diff --git a/dist/jquery.gridster.css b/dist/jquery.gridster.css
index 986c69f573..c77088046a 100644
--- a/dist/jquery.gridster.css
+++ b/dist/jquery.gridster.css
@@ -1,4 +1,4 @@
-/*! gridster.js - v0.1.0 - 2012-07-23
+/*! gridster.js - v0.1.0 - 2012-07-24
 * https://github.com/ducksboard/gridster.js
 * Copyright (c) 2012 ducksboard; Licensed MIT, GPL */
 
diff --git a/dist/jquery.gridster.js b/dist/jquery.gridster.js
index 769ba2b41d..bda06f8871 100644
--- a/dist/jquery.gridster.js
+++ b/dist/jquery.gridster.js
@@ -1,4 +1,4 @@
-/*! gridster.js - v0.1.0 - 2012-07-23
+/*! gridster.js - v0.1.0 - 2012-07-24
 * https://github.com/ducksboard/gridster.js
 * Copyright (c) 2012 ducksboard; Licensed MIT, GPL */
 
@@ -42,10 +42,10 @@
         var el = this.el;
 
         if (el && !update) {
-            this.data = {} || el.offset();
+            this.data = el.offset();
             this.data.width = el.width();
             this.data.height = el.height();
-        };
+        }
 
         if (el && update && !not_update_offsets) {
             var offset = el.offset();
@@ -320,7 +320,7 @@
 
 }(jQuery, window, document));
 
-(function(window, undefined) {
+;(function(window, undefined) {
     /* Debounce and throttle functions taken from underscore.js */
     window.debounce = function(func, wait, immediate) {
         var timeout;
@@ -360,7 +360,7 @@
         };
     };
 
-})(window)
+})(window);
 
 ;(function($, window, document, undefined){
 
@@ -411,7 +411,7 @@
       this.player_min_left = 0 + this.options.offset_left;
 
       this.init();
-    };
+    }
 
     var fn = Draggable.prototype;
 
@@ -438,7 +438,7 @@
     fn.drag_handler = function(e) {
         if (e.which !== 1) {
             return false;
-        };
+        }
 
         var self = this;
         var first = true;
@@ -464,7 +464,7 @@
 
             if (self.is_dragging == true) {
                 throttle(self.on_dragmove.call(self, mme), 130);
-            };
+            }
 
             return false;
 
@@ -492,7 +492,7 @@
             this.options.start.call(this.$player, e, {
                 helper: this.helper ? this.$helper : this.$player
             });
-        };
+        }
         return false;
     };
 
@@ -512,12 +512,12 @@
             }else if(left < this.player_min_left) {
                 left = this.player_min_left;
             }
-        };
+        }
 
         return {
             left: left,
             top: top
-        }
+        };
     };
 
 
@@ -554,7 +554,7 @@
                 'left': offset.left,
                 'top': offset.top
             }
-        }
+        };
 
         if (this.options.stop) {
             this.options.stop.call(this.$player, e, ui);
@@ -714,7 +714,7 @@
         this.$wrapper.find('.player-revert').removeClass('player-revert');
         this.drag_api.disable();
         return this;
-    }
+    };
 
 
     /**
@@ -726,7 +726,7 @@
     fn.enable = function() {
         this.drag_api.enable();
         return this;
-    }
+    };
 
 
     /**
@@ -828,7 +828,7 @@
 
             if (callback) {
                 callback.apply(this, el);
-            };
+            }
         }, this));
     };
 
@@ -897,7 +897,7 @@
                 'data-sizex': wgd.size_x,
                 'data-sizey': wgd.size_y
             });
-        };
+        }
 
         // attach Coord object to player data-coord attribute
         $el.data('coords', $el.coords());
@@ -1068,7 +1068,7 @@
         var abs_offset = {
             left: ui.position.left + this.baseX,
             top: ui.position.top + this.baseY
-        }
+        };
 
         this.colliders_data = this.collision_api.get_closest_colliders(
             abs_offset);
@@ -1340,7 +1340,7 @@
     * Sorts an Array of grid coords objects (representing the grid coords of
     * each widget) placing first the empty cells upper left.
     *
-    * @method sort_by_row_asc
+    * @method sort_by_row_and_col_asc
     * @param {Array} widgets Array of grid coords objects
     * @return {Array} Returns the array sorted.
     */
@@ -1360,7 +1360,7 @@
     * Sorts an Array of grid coords objects by column (representing the grid
     * coords of each widget) in ascending way.
     *
-    * @method sort_by_row_asc
+    * @method sort_by_col_asc
     * @param {Array} widgets Array of grid coords objects
     * @return {Array} Returns the array sorted.
     */
@@ -1626,7 +1626,7 @@
         var right_col = (col + phgd.size_x - 1);
         if (right_col > this.cols) {
             col = col - (right_col - col);
-        };
+        }
 
         var moved_down = this.placeholder_grid_data.row < row;
         var changed_column = this.placeholder_grid_data.col !== col;
@@ -2525,19 +2525,19 @@
             $widgets = $widgets.add(
                 this.$widgets.filter(function() {
                     var tcol = $(this).attr('data-col');
-                    return (tcol == col || tcol > col);
+                    return (tcol === col || tcol > col);
                 })
             );
-        };
+        }
 
         if (row) {
             $widgets = $widgets.add(
                 this.$widgets.filter(function() {
                     var trow = $(this).attr('data-row');
-                    return (trow == row || trow > row);
+                    return (trow === row || trow > row);
                 })
             );
-        };
+        }
 
         return $widgets;
     }
@@ -2589,7 +2589,7 @@
         // don't duplicate stylesheets for the same configuration
         if ($.inArray(serialized_opts, Gridster.generated_stylesheets) >= 0) {
             return false;
-        };
+        }
 
         Gridster.generated_stylesheets.push(serialized_opts);
 
diff --git a/dist/jquery.gridster.min.css b/dist/jquery.gridster.min.css
index 3cce5bc9d1..195434aebd 100644
--- a/dist/jquery.gridster.min.css
+++ b/dist/jquery.gridster.min.css
@@ -1,3 +1,3 @@
-/*! gridster.js - v0.1.0 - 2012-07-23
+/*! gridster.js - v0.1.0 - 2012-07-24
 * https://github.com/ducksboard/gridster.js
 * Copyright (c) 2012 ducksboard; Licensed MIT, GPL */.gridster{position:relative}.gridster>*{margin:0 auto;-webkit-transition:height .4s;-moz-transition:height .4s;-o-transition:height .4s;-ms-transition:height .4s;transition:height .4s}.gridster .gs_w{z-index:2;position:absolute}.ready .gs_w:not(.preview-holder){-webkit-transition:opacity .3s,left .3s,top .3s;-moz-transition:opacity .3s,left .3s,top .3s;-o-transition:opacity .3s,left .3s,top .3s;transition:opacity .3s,left .3s,top .3s}.gridster .preview-holder{z-index:1;position:absolute;background-color:#fff;border-color:#fff;opacity:.3}.gridster .player-revert{z-index:10!important;-webkit-transition:left .3s,top .3s!important;-moz-transition:left .3s,top .3s!important;-o-transition:left .3s,top .3s!important;transition:left .3s,top .3s!important}.gridster .dragging{z-index:10!important;-webkit-transition:all 0s!important;-moz-transition:all 0s!important;-o-transition:all 0s!important;transition:all 0s!important}
\ No newline at end of file
diff --git a/dist/jquery.gridster.min.js b/dist/jquery.gridster.min.js
index 9be252218e..5b21058a4c 100644
--- a/dist/jquery.gridster.min.js
+++ b/dist/jquery.gridster.min.js
@@ -1,4 +1,4 @@
-/*! gridster.js - v0.1.0 - 2012-07-23
+/*! gridster.js - v0.1.0 - 2012-07-24
 * https://github.com/ducksboard/gridster.js
 * Copyright (c) 2012 ducksboard; Licensed MIT, GPL */
-(function(a,b,c,d){function e(b){return b[0]&&a.isPlainObject(b[0])?this.data=b[0]:this.el=b,this.isCoords=!0,this.coords={},this.init(),this}var f=e.prototype;f.init=function(){this.set(),this.original_coords=this.get()},f.set=function(a,b){var c=this.el;c&&!a&&(this.data={}||c.offset(),this.data.width=c.width(),this.data.height=c.height());if(c&&a&&!b){var d=c.offset();this.data.top=d.top,this.data.left=d.left}var e=this.data;return this.coords.x1=e.left,this.coords.y1=e.top,this.coords.x2=e.left+e.width,this.coords.y2=e.top+e.height,this.coords.cx=e.left+e.width/2,this.coords.cy=e.top+e.height/2,this.coords.width=e.width,this.coords.height=e.height,this.coords.el=c||!1,this},f.update=function(b){if(!b&&!this.el)return this;if(b){var c=a.extend({},this.data,b);return this.data=c,this.set(!0,!0)}return this.set(!0),this},f.get=function(){return this.coords},a.fn.coords=function(){if(this.data("coords"))return this.data("coords");var a=new e(this,arguments[0]);return this.data("coords",a),a}})(jQuery,window,document),function(a,b,c,d){function f(b,c,d){this.options=a.extend(e,d),this.$element=b,this.last_colliders=[],this.last_colliders_coords=[],typeof c=="string"||c instanceof jQuery?this.$colliders=a(c,this.options.colliders_context).not(this.$element):this.colliders=a(c),this.init()}var e={colliders_context:c.body},g=f.prototype;g.init=function(){this.find_collisions()},g.overlaps=function(a,b){var c=!1,d=!1;if(b.x1>=a.x1&&b.x1<=a.x2||b.x2>=a.x1&&b.x2<=a.x2||a.x1>=b.x1&&a.x2<=b.x2)c=!0;if(b.y1>=a.y1&&b.y1<=a.y2||b.y2>=a.y1&&b.y2<=a.y2||a.y1>=b.y1&&a.y2<=b.y2)d=!0;return c&&d},g.detect_overlapping_region=function(a,b){var c="",d="";return a.y1>b.cy&&a.y1<b.y2&&(c="N"),a.y2>b.y1&&a.y2<b.cy&&(c="S"),a.x1>b.cx&&a.x1<b.x2&&(d="W"),a.x2>b.x1&&a.x2<b.cx&&(d="E"),c+d||"C"},g.calculate_overlapped_area_coords=function(b,c){var d=Math.max(b.x1,c.x1),e=Math.max(b.y1,c.y1),f=Math.min(b.x2,c.x2),g=Math.min(b.y2,c.y2);return a({left:d,top:e,width:f-d,height:g-e}).coords().get()},g.calculate_overlapped_area=function(a){return a.width*a.height},g.manage_colliders_start_stop=function(b,c,d){var e=this.last_colliders_coords;for(var f=0,g=e.length;f<g;f++)a.inArray(e[f],b)===-1&&c.call(this,e[f]);for(var h=0,i=b.length;h<i;h++)a.inArray(b[h],e)===-1&&d.call(this,b[h])},g.find_collisions=function(b){var c=this,d=[],e=[],f=this.colliders||this.$colliders,g=f.length,h=c.$element.coords().update(b||!1).get();while(g--){var i=c.$colliders?a(f[g]):f[g],j=i.isCoords?i:i.coords(),k=j.get(),l=c.overlaps(h,k);if(!l)continue;var m=c.detect_overlapping_region(h,k);if(m==="C"){var n=c.calculate_overlapped_area_coords(h,k),o=c.calculate_overlapped_area(n),p={area:o,area_coords:n,region:m,coords:k,player_coords:h,el:i};c.options.on_overlap.call(this,p),d.push(j),e.push(p)}}return this.manage_colliders_start_stop(d,c.options.on_overlap_stop,c.options.on_overlap_start),this.last_colliders_coords=d,e},g.get_closest_colliders=function(a){var b=this.find_collisions(a),c=100;return b.sort(function(a,b){return a.area<=c?1:a.region==="C"&&b.region==="C"?a.coords.y1<b.coords.y1||a.coords.x1<b.coords.x1?-1:1:a.area<b.area?1:1}),b},a.fn.collision=function(a,b){return new f(this,a,b)}}(jQuery,window,document),function(a,b){a.debounce=function(a,b,c){var d;return function(){var e=this,f=arguments,g=function(){d=null,c||a.apply(e,f)};c&&!d&&a.apply(e,f),clearTimeout(d),d=setTimeout(g,b)}},a.throttle=function(a,b){var c,d,e,f,g,h,i=debounce(function(){g=f=!1},b);return function(){c=this,d=arguments;var j=function(){e=null,g&&a.apply(c,d),i()};return e||(e=setTimeout(j,b)),f?g=!0:h=a.apply(c,d),i(),f=!0,h}}}(window),function(a,b,c,d){function g(b,c){this.options=a.extend({},e,c),this.$container=a(b),this.$dragitems=a(this.options.items,this.$container),this.is_dragging=!1,this.player_min_left=0+this.options.offset_left,this.init()}var e={items:".gs_w",distance:1,limit:!0,offset_left:0},f=a(c.body),h=g.prototype;h.init=function(){this.$container.css("position","relative"),this.enable()},h.get_actual_pos=function(a){var b=a.position();return b},h.get_mouse_pos=function(a){return{left:a.clientX,top:a.clientY}},h.drag_handler=function(b){if(b.which!==1)return!1;var c=this,d=!0;return this.$player=a(b.currentTarget),this.el_init_pos=this.get_actual_pos(this.$player),this.mouse_init_pos=this.get_mouse_pos(b),f.on("mousemove.draggable",function(a){var b=c.get_mouse_pos(a),e=Math.abs(b.left-c.mouse_init_pos.left),f=Math.abs(b.top-c.mouse_init_pos.top);return e>c.options.distance||f>c.options.distance?d?(d=!1,c.on_dragstart.call(c,a),!1):(c.is_dragging==!0&&throttle(c.on_dragmove.call(c,a),130),!1):!1}),!1},h.on_dragstart=function(a){return a.preventDefault(),this.drag_start=!0,this.is_dragging=!0,this.$container_offset=this.$container.offset(),this.options.helper==="clone"?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.player_max_left=this.$container.width()-this.player_width+this.options.offset_left,this.options.start&&this.options.start.call(this.$player,a,{helper:this.helper?this.$helper:this.$player}),!1},h.get_offset=function(a){a.preventDefault();var b=this.get_mouse_pos(a),c=b.left-this.mouse_init_pos.left,d=b.top-this.mouse_init_pos.top,e=this.el_init_offset.left+c-this.$container_offset.left,f=this.el_init_offset.top+d-this.$container_offset.top;return this.options.limit&&(e>this.player_max_left?e=this.player_max_left:e<this.player_min_left&&(e=this.player_min_left)),{left:e,top:f}},h.on_dragmove=function(a){var b=this.get_offset(a);(this.helper?this.$helper:this.$player).css({position:"absolute",left:b.left,top:b.top});var c={position:{left:b.left,top:b.top}};return this.options.drag&&this.options.drag.call(this.$player,a,c),!1},h.on_dragstop=function(a){var b=this.get_offset(a);this.drag_start=!1;var c={position:{left:b.left,top:b.top}};return this.options.stop&&this.options.stop.call(this.$player,a,c),this.helper&&this.$helper.remove(),!1},h.enable=function(){this.$container.on("mousedown.draggable",this.options.items,a.proxy(this.drag_handler,this)),f.on("mouseup.draggable",a.proxy(function(a){this.is_dragging=!1,f.off("mousemove.draggable"),this.drag_start&&this.on_dragstop(a)},this))},h.disable=function(){this.$container.off("mousedown.draggable"),f.off("mouseup.draggable")},h.destroy=function(){this.disable(),a.removeData(this.$container,"draggable")},a.fn.draggable=function(b){return this.each(function(){a.data(this,"draggable")||a.data(this,"draggable",new g(this,b))})}}(jQuery,window,document),function(a,b,c,d){function f(b,c){this.options=a.extend(!0,e,c),this.$el=a(b),this.$wrapper=this.$el.parent(),this.$widgets=a(this.options.widget_selector,this.$el).addClass("gs_w"),this.widgets=[],this.$changed=a([]),this.wrapper_width=this.$wrapper.width(),this.min_widget_width=this.options.widget_margins[0]*2+this.options.widget_base_dimensions[0],this.min_widget_height=this.options.widget_margins[1]*2+this.options.widget_base_dimensions[1],this.init()}var e={widget_selector:"> li",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,min_rows:15,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,serialize_params:function(a,b){return{col:b.col,row:b.row}},collision:{},draggable:{distance:4}};f.generated_stylesheets=[];var g=f.prototype;g.init=function(){this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.$wrapper.addClass("ready"),this.draggable(),a(b).bind("resize",throttle(a.proxy(this.recalculate_faux_grid,this),200))},g.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},g.enable=function(){return this.drag_api.enable(),this},g.add_widget=function(b,c,d){var e=this.next_position(c,d),f=a(b).attr({"data-col":e.col,"data-row":e.row,"data-sizex":e.size_x,"data-sizey":e.size_y}).addClass("gs_w").appendTo(this.$el).hide();return this.$widgets=this.$widgets.add(f),this.register_widget(f),this.set_dom_grid_height(),f.fadeIn()},g.next_position=function(a,b){a||(a=1),b||(b=1);var c=this.gridmap,d=c.length,e=[];for(var f=1;f<d;f++){var g=c[f].length;for(var h=1;h<=g;h++){var i=this.can_move_to({size_x:a,size_y:b},f,h);i&&e.push({col:f,row:h,size_y:b,size_x:a})}}return e.length?this.sort_by_row_and_col_asc(e)[0]:!1},g.remove_widget=function(b,c){var d=b instanceof jQuery?b:a(b),e=d.coords().grid;this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(d);var f=this.widgets_below(d);this.remove_from_gridmap(e),d.fadeOut(a.proxy(function(){d.remove(),f.each(a.proxy(function(b,c){this.move_widget_up(a(c),e.size_y)},this)),c&&c.apply(this,b)},this))},g.serialize=function(b){b||(b=this.$widgets);var c=[];return b.each(a.proxy(function(b,d){c.push(this.options.serialize_params(a(d),a(d).coords().grid))},this)),c},g.serialize_changed=function(){return this.serialize(this.$changed)},g.register_widget=function(a){var b={col:parseInt(a.attr("data-col"),10),row:parseInt(a.attr("data-row"),10),size_x:parseInt(a.attr("data-sizex"),10),size_y:parseInt(a.attr("data-sizey"),10),el:a};return this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:b.size_x,size_y:b.size_y},b.col,b.row)&&(b=this.next_position(b.size_x,b.size_y),b.el=a,a.attr({"data-col":b.col,"data-row":b.row,"data-sizex":b.size_x,"data-sizey":b.size_y})),a.data("coords",a.coords()),a.data("coords").grid=b,this.add_to_gridmap(b,a),this.widgets.push(a),this},g.update_widget_position=function(a,b){return this.for_each_cell_occupied(a,function(a,c){if(!this.gridmap[a])return this;this.gridmap[a][c]=b}),this},g.remove_from_gridmap=function(a){return this.update_widget_position(a,!1)},g.add_to_gridmap=function(b,c){this.update_widget_position(b,c||b.el);if(b.el){var d=this.widgets_below(b.el);d.each(a.proxy(function(b,c){this.move_widget_up(a(c))},this))}},g.draggable=function(){var b=this,c=a.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],items:".gs_w",start:function(c,d){b.$widgets.filter(".player-revert").removeClass("player-revert"),b.$player=a(this),b.$helper=b.options.draggable.helper==="clone"?a(d.helper):b.$player,b.helper=!b.$helper.is(b.$player),b.on_start_drag.call(b,c,d),b.$el.trigger("gridster:dragstart")},stop:function(a,c){b.on_stop_drag.call(b,a,c),b.$el.trigger("gridster:dragstop")},drag:function(a,c){b.on_drag.call(b,a,c),b.$el.trigger("gridster:drag")}});return this.drag_api=this.$el.draggable(c).data("draggable"),this},g.on_start_drag=function(b,c){this.$helper.add(this.$player).add(this.$wrapper).addClass("dragging"),this.$player.addClass("player"),this.player_grid_data=this.$player.coords().grid,this.placeholder_grid_data=a.extend({},this.player_grid_data),this.$el.css("height",this.$el.height()+this.player_grid_data.size_y*this.min_widget_height);var d=this.faux_grid,e=this.$player.data("coords").coords;this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data),this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.last_cols=[],this.last_rows=[],this.collision_api=this.$helper.collision(d,this.options.collision),this.$preview_holder=a("<li />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:e.width,height:e.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,b,c)},g.on_drag=function(a,b){var c={left:b.position.left+this.baseX,top:b.position.top+this.baseY};this.colliders_data=this.collision_api.get_closest_colliders(c),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.helper&&this.$player&&this.$player.css({left:b.position.left,top:b.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,a,b)},g.on_stop_drag=function(a,b){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),b.position.left=b.position.left+this.baseX,b.position.top=b.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(b.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$player.addClass("player-revert").removeClass("player").attr({"data-col":this.placeholder_grid_data.col,"data-row":this.placeholder_grid_data.row}).css({left:"",top:""}),this.$changed=this.$changed.add(this.$player),this.cells_occupied_by_player=this.get_cells_occupied(this.placeholder_grid_data),this.set_cells_player_occupies(this.placeholder_grid_data.col,this.placeholder_grid_data.row),this.$player.coords().grid.row=this.placeholder_grid_data.row,this.$player.coords().grid.col=this.placeholder_grid_data.col,this.$player=null,this.$preview_holder.remove(),this.set_dom_grid_height(),this.options.draggable.stop&&this.options.draggable.stop.call(this,a,b)},g.on_overlapped_column_change=function(b,c){if(!this.colliders_data.length)return;var d=this.get_targeted_columns(this.colliders_data[0].el.data.col),e=this.last_cols.length,f=d.length,g;for(g=0;g<f;g++)a.inArray(d[g],this.last_cols)===-1&&(b||a.noop).call(this,d[g]);for(g=0;g<e;g++)a.inArray(this.last_cols[g],d)===-1&&(c||a.noop).call(this,this.last_cols[g]);return this.last_cols=d,this},g.on_overlapped_row_change=function(b,c){if(!this.colliders_data.length)return;var d=this.get_targeted_rows(this.colliders_data[0].el.data.row),e=this.last_rows.length,f=d.length,g;for(g=0;g<f;g++)a.inArray(d[g],this.last_rows)===-1&&(b||a.noop).call(this,d[g]);for(g=0;g<e;g++)a.inArray(this.last_rows[g],d)===-1&&(c||a.noop).call(this,this.last_rows[g]);this.last_rows=d},g.set_player=function(a,b){this.empty_cells_player_occupies();var c=this,d=c.colliders_data[0].el.data,e=d.col,f=b||d.row;this.player_grid_data={col:e,row:f,size_y:this.player_grid_data.size_y,size_x:this.player_grid_data.size_x},this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data);var g=this.get_widgets_overlapped(this.player_grid_data),h=this.widgets_constraints(g);this.manage_movements(h.can_go_up,e,f),this.manage_movements(h.can_not_go_up,e,f);if(!g.length){var i=this.can_go_player_up(this.player_grid_data);i!==!1&&(f=i),this.set_placeholder(e,f)}return{col:e,row:f}},g.widgets_constraints=function(b){var c=a([]),d,e=[],f=[];return b.each(a.proxy(function(b,d){var g=a(d),h=g.coords().grid;this.can_go_widget_up(h)?(c=c.add(g),e.push(h)):f.push(h)},this)),d=b.not(c),{can_go_up:this.sort_by_row_asc(e),can_not_go_up:this.sort_by_row_desc(f)}},g.sort_by_row_asc=function(a){return a=a.sort(function(a,b){return a.row>b.row?1:-1}),a},g.sort_by_row_and_col_asc=function(a){return a=a.sort(function(a,b){return a.row>b.row||a.row==b.row&&a.col>b.col?1:-1}),a},g.sort_by_col_asc=function(a){return a=a.sort(function(a,b){return a.col>b.col?1:-1}),a},g.sort_by_row_desc=function(a){return a=a.sort(function(a,b){return a.row+a.size_y<b.row+b.size_y?1:-1}),a},g.manage_movements=function(b,c,d){return a.each(b,a.proxy(function(a,b){var e=b,f=e.el,g=this.can_go_widget_up(e);if(g)this.move_widget_to(f,g),this.set_placeholder(c,g+e.size_y);else{var h=this.can_go_player_up(this.player_grid_data);if(!h){var i=d+this.player_grid_data.size_y-e.row;this.move_widget_down(f,i),this.set_placeholder(c,d)}}},this)),this},g.is_player=function(a,b){if(b&&!this.gridmap[a])return!1;var c=b?this.gridmap[a][b]:a;return c&&(c.is(this.$player)||c.is(this.$helper))},g.is_player_in=function(b,c){var d=this.cells_occupied_by_player;return a.inArray(b,d.cols)>=0&&a.inArray(c,d.rows)>=0},g.is_placeholder_in=function(b,c){var d=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(b)&&a.inArray(c,d.rows)>=0},g.is_placeholder_in_col=function(b){var c=this.cells_occupied_by_placeholder||[];return a.inArray(b,c.cols)>=0},g.is_empty=function(a,b){return typeof this.gridmap[a]!="undefined"&&typeof this.gridmap[a][b]!="undefined"&&this.gridmap[a][b]===!1?!0:!1},g.is_occupied=function(a,b){return this.gridmap[a]?this.gridmap[a][b]?!0:!1:!1},g.is_widget=function(a,b){var c=this.gridmap[a];return c?(c=c[b],c?c:!1):!1},g.is_widget_under_player=function(a,b){return this.is_widget(a,b)?this.is_player_in(a,b):!1},g.get_widgets_under_player=function(){var b=this.cells_occupied_by_player,c=a([]);return a.each(b.cols,a.proxy(function(d,e){a.each(b.rows,a.proxy(function(a,b){this.is_widget(e,b)&&(c=c.add(this.gridmap[e][b]))},this))},this)),c},g.set_placeholder=function(b,c){var d=a.extend({},this.placeholder_grid_data),e=this.widgets_below({col:d.col,row:d.row,size_y:d.size_y,size_x:d.size_x}),f=b+d.size_x-1;f>this.cols&&(b=b-(f-b));var g=this.placeholder_grid_data.row<c,h=this.placeholder_grid_data.col!==b;this.placeholder_grid_data.col=b,this.placeholder_grid_data.row=c,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":c,"data-col":b}),(g||h)&&e.each(a.proxy(function(c,e){this.move_widget_up(a(e),this.placeholder_grid_data.col-b+d.size_y)},this))},g.can_go_player_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4,f=this.get_widgets_under_player();return this.for_each_column_occupied(a,function(a){var g=this.gridmap[a],h=b+1;d[a]=[];while(--h>0)if(this.is_empty(a,h)||this.is_player(a,h)||this.is_widget(a,h)&&g[h].is(f))d[a].push(h),e=h<e?h:e;else break;if(d[a].length===0)return c=!1,!0;d[a].sort()}),c?this.get_valid_rows(a,d,e):!1},g.can_go_widget_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4;return this.for_each_column_occupied(a,function(a){var f=this.gridmap[a];d[a]=[];var g=b+1;while(--g>0){if(this.is_occupied(a,g)&&!this.is_player(a,g))break;!this.is_player(a,g)&&!this.is_placeholder_in(a,g)&&d[a].push(g),g<e&&(e=g)}if(d[a].length===0)return c=!1,!0;d[a].sort()}),c?this.get_valid_rows(a,d,e):!1},g.get_valid_rows=function(b,c,d){var e=b.row,f=b.row+b.size_y-1,g=b.size_y,h=d-1,i=[];while(++h<=f){var j=!0;a.each(c,function(b,c){c&&a.inArray(h,c)===-1&&(j=!1)});if(j===!0){i.push(h);if(i.length===g)break}}var k=!1;return g===1?i[0]!==e&&(k=i[0]||!1):i[0]!==e&&(k=this.get_consecutive_numbers_index(i,g)),k},g.get_consecutive_numbers_index=function(a,b){var c=a.length,d=[],e=!0,f=-1;for(var g=0;g<c;g++){if(e||a[g]===f+1){d.push(g);if(d.length===b)break;e=!1}else d=[],e=!0;f=a[g]}return d.length>=b?a[d[0]]:!1},g.get_widgets_overlapped=function(){var b,c=a([]),d=[],e=this.cells_occupied_by_player.rows.slice(0);return e.reverse(),a.each(this.cells_occupied_by_player.cols,a.proxy(function(b,f){a.each(e,a.proxy(function(b,e){if(!this.gridmap[f])return!0;var g=this.gridmap[f][e];this.is_occupied(f,e)&&!this.is_player(g)&&a.inArray(g,d)===-1&&(c=c.add(g),d.push(g))},this))},this)),c},g.on_start_overlapping_column=function(a){this.set_player(a,!1)},g.on_start_overlapping_row=function(a){this.set_player(!1,a)},g.on_stop_overlapping_column=function(a){this.set_player();var b=this;this.for_each_widget_below(a,this.cells_occupied_by_player.rows[0],function(a,c){b.move_widget_up(this,b.player_grid_data.size_y)})},g.on_stop_overlapping_row=function(a){this.set_player();var b=this,c=this.cells_occupied_by_player.cols;for(var d=0,e=c.length;d<e;d++)this.for_each_widget_below(c[d],a,function(a,c){b.move_widget_up(this,b.player_grid_data.size_y)})},g.move_widget_to=function(b,c){var d=this,e=b.coords().grid,f=c-e.row,g=this.widgets_below(b),h=this.can_move_to(e,e.col,c,b);return h===!1?!1:(this.remove_from_gridmap(e),e.row=c,this.add_to_gridmap(e),b.attr("data-row",c),this.$changed=this.$changed.add(b),g.each(function(b,c){var e=a(c),f=e.coords().grid,g=d.can_go_widget_up(f);g&&g!==f.row&&d.move_widget_to(e,g)}),this)},g.move_widget_up=function(b,c){var d=b.coords().grid,e=d.row,f=[],g=!0;c||(c=1);if(!this.can_go_up(b))return!1;this.for_each_column_occupied(d,function(d){if(a.inArray(b,f)===-1){var g=b.coords().grid,h=e-c;h=this.can_go_up_to_row(g,d,h);if(!h)return!0;var i=this.widgets_below(b);this.remove_from_gridmap(g),g.row=h,this.add_to_gridmap(g),b.attr("data-row",g.row),this.$changed=this.$changed.add(b),f.push(b),i.each(a.proxy(function(b,d){this.move_widget_up(a(d),c)},this))}})},g.move_widget_down=function(b,c){var d=b.coords().grid,e=d.row,f=[],g=c;if(!b)return!1;if(a.inArray(b,f)===-1){var h=b.coords().grid,i=e+c,j=this.widgets_below(b);this.remove_from_gridmap(h),j.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,f=this.displacement_diff(e,h,g);f>0&&this.move_widget_down(d,f)},this)),h.row=i,this.update_widget_position(h,b),b.attr("data-row",h.row),this.$changed=this.$changed.add(b),f.push(b)}},g.can_go_up_to_row=function(b,c,d){var e=this.gridmap,f=!0,g=[],h=b.row,i;this.for_each_column_occupied(b,function(a){var b=e[a];g[a]=[],i=h;while(i--)if(this.is_empty(a,i)&&!this.is_placeholder_in(a,i))g[a].push(i);else break;if(!g[a].length)return f=!1,!0});if(!f)return!1;i=d;for(i=1;i<h;i++){var j=!0;for(var k=0,l=g.length;k<l;k++)g[k]&&a.inArray(i,g[k])===-1&&(j=!1);if(j===!0){f=i;break}}return f},g.displacement_diff=function(a,b,c){var d=a.row,e=[],f=b.row+b.size_y;this.for_each_column_occupied(a,function(a){var b=0;for(var c=f;c<d;c++)this.is_empty(a,c)&&(b=b+1);e.push(b)});var g=Math.max.apply(null,e);return c=c-g,c>0?c:0},g.widgets_below=function(b){var c=a.isPlainObject(b)?b:b.coords().grid,d=this,e=this.gridmap,f=c.row+c.size_y-1,g=a([]);return this.for_each_column_occupied(c,function(b){d.for_each_widget_below(b,f,function(b,c){if(!d.is_player(this)&&a.inArray(this,g)===-1)return g=g.add(this),!0})}),this.sort_by_row_asc(g)},g.set_cells_player_occupies=function(a,b){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=a,this.placeholder_grid_data.row=b,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},g.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},g.can_go_up=function(a){var b=a.coords().grid,c=b.row,d=c-1,e=this.gridmap,f=[],g=!0;return c===1?!1:(this.for_each_column_occupied(b,function(a){var b=this.is_widget(a,d);if(this.is_occupied(a,d)||this.is_player(a,d)||this.is_placeholder_in(a,d))return g=!1,!0}),g)},g.can_move_to=function(a,b,c){var d=this.gridmap,e=a.el,f={size_y:a.size_y,size_x:a.size_x,col:b,row:c},g=!0,h=b+a.size_x-1;return h>this.cols?!1:(this.for_each_cell_occupied(f,function(b,c){var d=this.is_widget(b,c);d&&(!a.el||d.is(e))&&(g=!1)}),g)},g.get_targeted_columns=function(a){var b=(a||this.player_grid_data.col)+(this.player_grid_data.size_x-1),c=[];for(var d=a;d<=b;d++)c.push(d);return c},g.get_targeted_rows=function(a){var b=(a||this.player_grid_data.row)+(this.player_grid_data.size_y-1),c=[];for(var d=a;d<=b;d++)c.push(d);return c},g.get_cells_occupied=function(a){var b={cols:[],rows:[]},c;arguments[1]instanceof jQuery&&(a=arguments[1].coords().grid);for(c=0;c<a.size_x;c++){var d=a.col+c;b.cols.push(d)}for(c=0;c<a.size_y;c++){var e=a.row+c;b.rows.push(e)}return b},g.for_each_cell_occupied=function(a,b){return this.for_each_column_occupied(a,function(c){this.for_each_row_occupied(a,function(a){b.call(this,c,a)})}),this},g.for_each_column_occupied=function(a,b){for(var c=0;c<a.size_x;c++){var d=a.col+c;b.call(this,d,a)}},g.for_each_row_occupied=function(a,b){for(var c=0;c<a.size_y;c++){var d=a.row+c;b.call(this,d,a)}},g._traversing_widgets=function(b,c,d,e,f){var g=this.gridmap;if(!g[d])return;var h,i,j=b+"/"+c;if(arguments[2]instanceof jQuery){var k=arguments[2].coords().grid;d=k.col,e=k.row,f=arguments[3]}var l=[],m=e,n={"for_each/above":function(){while(m--)if(m>0&&this.is_widget(d,m)&&a.inArray(g[d][m],l)===-1){h=f.call(g[d][m],d,m),l.push(g[d][m]);if(h)break}},"for_each/below":function(){for(m=e+1,i=g[d].length;m<i;m++)if(this.is_widget(d,m)&&a.inArray(g[d][m],l)===-1){h=f.call(g[d][m],d,m),l.push(g[d][m]);if(h)break}}};n[j]&&n[j].call(this)},g.for_each_widget_above=function(a,b,c){return this._traversing_widgets("for_each","above",a,b,c),this},g.for_each_widget_below=function(a,b,c){return this._traversing_widgets("for_each","below",a,b,c),this},g.get_highest_occupied_cell=function(){var a,b=this.gridmap,c=[],d=[];for(var e=b.length-1;e>=1;e--)for(a=b[e].length-1;a>=1;a--)if(this.is_widget(e,a)){c.push(a),d[a]=e;break}var f=Math.max.apply(null,c);return this.highest_occupied_cell={col:d[f],row:f},this.highest_occupied_cell},g.get_widgets_from=function(b,c){var d=this.gridmap,e=a();return b&&(e=e.add(this.$widgets.filter(function(){var c=a(this).attr("data-col");return c==b||c>b}))),c&&(e=e.add(this.$widgets.filter(function(){var b=a(this).attr("data-row");return b==c||b>c}))),e},g.set_dom_grid_height=function(){var a=this.get_highest_occupied_cell().row;return this.$el.css("height",a*this.min_widget_height),this},g.generate_stylesheet=function(b){var c="",d=10,e=6,g=6,h,i;b||(b={}),b.cols||(b.cols=this.cols),b.rows||(b.rows=this.rows),b.namespace||(b.namespace=""),b.widget_base_dimensions||(b.widget_base_dimensions=this.options.widget_base_dimensions),b.widget_margins||(b.widget_margins=this.options.widget_margins),b.min_widget_width=b.widget_margins[0]*2+b.widget_base_dimensions[0],b.min_widget_height=b.widget_margins[1]*2+b.widget_base_dimensions[1];var j=a.param(b);if(a.inArray(j,f.generated_stylesheets)>=0)return!1;f.generated_stylesheets.push(j);for(h=b.cols+d;h>=0;h--)c+=b.namespace+' [data-col="'+(h+1)+'"] { left:'+(h*b.widget_base_dimensions[0]+h*b.widget_margins[0]+(h+1)*b.widget_margins[0])+"px;} ";for(h=b.rows+d;h>=0;h--)c+=b.namespace+' [data-row="'+(h+1)+'"] { top:'+(h*b.widget_base_dimensions[1]+h*b.widget_margins[1]+(h+1)*b.widget_margins[1])+"px;} ";for(var k=1;k<e;k++)c+=b.namespace+' [data-sizey="'+k+'"] { height:'+(k*b.widget_base_dimensions[1]+(k-1)*b.widget_margins[1]*2)+"px;}";for(var l=1;l<g;l++)c+=b.namespace+' [data-sizex="'+l+'"] { width:'+(l*b.widget_base_dimensions[0]+(l-1)*b.widget_margins[0]*2)+"px;}";return this.add_style_tag(c)},g.add_style_tag=function(a){var b=c,d=b.createElement("style");return b.getElementsByTagName("head")[0].appendChild(d),d.setAttribute("type","text/css"),d.styleSheet?d.styleSheet.cssText=a:d.appendChild(c.createTextNode(a)),this},g.generate_faux_grid=function(b,c){this.faux_grid=[],this.gridmap=[];var d,e;for(d=c;d>0;d--){this.gridmap[d]=[];for(e=b;e>0;e--){var f=a({left:this.baseX+(d-1)*this.min_widget_width,top:this.baseY+(e-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:d,row:e,original_col:d,original_row:e}).coords();this.gridmap[d][e]=!1,this.faux_grid.push(f)}}return this},g.recalculate_faux_grid=function(){var c=this.$wrapper.width();return this.baseX=(a(b).width()-c)/2,this.baseY=this.$wrapper.offset().top,a.each(this.faux_grid,a.proxy(function(a,b){this.faux_grid[a]=b.update({left:this.baseX+(b.data.col-1)*this.min_widget_width,top:this.baseY+(b.data.row-1)*this.min_widget_height})},this)),this},g.get_widgets_from_DOM=function(){return this.$widgets.each(a.proxy(function(b,c){this.register_widget(a(c))},this)),this},g.generate_grid_and_stylesheet=function(){var c=this.$wrapper.width(),d=this.$wrapper.height(),e=Math.floor(c/this.min_widget_width)+this.options.extra_cols,f=Math.floor(d/this.min_widget_height)+this.options.extra_rows,g=this.$widgets.map(function(){return a(this).attr("data-col")}),h=this.$widgets.map(function(){return a(this).attr("data-row")}),i=Math.max.apply(null,g),j=Math.max.apply(null,h);return this.cols=Math.max(i,e,this.options.min_cols),this.rows=Math.max(j,f,this.options.min_rows),this.baseX=(a(b).width()-c)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},a.fn.gridster=function(b){return this.each(function(){a(this).data("gridster")||a(this).data("gridster",new f(this,b))})}}(jQuery,window,document);
\ No newline at end of file
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this.data("coords",a),a}})(jQuery,window,document),function(a,b,c,d){function f(b,c,d){this.options=a.extend(e,d),this.$element=b,this.last_colliders=[],this.last_colliders_coords=[],typeof c=="string"||c instanceof jQuery?this.$colliders=a(c,this.options.colliders_context).not(this.$element):this.colliders=a(c),this.init()}var e={colliders_context:c.body},g=f.prototype;g.init=function(){this.find_collisions()},g.overlaps=function(a,b){var c=!1,d=!1;if(b.x1>=a.x1&&b.x1<=a.x2||b.x2>=a.x1&&b.x2<=a.x2||a.x1>=b.x1&&a.x2<=b.x2)c=!0;if(b.y1>=a.y1&&b.y1<=a.y2||b.y2>=a.y1&&b.y2<=a.y2||a.y1>=b.y1&&a.y2<=b.y2)d=!0;return c&&d},g.detect_overlapping_region=function(a,b){var c="",d="";return a.y1>b.cy&&a.y1<b.y2&&(c="N"),a.y2>b.y1&&a.y2<b.cy&&(c="S"),a.x1>b.cx&&a.x1<b.x2&&(d="W"),a.x2>b.x1&&a.x2<b.cx&&(d="E"),c+d||"C"},g.calculate_overlapped_area_coords=function(b,c){var d=Math.max(b.x1,c.x1),e=Math.max(b.y1,c.y1),f=Math.min(b.x2,c.x2),g=Math.min(b.y2,c.y2);return a({left:d,top:e,width:f-d,height:g-e}).coords().get()},g.calculate_overlapped_area=function(a){return a.width*a.height},g.manage_colliders_start_stop=function(b,c,d){var e=this.last_colliders_coords;for(var f=0,g=e.length;f<g;f++)a.inArray(e[f],b)===-1&&c.call(this,e[f]);for(var h=0,i=b.length;h<i;h++)a.inArray(b[h],e)===-1&&d.call(this,b[h])},g.find_collisions=function(b){var c=this,d=[],e=[],f=this.colliders||this.$colliders,g=f.length,h=c.$element.coords().update(b||!1).get();while(g--){var i=c.$colliders?a(f[g]):f[g],j=i.isCoords?i:i.coords(),k=j.get(),l=c.overlaps(h,k);if(!l)continue;var m=c.detect_overlapping_region(h,k);if(m==="C"){var n=c.calculate_overlapped_area_coords(h,k),o=c.calculate_overlapped_area(n),p={area:o,area_coords:n,region:m,coords:k,player_coords:h,el:i};c.options.on_overlap&&c.options.on_overlap.call(this,p),d.push(j),e.push(p)}}return(c.options.on_overlap_stop||c.options.on_overlap_start)&&this.manage_colliders_start_stop(d,c.options.on_overlap_stop,c.options.on_overlap_start),this.last_colliders_coords=d,e},g.get_closest_colliders=function(a){var b=this.find_collisions(a),c=100;return b.sort(function(a,b){return a.area<=c?1:a.region==="C"&&b.region==="C"?a.coords.y1<b.coords.y1||a.coords.x1<b.coords.x1?-1:1:a.area<b.area?1:1}),b},a.fn.collision=function(a,b){return new f(this,a,b)}}(jQuery,window,document),function(a,b){a.debounce=function(a,b,c){var d;return function(){var e=this,f=arguments,g=function(){d=null,c||a.apply(e,f)};c&&!d&&a.apply(e,f),clearTimeout(d),d=setTimeout(g,b)}},a.throttle=function(a,b){var c,d,e,f,g,h,i=debounce(function(){g=f=!1},b);return function(){c=this,d=arguments;var 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e>c.options.distance||f>c.options.distance?d?(d=!1,c.on_dragstart.call(c,a),!1):(c.is_dragging==!0&&throttle(c.on_dragmove.call(c,a),130),!1):!1}),!1},h.on_dragstart=function(a){return a.preventDefault(),this.drag_start=!0,this.is_dragging=!0,this.$container_offset=this.$container.offset(),this.options.helper==="clone"?(this.$helper=this.$player.clone().appendTo(this.$container).addClass("helper"),this.helper=!0):this.helper=!1,this.el_init_offset=this.$player.offset(),this.player_width=this.$player.width(),this.player_max_left=this.$container.width()-this.player_width+this.options.offset_left,this.options.start&&this.options.start.call(this.$player,a,{helper:this.helper?this.$helper:this.$player}),!1},h.get_offset=function(a){a.preventDefault();var b=this.get_mouse_pos(a),c=b.left-this.mouse_init_pos.left,d=b.top-this.mouse_init_pos.top,e=this.el_init_offset.left+c-this.$container_offset.left,f=this.el_init_offset.top+d-this.$container_offset.top;return this.options.limit&&(e>this.player_max_left?e=this.player_max_left:e<this.player_min_left&&(e=this.player_min_left)),{left:e,top:f}},h.on_dragmove=function(a){var b=this.get_offset(a);(this.helper?this.$helper:this.$player).css({position:"absolute",left:b.left,top:b.top});var c={position:{left:b.left,top:b.top}};return this.options.drag&&this.options.drag.call(this.$player,a,c),!1},h.on_dragstop=function(a){var b=this.get_offset(a);this.drag_start=!1;var c={position:{left:b.left,top:b.top}};return this.options.stop&&this.options.stop.call(this.$player,a,c),this.helper&&this.$helper.remove(),!1},h.enable=function(){this.$container.on("mousedown.draggable",this.options.items,a.proxy(this.drag_handler,this)),f.on("mouseup.draggable",a.proxy(function(a){this.is_dragging=!1,f.off("mousemove.draggable"),this.drag_start&&this.on_dragstop(a)},this))},h.disable=function(){this.$container.off("mousedown.draggable"),f.off("mouseup.draggable")},h.destroy=function(){this.disable(),a.removeData(this.$container,"draggable")},a.fn.draggable=function(b){return this.each(function(){a.data(this,"draggable")||a.data(this,"draggable",new g(this,b))})}}(jQuery,window,document),function(a,b,c,d){function f(b,c){this.options=a.extend(!0,e,c),this.$el=a(b),this.$wrapper=this.$el.parent(),this.$widgets=a(this.options.widget_selector,this.$el).addClass("gs_w"),this.widgets=[],this.$changed=a([]),this.wrapper_width=this.$wrapper.width(),this.min_widget_width=this.options.widget_margins[0]*2+this.options.widget_base_dimensions[0],this.min_widget_height=this.options.widget_margins[1]*2+this.options.widget_base_dimensions[1],this.init()}var e={widget_selector:"> li",widget_margins:[10,10],widget_base_dimensions:[400,225],extra_rows:0,extra_cols:0,min_cols:1,min_rows:15,autogenerate_stylesheet:!0,avoid_overlapped_widgets:!0,serialize_params:function(a,b){return{col:b.col,row:b.row}},collision:{},draggable:{distance:4}};f.generated_stylesheets=[];var g=f.prototype;g.init=function(){this.generate_grid_and_stylesheet(),this.get_widgets_from_DOM(),this.set_dom_grid_height(),this.$wrapper.addClass("ready"),this.draggable(),a(b).bind("resize",throttle(a.proxy(this.recalculate_faux_grid,this),200))},g.disable=function(){return this.$wrapper.find(".player-revert").removeClass("player-revert"),this.drag_api.disable(),this},g.enable=function(){return this.drag_api.enable(),this},g.add_widget=function(b,c,d){var e=this.next_position(c,d),f=a(b).attr({"data-col":e.col,"data-row":e.row,"data-sizex":e.size_x,"data-sizey":e.size_y}).addClass("gs_w").appendTo(this.$el).hide();return this.$widgets=this.$widgets.add(f),this.register_widget(f),this.set_dom_grid_height(),f.fadeIn()},g.next_position=function(a,b){a||(a=1),b||(b=1);var c=this.gridmap,d=c.length,e=[];for(var f=1;f<d;f++){var g=c[f].length;for(var h=1;h<=g;h++){var i=this.can_move_to({size_x:a,size_y:b},f,h);i&&e.push({col:f,row:h,size_y:b,size_x:a})}}return e.length?this.sort_by_row_and_col_asc(e)[0]:!1},g.remove_widget=function(b,c){var d=b instanceof jQuery?b:a(b),e=d.coords().grid;this.cells_occupied_by_placeholder={},this.$widgets=this.$widgets.not(d);var f=this.widgets_below(d);this.remove_from_gridmap(e),d.fadeOut(a.proxy(function(){d.remove(),f.each(a.proxy(function(b,c){this.move_widget_up(a(c),e.size_y)},this)),c&&c.apply(this,b)},this))},g.serialize=function(b){b||(b=this.$widgets);var c=[];return b.each(a.proxy(function(b,d){c.push(this.options.serialize_params(a(d),a(d).coords().grid))},this)),c},g.serialize_changed=function(){return this.serialize(this.$changed)},g.register_widget=function(a){var b={col:parseInt(a.attr("data-col"),10),row:parseInt(a.attr("data-row"),10),size_x:parseInt(a.attr("data-sizex"),10),size_y:parseInt(a.attr("data-sizey"),10),el:a};return this.options.avoid_overlapped_widgets&&!this.can_move_to({size_x:b.size_x,size_y:b.size_y},b.col,b.row)&&(b=this.next_position(b.size_x,b.size_y),b.el=a,a.attr({"data-col":b.col,"data-row":b.row,"data-sizex":b.size_x,"data-sizey":b.size_y})),a.data("coords",a.coords()),a.data("coords").grid=b,this.add_to_gridmap(b,a),this.widgets.push(a),this},g.update_widget_position=function(a,b){return this.for_each_cell_occupied(a,function(a,c){if(!this.gridmap[a])return this;this.gridmap[a][c]=b}),this},g.remove_from_gridmap=function(a){return this.update_widget_position(a,!1)},g.add_to_gridmap=function(b,c){this.update_widget_position(b,c||b.el);if(b.el){var d=this.widgets_below(b.el);d.each(a.proxy(function(b,c){this.move_widget_up(a(c))},this))}},g.draggable=function(){var b=this,c=a.extend(!0,{},this.options.draggable,{offset_left:this.options.widget_margins[0],items:".gs_w",start:function(c,d){b.$widgets.filter(".player-revert").removeClass("player-revert"),b.$player=a(this),b.$helper=b.options.draggable.helper==="clone"?a(d.helper):b.$player,b.helper=!b.$helper.is(b.$player),b.on_start_drag.call(b,c,d),b.$el.trigger("gridster:dragstart")},stop:function(a,c){b.on_stop_drag.call(b,a,c),b.$el.trigger("gridster:dragstop")},drag:function(a,c){b.on_drag.call(b,a,c),b.$el.trigger("gridster:drag")}});return this.drag_api=this.$el.draggable(c).data("draggable"),this},g.on_start_drag=function(b,c){this.$helper.add(this.$player).add(this.$wrapper).addClass("dragging"),this.$player.addClass("player"),this.player_grid_data=this.$player.coords().grid,this.placeholder_grid_data=a.extend({},this.player_grid_data),this.$el.css("height",this.$el.height()+this.player_grid_data.size_y*this.min_widget_height);var d=this.faux_grid,e=this.$player.data("coords").coords;this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data),this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.last_cols=[],this.last_rows=[],this.collision_api=this.$helper.collision(d,this.options.collision),this.$preview_holder=a("<li />",{"class":"preview-holder","data-row":this.$player.attr("data-row"),"data-col":this.$player.attr("data-col"),css:{width:e.width,height:e.height}}).appendTo(this.$el),this.options.draggable.start&&this.options.draggable.start.call(this,b,c)},g.on_drag=function(a,b){var c={left:b.position.left+this.baseX,top:b.position.top+this.baseY};this.colliders_data=this.collision_api.get_closest_colliders(c),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.helper&&this.$player&&this.$player.css({left:b.position.left,top:b.position.top}),this.options.draggable.drag&&this.options.draggable.drag.call(this,a,b)},g.on_stop_drag=function(a,b){this.$helper.add(this.$player).add(this.$wrapper).removeClass("dragging"),b.position.left=b.position.left+this.baseX,b.position.top=b.position.top+this.baseY,this.colliders_data=this.collision_api.get_closest_colliders(b.position),this.on_overlapped_column_change(this.on_start_overlapping_column,this.on_stop_overlapping_column),this.on_overlapped_row_change(this.on_start_overlapping_row,this.on_stop_overlapping_row),this.$player.addClass("player-revert").removeClass("player").attr({"data-col":this.placeholder_grid_data.col,"data-row":this.placeholder_grid_data.row}).css({left:"",top:""}),this.$changed=this.$changed.add(this.$player),this.cells_occupied_by_player=this.get_cells_occupied(this.placeholder_grid_data),this.set_cells_player_occupies(this.placeholder_grid_data.col,this.placeholder_grid_data.row),this.$player.coords().grid.row=this.placeholder_grid_data.row,this.$player.coords().grid.col=this.placeholder_grid_data.col,this.$player=null,this.$preview_holder.remove(),this.set_dom_grid_height(),this.options.draggable.stop&&this.options.draggable.stop.call(this,a,b)},g.on_overlapped_column_change=function(b,c){if(!this.colliders_data.length)return;var d=this.get_targeted_columns(this.colliders_data[0].el.data.col),e=this.last_cols.length,f=d.length,g;for(g=0;g<f;g++)a.inArray(d[g],this.last_cols)===-1&&(b||a.noop).call(this,d[g]);for(g=0;g<e;g++)a.inArray(this.last_cols[g],d)===-1&&(c||a.noop).call(this,this.last_cols[g]);return this.last_cols=d,this},g.on_overlapped_row_change=function(b,c){if(!this.colliders_data.length)return;var d=this.get_targeted_rows(this.colliders_data[0].el.data.row),e=this.last_rows.length,f=d.length,g;for(g=0;g<f;g++)a.inArray(d[g],this.last_rows)===-1&&(b||a.noop).call(this,d[g]);for(g=0;g<e;g++)a.inArray(this.last_rows[g],d)===-1&&(c||a.noop).call(this,this.last_rows[g]);this.last_rows=d},g.set_player=function(a,b){this.empty_cells_player_occupies();var c=this,d=c.colliders_data[0].el.data,e=d.col,f=b||d.row;this.player_grid_data={col:e,row:f,size_y:this.player_grid_data.size_y,size_x:this.player_grid_data.size_x},this.cells_occupied_by_player=this.get_cells_occupied(this.player_grid_data);var g=this.get_widgets_overlapped(this.player_grid_data),h=this.widgets_constraints(g);this.manage_movements(h.can_go_up,e,f),this.manage_movements(h.can_not_go_up,e,f);if(!g.length){var i=this.can_go_player_up(this.player_grid_data);i!==!1&&(f=i),this.set_placeholder(e,f)}return{col:e,row:f}},g.widgets_constraints=function(b){var c=a([]),d,e=[],f=[];return b.each(a.proxy(function(b,d){var g=a(d),h=g.coords().grid;this.can_go_widget_up(h)?(c=c.add(g),e.push(h)):f.push(h)},this)),d=b.not(c),{can_go_up:this.sort_by_row_asc(e),can_not_go_up:this.sort_by_row_desc(f)}},g.sort_by_row_asc=function(a){return a=a.sort(function(a,b){return a.row>b.row?1:-1}),a},g.sort_by_row_and_col_asc=function(a){return a=a.sort(function(a,b){return a.row>b.row||a.row==b.row&&a.col>b.col?1:-1}),a},g.sort_by_col_asc=function(a){return a=a.sort(function(a,b){return a.col>b.col?1:-1}),a},g.sort_by_row_desc=function(a){return a=a.sort(function(a,b){return a.row+a.size_y<b.row+b.size_y?1:-1}),a},g.manage_movements=function(b,c,d){return a.each(b,a.proxy(function(a,b){var e=b,f=e.el,g=this.can_go_widget_up(e);if(g)this.move_widget_to(f,g),this.set_placeholder(c,g+e.size_y);else{var h=this.can_go_player_up(this.player_grid_data);if(!h){var i=d+this.player_grid_data.size_y-e.row;this.move_widget_down(f,i),this.set_placeholder(c,d)}}},this)),this},g.is_player=function(a,b){if(b&&!this.gridmap[a])return!1;var c=b?this.gridmap[a][b]:a;return c&&(c.is(this.$player)||c.is(this.$helper))},g.is_player_in=function(b,c){var d=this.cells_occupied_by_player;return a.inArray(b,d.cols)>=0&&a.inArray(c,d.rows)>=0},g.is_placeholder_in=function(b,c){var d=this.cells_occupied_by_placeholder||{};return this.is_placeholder_in_col(b)&&a.inArray(c,d.rows)>=0},g.is_placeholder_in_col=function(b){var c=this.cells_occupied_by_placeholder||[];return a.inArray(b,c.cols)>=0},g.is_empty=function(a,b){return typeof this.gridmap[a]!="undefined"&&typeof this.gridmap[a][b]!="undefined"&&this.gridmap[a][b]===!1?!0:!1},g.is_occupied=function(a,b){return this.gridmap[a]?this.gridmap[a][b]?!0:!1:!1},g.is_widget=function(a,b){var c=this.gridmap[a];return c?(c=c[b],c?c:!1):!1},g.is_widget_under_player=function(a,b){return this.is_widget(a,b)?this.is_player_in(a,b):!1},g.get_widgets_under_player=function(){var b=this.cells_occupied_by_player,c=a([]);return a.each(b.cols,a.proxy(function(d,e){a.each(b.rows,a.proxy(function(a,b){this.is_widget(e,b)&&(c=c.add(this.gridmap[e][b]))},this))},this)),c},g.set_placeholder=function(b,c){var d=a.extend({},this.placeholder_grid_data),e=this.widgets_below({col:d.col,row:d.row,size_y:d.size_y,size_x:d.size_x}),f=b+d.size_x-1;f>this.cols&&(b=b-(f-b));var g=this.placeholder_grid_data.row<c,h=this.placeholder_grid_data.col!==b;this.placeholder_grid_data.col=b,this.placeholder_grid_data.row=c,this.cells_occupied_by_placeholder=this.get_cells_occupied(this.placeholder_grid_data),this.$preview_holder.attr({"data-row":c,"data-col":b}),(g||h)&&e.each(a.proxy(function(c,e){this.move_widget_up(a(e),this.placeholder_grid_data.col-b+d.size_y)},this))},g.can_go_player_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4,f=this.get_widgets_under_player();return this.for_each_column_occupied(a,function(a){var g=this.gridmap[a],h=b+1;d[a]=[];while(--h>0)if(this.is_empty(a,h)||this.is_player(a,h)||this.is_widget(a,h)&&g[h].is(f))d[a].push(h),e=h<e?h:e;else break;if(d[a].length===0)return c=!1,!0;d[a].sort()}),c?this.get_valid_rows(a,d,e):!1},g.can_go_widget_up=function(a){var b=a.row+a.size_y-1,c=!0,d=[],e=1e4;return this.for_each_column_occupied(a,function(a){var f=this.gridmap[a];d[a]=[];var g=b+1;while(--g>0){if(this.is_occupied(a,g)&&!this.is_player(a,g))break;!this.is_player(a,g)&&!this.is_placeholder_in(a,g)&&d[a].push(g),g<e&&(e=g)}if(d[a].length===0)return c=!1,!0;d[a].sort()}),c?this.get_valid_rows(a,d,e):!1},g.get_valid_rows=function(b,c,d){var e=b.row,f=b.row+b.size_y-1,g=b.size_y,h=d-1,i=[];while(++h<=f){var j=!0;a.each(c,function(b,c){c&&a.inArray(h,c)===-1&&(j=!1)});if(j===!0){i.push(h);if(i.length===g)break}}var k=!1;return g===1?i[0]!==e&&(k=i[0]||!1):i[0]!==e&&(k=this.get_consecutive_numbers_index(i,g)),k},g.get_consecutive_numbers_index=function(a,b){var c=a.length,d=[],e=!0,f=-1;for(var g=0;g<c;g++){if(e||a[g]===f+1){d.push(g);if(d.length===b)break;e=!1}else d=[],e=!0;f=a[g]}return d.length>=b?a[d[0]]:!1},g.get_widgets_overlapped=function(){var b,c=a([]),d=[],e=this.cells_occupied_by_player.rows.slice(0);return e.reverse(),a.each(this.cells_occupied_by_player.cols,a.proxy(function(b,f){a.each(e,a.proxy(function(b,e){if(!this.gridmap[f])return!0;var g=this.gridmap[f][e];this.is_occupied(f,e)&&!this.is_player(g)&&a.inArray(g,d)===-1&&(c=c.add(g),d.push(g))},this))},this)),c},g.on_start_overlapping_column=function(a){this.set_player(a,!1)},g.on_start_overlapping_row=function(a){this.set_player(!1,a)},g.on_stop_overlapping_column=function(a){this.set_player();var b=this;this.for_each_widget_below(a,this.cells_occupied_by_player.rows[0],function(a,c){b.move_widget_up(this,b.player_grid_data.size_y)})},g.on_stop_overlapping_row=function(a){this.set_player();var b=this,c=this.cells_occupied_by_player.cols;for(var d=0,e=c.length;d<e;d++)this.for_each_widget_below(c[d],a,function(a,c){b.move_widget_up(this,b.player_grid_data.size_y)})},g.move_widget_to=function(b,c){var d=this,e=b.coords().grid,f=c-e.row,g=this.widgets_below(b),h=this.can_move_to(e,e.col,c,b);return h===!1?!1:(this.remove_from_gridmap(e),e.row=c,this.add_to_gridmap(e),b.attr("data-row",c),this.$changed=this.$changed.add(b),g.each(function(b,c){var e=a(c),f=e.coords().grid,g=d.can_go_widget_up(f);g&&g!==f.row&&d.move_widget_to(e,g)}),this)},g.move_widget_up=function(b,c){var d=b.coords().grid,e=d.row,f=[],g=!0;c||(c=1);if(!this.can_go_up(b))return!1;this.for_each_column_occupied(d,function(d){if(a.inArray(b,f)===-1){var g=b.coords().grid,h=e-c;h=this.can_go_up_to_row(g,d,h);if(!h)return!0;var i=this.widgets_below(b);this.remove_from_gridmap(g),g.row=h,this.add_to_gridmap(g),b.attr("data-row",g.row),this.$changed=this.$changed.add(b),f.push(b),i.each(a.proxy(function(b,d){this.move_widget_up(a(d),c)},this))}})},g.move_widget_down=function(b,c){var d=b.coords().grid,e=d.row,f=[],g=c;if(!b)return!1;if(a.inArray(b,f)===-1){var h=b.coords().grid,i=e+c,j=this.widgets_below(b);this.remove_from_gridmap(h),j.each(a.proxy(function(b,c){var d=a(c),e=d.coords().grid,f=this.displacement_diff(e,h,g);f>0&&this.move_widget_down(d,f)},this)),h.row=i,this.update_widget_position(h,b),b.attr("data-row",h.row),this.$changed=this.$changed.add(b),f.push(b)}},g.can_go_up_to_row=function(b,c,d){var e=this.gridmap,f=!0,g=[],h=b.row,i;this.for_each_column_occupied(b,function(a){var b=e[a];g[a]=[],i=h;while(i--)if(this.is_empty(a,i)&&!this.is_placeholder_in(a,i))g[a].push(i);else break;if(!g[a].length)return f=!1,!0});if(!f)return!1;i=d;for(i=1;i<h;i++){var j=!0;for(var k=0,l=g.length;k<l;k++)g[k]&&a.inArray(i,g[k])===-1&&(j=!1);if(j===!0){f=i;break}}return f},g.displacement_diff=function(a,b,c){var d=a.row,e=[],f=b.row+b.size_y;this.for_each_column_occupied(a,function(a){var b=0;for(var c=f;c<d;c++)this.is_empty(a,c)&&(b=b+1);e.push(b)});var g=Math.max.apply(null,e);return c=c-g,c>0?c:0},g.widgets_below=function(b){var c=a.isPlainObject(b)?b:b.coords().grid,d=this,e=this.gridmap,f=c.row+c.size_y-1,g=a([]);return this.for_each_column_occupied(c,function(b){d.for_each_widget_below(b,f,function(b,c){if(!d.is_player(this)&&a.inArray(this,g)===-1)return g=g.add(this),!0})}),this.sort_by_row_asc(g)},g.set_cells_player_occupies=function(a,b){return this.remove_from_gridmap(this.placeholder_grid_data),this.placeholder_grid_data.col=a,this.placeholder_grid_data.row=b,this.add_to_gridmap(this.placeholder_grid_data,this.$player),this},g.empty_cells_player_occupies=function(){return this.remove_from_gridmap(this.placeholder_grid_data),this},g.can_go_up=function(a){var b=a.coords().grid,c=b.row,d=c-1,e=this.gridmap,f=[],g=!0;return c===1?!1:(this.for_each_column_occupied(b,function(a){var b=this.is_widget(a,d);if(this.is_occupied(a,d)||this.is_player(a,d)||this.is_placeholder_in(a,d))return g=!1,!0}),g)},g.can_move_to=function(a,b,c){var d=this.gridmap,e=a.el,f={size_y:a.size_y,size_x:a.size_x,col:b,row:c},g=!0,h=b+a.size_x-1;return h>this.cols?!1:(this.for_each_cell_occupied(f,function(b,c){var d=this.is_widget(b,c);d&&(!a.el||d.is(e))&&(g=!1)}),g)},g.get_targeted_columns=function(a){var b=(a||this.player_grid_data.col)+(this.player_grid_data.size_x-1),c=[];for(var d=a;d<=b;d++)c.push(d);return c},g.get_targeted_rows=function(a){var b=(a||this.player_grid_data.row)+(this.player_grid_data.size_y-1),c=[];for(var d=a;d<=b;d++)c.push(d);return c},g.get_cells_occupied=function(a){var b={cols:[],rows:[]},c;arguments[1]instanceof jQuery&&(a=arguments[1].coords().grid);for(c=0;c<a.size_x;c++){var d=a.col+c;b.cols.push(d)}for(c=0;c<a.size_y;c++){var e=a.row+c;b.rows.push(e)}return b},g.for_each_cell_occupied=function(a,b){return this.for_each_column_occupied(a,function(c){this.for_each_row_occupied(a,function(a){b.call(this,c,a)})}),this},g.for_each_column_occupied=function(a,b){for(var c=0;c<a.size_x;c++){var d=a.col+c;b.call(this,d,a)}},g.for_each_row_occupied=function(a,b){for(var c=0;c<a.size_y;c++){var d=a.row+c;b.call(this,d,a)}},g._traversing_widgets=function(b,c,d,e,f){var g=this.gridmap;if(!g[d])return;var h,i,j=b+"/"+c;if(arguments[2]instanceof jQuery){var k=arguments[2].coords().grid;d=k.col,e=k.row,f=arguments[3]}var l=[],m=e,n={"for_each/above":function(){while(m--)if(m>0&&this.is_widget(d,m)&&a.inArray(g[d][m],l)===-1){h=f.call(g[d][m],d,m),l.push(g[d][m]);if(h)break}},"for_each/below":function(){for(m=e+1,i=g[d].length;m<i;m++)if(this.is_widget(d,m)&&a.inArray(g[d][m],l)===-1){h=f.call(g[d][m],d,m),l.push(g[d][m]);if(h)break}}};n[j]&&n[j].call(this)},g.for_each_widget_above=function(a,b,c){return this._traversing_widgets("for_each","above",a,b,c),this},g.for_each_widget_below=function(a,b,c){return this._traversing_widgets("for_each","below",a,b,c),this},g.get_highest_occupied_cell=function(){var a,b=this.gridmap,c=[],d=[];for(var e=b.length-1;e>=1;e--)for(a=b[e].length-1;a>=1;a--)if(this.is_widget(e,a)){c.push(a),d[a]=e;break}var f=Math.max.apply(null,c);return this.highest_occupied_cell={col:d[f],row:f},this.highest_occupied_cell},g.get_widgets_from=function(b,c){var d=this.gridmap,e=a();return b&&(e=e.add(this.$widgets.filter(function(){var c=a(this).attr("data-col");return c===b||c>b}))),c&&(e=e.add(this.$widgets.filter(function(){var b=a(this).attr("data-row");return b===c||b>c}))),e},g.set_dom_grid_height=function(){var a=this.get_highest_occupied_cell().row;return this.$el.css("height",a*this.min_widget_height),this},g.generate_stylesheet=function(b){var c="",d=10,e=6,g=6,h,i;b||(b={}),b.cols||(b.cols=this.cols),b.rows||(b.rows=this.rows),b.namespace||(b.namespace=""),b.widget_base_dimensions||(b.widget_base_dimensions=this.options.widget_base_dimensions),b.widget_margins||(b.widget_margins=this.options.widget_margins),b.min_widget_width=b.widget_margins[0]*2+b.widget_base_dimensions[0],b.min_widget_height=b.widget_margins[1]*2+b.widget_base_dimensions[1];var j=a.param(b);if(a.inArray(j,f.generated_stylesheets)>=0)return!1;f.generated_stylesheets.push(j);for(h=b.cols+d;h>=0;h--)c+=b.namespace+' [data-col="'+(h+1)+'"] { left:'+(h*b.widget_base_dimensions[0]+h*b.widget_margins[0]+(h+1)*b.widget_margins[0])+"px;} ";for(h=b.rows+d;h>=0;h--)c+=b.namespace+' [data-row="'+(h+1)+'"] { top:'+(h*b.widget_base_dimensions[1]+h*b.widget_margins[1]+(h+1)*b.widget_margins[1])+"px;} ";for(var k=1;k<e;k++)c+=b.namespace+' [data-sizey="'+k+'"] { height:'+(k*b.widget_base_dimensions[1]+(k-1)*b.widget_margins[1]*2)+"px;}";for(var l=1;l<g;l++)c+=b.namespace+' [data-sizex="'+l+'"] { width:'+(l*b.widget_base_dimensions[0]+(l-1)*b.widget_margins[0]*2)+"px;}";return this.add_style_tag(c)},g.add_style_tag=function(a){var b=c,d=b.createElement("style");return b.getElementsByTagName("head")[0].appendChild(d),d.setAttribute("type","text/css"),d.styleSheet?d.styleSheet.cssText=a:d.appendChild(c.createTextNode(a)),this},g.generate_faux_grid=function(b,c){this.faux_grid=[],this.gridmap=[];var d,e;for(d=c;d>0;d--){this.gridmap[d]=[];for(e=b;e>0;e--){var f=a({left:this.baseX+(d-1)*this.min_widget_width,top:this.baseY+(e-1)*this.min_widget_height,width:this.min_widget_width,height:this.min_widget_height,col:d,row:e,original_col:d,original_row:e}).coords();this.gridmap[d][e]=!1,this.faux_grid.push(f)}}return this},g.recalculate_faux_grid=function(){var c=this.$wrapper.width();return this.baseX=(a(b).width()-c)/2,this.baseY=this.$wrapper.offset().top,a.each(this.faux_grid,a.proxy(function(a,b){this.faux_grid[a]=b.update({left:this.baseX+(b.data.col-1)*this.min_widget_width,top:this.baseY+(b.data.row-1)*this.min_widget_height})},this)),this},g.get_widgets_from_DOM=function(){return this.$widgets.each(a.proxy(function(b,c){this.register_widget(a(c))},this)),this},g.generate_grid_and_stylesheet=function(){var c=this.$wrapper.width(),d=this.$wrapper.height(),e=Math.floor(c/this.min_widget_width)+this.options.extra_cols,f=Math.floor(d/this.min_widget_height)+this.options.extra_rows,g=this.$widgets.map(function(){return a(this).attr("data-col")}),h=this.$widgets.map(function(){return a(this).attr("data-row")}),i=Math.max.apply(null,g),j=Math.max.apply(null,h);return this.cols=Math.max(i,e,this.options.min_cols),this.rows=Math.max(j,f,this.options.min_rows),this.baseX=(a(b).width()-c)/2,this.baseY=this.$wrapper.offset().top,this.options.autogenerate_stylesheet&&this.generate_stylesheet(),this.generate_faux_grid(this.rows,this.cols)},a.fn.gridster=function(b){return this.each(function(){a(this).data("gridster")||a(this).data("gridster",new f(this,b))})}}(jQuery,window,document);
\ No newline at end of file
diff --git a/docs/classes/Gridster.html b/docs/classes/Gridster.html
index 351ad30790..51266028a4 100644
--- a/docs/classes/Gridster.html
+++ b/docs/classes/Gridster.html
@@ -868,14 +868,14 @@
                             </li>
                         
                             <li class="index-item method">
-                                <a href="#method_sort_by_row_asc">sort_by_row_asc</a>
+                                <a href="#method_sort_by_col_asc">sort_by_col_asc</a>
 
                                 
                                 
                             </li>
                         
                             <li class="index-item method">
-                                <a href="#method_sort_by_row_asc">sort_by_row_asc</a>
+                                <a href="#method_sort_by_row_and_col_asc">sort_by_row_and_col_asc</a>
 
                                 
                                 
@@ -7454,113 +7454,8 @@ mapped array of positions.</p>
 </div>
 
                 
-                    <div id="method_sort_by_row_asc" class="method item">
-    <h3 class="name"><code>sort_by_row_asc</code></h3>
-
-    
-        <div class="args">
-            <span class="paren">(</span><ul class="args-list inline commas">
-            
-                <li class="arg">
-                    
-                        <code>widgets</code>
-                    
-                </li>
-            
-            </ul><span class="paren">)</span>
-        </div>
-    
-
-    
-        <span class="returns-inline">
-            <span class="type">Array</span>
-        </span>
-    
-
-    
-
-    
-
-    
-
-    
-
-    
-
-    
-
-    <div class="meta">
-        
-            
-                
-                <p>
-                
-                Defined in
-                
-            
-        
-        
-        <a href="..&#x2F;files&#x2F;src_jquery.gridster.js.html#l720"><code>src&#x2F;jquery.gridster.js:720</code></a>
-        
-        </p>
-
-
-        
-
-        
-    </div>
-
-    <div class="description">
-        <p>Sorts an Array of grid coords objects (representing the grid coords of
-each widget) in ascending way.</p>
-    </div>
-
-    
-        <div class="params">
-            <h4>Parameters:</h4>
-
-            <ul class="params-list">
-            
-                <li class="param">
-                    
-                        <code class="param-name">widgets</code>
-                        <span class="type">Array</span>
-                    
-
-                    
-
-                    <div class="param-description">
-                        <p>Array of grid coords objects</p>
-                    </div>
-
-                    
-                </li>
-            
-            </ul>
-        </div>
-    
-
-    
-        <div class="returns">
-            <h4>Returns:</h4>
-
-            <div class="returns-description">
-                
-                    
-                        <span class="type">Array</span>:
-                    
-                    Returns the array sorted.
-                
-            </div>
-        </div>
-    
-
-    
-</div>
-
-                
-                    <div id="method_sort_by_row_asc" class="method item">
-    <h3 class="name"><code>sort_by_row_asc</code></h3>
+                    <div id="method_sort_by_col_asc" class="method item">
+    <h3 class="name"><code>sort_by_col_asc</code></h3>
 
     
         <div class="args">
@@ -7664,8 +7559,8 @@ coords of each widget) in ascending way.</p>
 </div>
 
                 
-                    <div id="method_sort_by_row_asc" class="method item">
-    <h3 class="name"><code>sort_by_row_asc</code></h3>
+                    <div id="method_sort_by_row_and_col_asc" class="method item">
+    <h3 class="name"><code>sort_by_row_and_col_asc</code></h3>
 
     
         <div class="args">
@@ -7766,6 +7661,111 @@ each widget) placing first the empty cells upper left.</p>
     
 
     
+</div>
+
+                
+                    <div id="method_sort_by_row_asc" class="method item">
+    <h3 class="name"><code>sort_by_row_asc</code></h3>
+
+    
+        <div class="args">
+            <span class="paren">(</span><ul class="args-list inline commas">
+            
+                <li class="arg">
+                    
+                        <code>widgets</code>
+                    
+                </li>
+            
+            </ul><span class="paren">)</span>
+        </div>
+    
+
+    
+        <span class="returns-inline">
+            <span class="type">Array</span>
+        </span>
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    <div class="meta">
+        
+            
+                
+                <p>
+                
+                Defined in
+                
+            
+        
+        
+        <a href="..&#x2F;files&#x2F;src_jquery.gridster.js.html#l720"><code>src&#x2F;jquery.gridster.js:720</code></a>
+        
+        </p>
+
+
+        
+
+        
+    </div>
+
+    <div class="description">
+        <p>Sorts an Array of grid coords objects (representing the grid coords of
+each widget) in ascending way.</p>
+    </div>
+
+    
+        <div class="params">
+            <h4>Parameters:</h4>
+
+            <ul class="params-list">
+            
+                <li class="param">
+                    
+                        <code class="param-name">widgets</code>
+                        <span class="type">Array</span>
+                    
+
+                    
+
+                    <div class="param-description">
+                        <p>Array of grid coords objects</p>
+                    </div>
+
+                    
+                </li>
+            
+            </ul>
+        </div>
+    
+
+    
+        <div class="returns">
+            <h4>Returns:</h4>
+
+            <div class="returns-description">
+                
+                    
+                        <span class="type">Array</span>:
+                    
+                    Returns the array sorted.
+                
+            </div>
+        </div>
+    
+
+    
 </div>
 
                 
diff --git a/docs/data.json b/docs/data.json
index 59202ebe88..80b2721731 100644
--- a/docs/data.json
+++ b/docs/data.json
@@ -704,7 +704,7 @@
             "line": 740,
             "description": "Sorts an Array of grid coords objects (representing the grid coords of\neach widget) placing first the empty cells upper left.",
             "itemtype": "method",
-            "name": "sort_by_row_asc",
+            "name": "sort_by_row_and_col_asc",
             "params": [
                 {
                     "name": "widgets",
@@ -723,7 +723,7 @@
             "line": 760,
             "description": "Sorts an Array of grid coords objects by column (representing the grid\ncoords of each widget) in ascending way.",
             "itemtype": "method",
-            "name": "sort_by_row_asc",
+            "name": "sort_by_col_asc",
             "params": [
                 {
                     "name": "widgets",
diff --git a/docs/files/src_jquery.coords.js.html b/docs/files/src_jquery.coords.js.html
index ef71a741f0..d9957d937e 100644
--- a/docs/files/src_jquery.coords.js.html
+++ b/docs/files/src_jquery.coords.js.html
@@ -141,10 +141,10 @@
         var el = this.el;
 
         if (el &amp;&amp; !update) {
-            this.data = {} || el.offset();
+            this.data = el.offset();
             this.data.width = el.width();
             this.data.height = el.height();
-        };
+        }
 
         if (el &amp;&amp; update &amp;&amp; !not_update_offsets) {
             var offset = el.offset();
diff --git a/docs/files/src_jquery.draggable.js.html b/docs/files/src_jquery.draggable.js.html
index ada2dff3fb..c43dc5817e 100644
--- a/docs/files/src_jquery.draggable.js.html
+++ b/docs/files/src_jquery.draggable.js.html
@@ -150,7 +150,7 @@
       this.player_min_left = 0 + this.options.offset_left;
 
       this.init();
-    };
+    }
 
     var fn = Draggable.prototype;
 
@@ -177,7 +177,7 @@
     fn.drag_handler = function(e) {
         if (e.which !== 1) {
             return false;
-        };
+        }
 
         var self = this;
         var first = true;
@@ -203,7 +203,7 @@
 
             if (self.is_dragging == true) {
                 throttle(self.on_dragmove.call(self, mme), 130);
-            };
+            }
 
             return false;
 
@@ -231,7 +231,7 @@
             this.options.start.call(this.$player, e, {
                 helper: this.helper ? this.$helper : this.$player
             });
-        };
+        }
         return false;
     };
 
@@ -251,12 +251,12 @@
             }else if(left &lt; this.player_min_left) {
                 left = this.player_min_left;
             }
-        };
+        }
 
         return {
             left: left,
             top: top
-        }
+        };
     };
 
 
@@ -293,7 +293,7 @@
                 &#x27;left&#x27;: offset.left,
                 &#x27;top&#x27;: offset.top
             }
-        }
+        };
 
         if (this.options.stop) {
             this.options.stop.call(this.$player, e, ui);
diff --git a/docs/files/src_jquery.gridster.js.html b/docs/files/src_jquery.gridster.js.html
index 4f6b54bcd0..3001318942 100644
--- a/docs/files/src_jquery.gridster.js.html
+++ b/docs/files/src_jquery.gridster.js.html
@@ -210,7 +210,7 @@
         this.$wrapper.find(&#x27;.player-revert&#x27;).removeClass(&#x27;player-revert&#x27;);
         this.drag_api.disable();
         return this;
-    }
+    };
 
 
     &#x2F;**
@@ -222,7 +222,7 @@
     fn.enable = function() {
         this.drag_api.enable();
         return this;
-    }
+    };
 
 
     &#x2F;**
@@ -324,7 +324,7 @@
 
             if (callback) {
                 callback.apply(this, el);
-            };
+            }
         }, this));
     };
 
@@ -393,7 +393,7 @@
                 &#x27;data-sizex&#x27;: wgd.size_x,
                 &#x27;data-sizey&#x27;: wgd.size_y
             });
-        };
+        }
 
         &#x2F;&#x2F; attach Coord object to player data-coord attribute
         $el.data(&#x27;coords&#x27;, $el.coords());
@@ -564,7 +564,7 @@
         var abs_offset = {
             left: ui.position.left + this.baseX,
             top: ui.position.top + this.baseY
-        }
+        };
 
         this.colliders_data = this.collision_api.get_closest_colliders(
             abs_offset);
@@ -836,7 +836,7 @@
     * Sorts an Array of grid coords objects (representing the grid coords of
     * each widget) placing first the empty cells upper left.
     *
-    * @method sort_by_row_asc
+    * @method sort_by_row_and_col_asc
     * @param {Array} widgets Array of grid coords objects
     * @return {Array} Returns the array sorted.
     *&#x2F;
@@ -856,7 +856,7 @@
     * Sorts an Array of grid coords objects by column (representing the grid
     * coords of each widget) in ascending way.
     *
-    * @method sort_by_row_asc
+    * @method sort_by_col_asc
     * @param {Array} widgets Array of grid coords objects
     * @return {Array} Returns the array sorted.
     *&#x2F;
@@ -1122,7 +1122,7 @@
         var right_col = (col + phgd.size_x - 1);
         if (right_col &gt; this.cols) {
             col = col - (right_col - col);
-        };
+        }
 
         var moved_down = this.placeholder_grid_data.row &lt; row;
         var changed_column = this.placeholder_grid_data.col !== col;
@@ -2021,19 +2021,19 @@
             $widgets = $widgets.add(
                 this.$widgets.filter(function() {
                     var tcol = $(this).attr(&#x27;data-col&#x27;);
-                    return (tcol == col || tcol &gt; col);
+                    return (tcol === col || tcol &gt; col);
                 })
             );
-        };
+        }
 
         if (row) {
             $widgets = $widgets.add(
                 this.$widgets.filter(function() {
                     var trow = $(this).attr(&#x27;data-row&#x27;);
-                    return (trow == row || trow &gt; row);
+                    return (trow === row || trow &gt; row);
                 })
             );
-        };
+        }
 
         return $widgets;
     }
@@ -2085,7 +2085,7 @@
         &#x2F;&#x2F; don&#x27;t duplicate stylesheets for the same configuration
         if ($.inArray(serialized_opts, Gridster.generated_stylesheets) &gt;= 0) {
             return false;
-        };
+        }
 
         Gridster.generated_stylesheets.push(serialized_opts);