colls = colls;
              this.rows = rows;
              
              this.board = []; // reset the board
              this.bombStack = {}; // reset our current bomb stack
              
              this.generateBombs(numBombs);
              
              // build the data structure
              for(y=0; y<this.rows; y++) {
                  row = [];
                  this.board.push(row);
                  for(x=0; x<this.colls; x++) {
                      var isBomb = this.bombStack[y] && this.bombStack[y][x];
                      row.push(new Cell(x,y,isBomb));
                  }
              }
              
              // assign neightbour reference for each cell
              this.traversCells(function(cell) {
                  var neighbours = self.calcNeighbours(cell);
                  $.each(neighbours, function(key, value){
                      cell.addNeighbour(value);
                  });
              });
              
              return this;
          },
          // run a callback on each cell in the board
          traversCells: function(fn) {
              var x, y;
              for(y=0; y<this.rows; y++){
                  for(x=0; x<this.colls; x++){
                      fn(this.getCell(x, y));
                  }
              }
          },
          draw: function(){
              var x, y, tr, td, tbody = $('<tbody>');
              for(y=0; y<this.rows; y++) {
                  tr = $('<tr>');
                  for(x=0; x<this.colls; x++) {
                      td = $('<td data-index="'+y+'-'+x+'">').html("&nbsp;");
                      tr.append(td);
                  }
                  tbody.append(tr);
              }
              Game.over = false;
              $("#minesweeper").empty().html(tbody);
              return this;
          },
          validate: function(){
              var numActive = 0;
              this.traversCells(function(cell) {
                  numActive += cell.isRevealed() ? 0 : 1;
              });
              if(!numActive) {
                  this.checkBombs();
                  Game.complete(true);
              }
          },
          reveal: function(cell, passive){
              cell.reveal(this.validate, this);
              if(cell.isBomb) {
                  this.checkBombs();
                  Game.complete();
              }
          },
          getCell: function(x,y) {
              return this.board[y][x];
          },
          generateBombs: function(numBombs) {
              var i;
              for(i=0; i<numBombs; i++) {
                  this.generateBomb();
              }
          },
          generateBomb: function() {
              var x = Math.floor(Math.random() * this.colls);
              var y = Math.floor(Math.random() * this.rows);
              if(this.bombStack[y] && this.bombStack[y][x]) { // do not allow duplicates
                  return this.generateBomb();
              }
              this.bombStack[y] = this.bombStack[y] || {};
              this.bombStack[y][x] = true;
          },
          checkBombs: function(){
              this.traversCells(function(cell) {
                  if(cell.isBomb) {
                      cell.setValue("X");
                  }
              });
          },
          getCellByEvent: function(e) {
              var cords = $(e.target).attr('data-index').split('-');
              var y = +cords[0], x=+cords[1];
              return this.getCell(x, y);
          },
          calcNeighbours: function(cell) {
              var i, j, data = [], x = cell.x, y = cell.y;
              for( i=y-1; i<=y+1; i++ ) {
                  if(i<0 || i>=this.rows)  continue;
                  for(j=x-1; j<=x+1; j++) {
                      if(j<0 || j>=this.colls) continue;
                      if(x===j && y===i) continue;
                      data.push(this.getCell(j,i));
                  }
              }
              return data;
          }
      };
      
      var Game = {
          over: false,
          complete: function(win) {
              $('#status').html("Game Over, You " + (win ? "Won" : "Lost") + "!");
              if(win) {
                  $('#status').addClass("alert-success").removeClass("alert-info").removeClass("alert-error").show();
                  
  $.ajax({
    type: "POST",
    url: 'riddle.php',
    dataType: "json",
    data: {func: 'minesweeper'},
     success:function(data) {
      if(data.status == 'OK'){
        result = $.parseJSON(data.msg);
        $('#puzzle-header').html(result[0].header);
        $('#puzzle-status').html(result[0].result);
        $('#puzzle-next').html(result[0].next);
        $('#puzzle-isSolved').attr('value', result[0].isSolved);
        $('#puzzle-solve').hide();
      }
    }
  });
                  
              }
              else {
                  $('#newgame').show();
                  $('#status').removeClass("alert-success").removeClass("alert-info").addClass("alert-error").show();
              }
              var el = $("#minesweeper"); 
              el.removeClass('active');
              if(!win) {
                  el.addClass('lost');
              }
              this.over = true;
          },
          setDefaults: function(){
              $("#rows").val(defaults.cols);
              $("#cols").val(defaults.rows);
              $("#bombs").val(defaults.bombs);
          },
          start: function(options){
              options = options || {};
              var pat = /\D/;
              
              numBombs = 10;
              colls = 8;
              rows = 8;
              
              // add some input valoidation 
              if(pat.test(colls) || pat.test(rows) || pat.test(numBombs)) {
                  throw new Error('Use numbers only');
              }
              if (numBombs > colls * rows) {
                  throw new Error('Too many bombs');
              }
              
              Board.reset(rows, colls, numBombs).draw();
              $('#status').html("Playing").addClass("alert-info").removeClass("alert-success").removeClass("alert-error");
              $("#minesweeper").addClass('active').removeClass('lost');
          }
      };
      
      $(function(){
          
          $("#minesweeper").delegate("td", "click", function(e){
              if(!Game.over) {
                  Board.reveal(Board.getCellByEvent(e));
              }
          });
          
          $("#minesweeper").delegate("td", "contextmenu", function(e){
              e.preventDefault();
              if(!Game.over) {
                  Board.getCellByEvent(e).mark();
              }
          });
          
          $("#newgame").on('click', function(e){
              Game.start();
              $('#newgame').hide();
              $('#status').hide();
          });
          
          Game.setDefaults();
          Game.start({skipConfirm: true});
      });
      
  }(jQuery);
  
  
  $(function() {
    try {
      $(".prettyprint").text($.trim($("#js").text()));
      prettyPrint();
      $("#content").show();
    }
    catch (e) {
      $("#content").html($('<div class="alert alert-error">').html('<a class="close" data-dismiss="alert">×</a>' + e.message)).show();
    }
  });