/*
   * jQuery UI Draggable 1.7.1
   *
   * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
   * Dual licensed under the MIT (MIT-LICENSE.txt)
   * and GPL (GPL-LICENSE.txt) licenses.
   *
   * http://docs.jquery.com/UI/Draggables
   *
   * Depends:
   *        ui.core.js
   */
  (function($)\; \{$.widget("ui.draggable", $.extend(\{\},$.ui.mouse, {
  
          _init: function() {
  
                  if (this.options.helper == 'original' && !(/^(?:r|a|f)/).test(this.element.css("position")))
                          this.element[0].style.position = 'relative';
  
                  (this.options.addClasses && this.element.addClass("ui-draggable"));
                  (this.options.disabled && this.element.addClass("ui-draggable-disabled"));
  
                  this._mouseInit();
  
          },
  
          destroy: function() {
                  if(!this.element.data('draggable')) return;
                  this.element
                          .removeData("draggable")
                          .unbind(".draggable")
                          .removeClass("ui-draggable"
                                  + " ui-draggable-dragging"
                                  + " ui-draggable-disabled");
                  this._mouseDestroy();
          },
  
          _mouseCapture: function(event) {
  
                  var o = this.options;
  
                  if (this.helper || o.disabled || $(event.target).is('.ui-resizable-handle'))
                          return false;
  
                  //Quit if we're not on a valid handle
                  this.handle = this._getHandle(event);
                  if (!this.handle)
                          return false;
  
                  return true;
  
          },
  
          _mouseStart: function(event) {
  
                  var o = this.options;
  
                  //Create and append the visible helper
                  this.helper = this._createHelper(event);
  
                  //Cache the helper size
                  this._cacheHelperProportions();
  
                  //If ddmanager is used for droppables, set the global draggable
                  if($.ui.ddmanager)$.ui.ddmanager.current = this;
  
                  /*
  		 * - Position generation -
  		 * This block generates everything position related - it's the core of draggables.
  		 */
  
                  //Cache the margins of the original element
                  this._cacheMargins();
  
                  //Store the helper's css position
                  this.cssPosition = this.helper.css("position");
                  this.scrollParent = this.helper.scrollParent();
  
                  //The element's absolute position on the page minus margins
                  this.offset = this.element.offset();
                  this.offset = {
                          top: this.offset.top - this.margins.top,
                          left: this.offset.left - this.margins.left
                  };
  
                  $.extend(this.offset,\; \{\; click:\; \{\; //Where\; the\; click\; happened,\; relative\; to\; the\; element\; left:\; event.pageX\; -\; this.offset.left,\; top:\; event.pageY\; -\; this.offset.top\; \},\; parent:\; this.\_getParentOffset(),\; relative:\; this.\_getRelativeOffset()\; //This\; is\; a\; relative\; to\; absolute\; position\; minus\; the\; actual\; position\; calculation\; -\; only\; used\; for\; relative\; positioned\; helper\; \});\; //Generate\; the\; original\; position\; this.originalPosition\; =\; this.\_generatePosition(event);\; this.originalPageX\; =\; event.pageX;\; this.originalPageY\; =\; event.pageY;\; //Adjust\; the\; mouse\; offset\; relative\; to\; the\; helper\; if\; \text{'}cursorAt\text{'}\; is\; supplied\; if(o.cursorAt)\; this.\_adjustOffsetFromHelper(o.cursorAt);\; //Set\; a\; containment\; if\; given\; in\; the\; options\; if(o.containment)\; this.\_setContainment();\; //Call\; plugins\; and\; callbacks\; this.\_trigger("start",\; event);\; //Recache\; the\; helper\; size\; this.\_cacheHelperProportions();\; //Prepare\; the\; droppable\; offsets\; if\; ($.ui.ddmanager && !o.dropBehaviour)
                          $.ui.ddmanager.prepareOffsets(this,\; event);\; this.helper.addClass("ui-draggable-dragging");\; this.\_mouseDrag(event,\; true);\; //Execute\; the\; drag\; once\; -\; this\; causes\; the\; helper\; not\; to\; be\; visible\; before\; getting\; its\; correct\; position\; return\; true;\; \},\; \_mouseDrag:\; function(event,\; noPropagation)\; \{\; //Compute\; the\; helpers\; position\; this.position\; =\; this.\_generatePosition(event);\; this.positionAbs\; =\; this.\_convertPositionTo("absolute");\; //Call\; plugins\; and\; callbacks\; and\; use\; the\; resulting\; position\; if\; something\; is\; returned\; if\; (!noPropagation)\; \{\; var\; ui\; =\; this.\_uiHash();\; this.\_trigger(\text{'}drag\text{'},\; event,\; ui);\; this.position\; =\; ui.position;\; \}\; if(!this.options.axis\; ||\; this.options.axis\; !=\; "y")\; this.helper[0].style.left\; =\; this.position.left+\text{'}px\text{'};\; if(!this.options.axis\; ||\; this.options.axis\; !=\; "x")\; this.helper[0].style.top\; =\; this.position.top+\text{'}px\text{'};\; if($.ui.ddmanager) $.ui.ddmanager.drag(this,\; event);\; return\; false;\; \},\; \_mouseStop:\; function(event)\; \{\; //If\; we\; are\; using\; droppables,\; inform\; the\; manager\; about\; the\; drop\; var\; dropped\; =\; false;\; if\; ($.ui.ddmanager && !this.options.dropBehaviour)
                          dropped = .isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {
                          var self = this;
                          $(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() {
                                  self._trigger("stop", event);
                                  self._clear();
                          });
                  } else {
                          this._trigger("stop", event);
                          this._clear();
                  }
  
                  return false;
          },
  
          _getHandle: function(event) {
  
                  var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false;
                  $(this.options.handle, this.element)
                          .find("*")
                          .andSelf()
                          .each(function() {
                                  if(this == event.target) handle = true;
                          });
  
                  return handle;
  
          },
  
          _createHelper: function(event) {
  
                  var o = this.options;
                  var helper = .ui.contains(this.scrollParent[0], this.offsetParent[0])) {
                          po.left += this.scrollParent.scrollLeft();
                          po.top += this.scrollParent.scrollTop();
                  }
  
                  if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information
                  || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie))\; //Ugly\; IE\; fix\; po\; =\; \{\; top:\; 0,\; left:\; 0$};
  
                  return {
                          top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
                          left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
                  };
  
          },
  
          _getRelativeOffset: function() {
  
                  if(this.cssPosition == "relative") {
                          var p = this.element.position();
                          return {
                                  top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
                                  left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
                          };
                  } else {
                          return { top: 0, left: 0 };
                  }
  
          },
  
          _cacheMargins: function() {
                  this.margins = {
                          left: (parseInt(this.element.css("marginLeft"),10) || 0),
                          top: (parseInt(this.element.css("marginTop"),10) || 0)
                  };
          },
  
          _cacheHelperProportions: function() {
                  this.helperProportions = {
                          width: this.helper.outerWidth(),
                          height: this.helper.outerHeight()
                  };
          },
  
          _setContainment: function() {
  
                  var o = this.options;
                  if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
                  if(o.containment == 'document' || o.containment == 'window') this.containment = [
                          0 - this.offset.relative.left - this.offset.parent.left,
                          0 - this.offset.relative.top - this.offset.parent.top,
                          $(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left,
                          ($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
                  ];
  
                  if(!(/^(document|window|parent)/).test(o.containment) && o.containment.constructor != Array) {
                          var ce = $(o.containment)[0]; if(!ce) return;
                          var co = $(o.containment).offset();
                          var over = (ce.css("overflow") != 'hidden');
  
                          this.containment = [
                                  co.left + (parseInt(ce.css("borderLeftWidth"),10) || 0) + (parseInt(ce.css("paddingLeft"),10) || 0) - this.margins.left,
                                  co.top + (parseInt(ce.css("borderTopWidth"),10) || 0) + (parseInt(ce.css("paddingTop"),10) || 0) - this.margins.top,
                                  co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt(ce.css("borderLeftWidth"),10) || 0) - (parseInt(ce.css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left,
                                  co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt(ce.css("borderTopWidth"),10) || 0) - (parseInt(ce.css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top
                          ];
                  } else if(o.containment.constructor == Array) {
                          this.containment = o.containment;
                  }
  
          },
  
          _convertPositionTo: function(d, pos) {
  
                  if(!pos) pos = this.position;
                  var mod = d == "absolute" ? 1 : -1;
                  var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0],\; this.offsetParent[0]))\; ?\; this.offsetParent\; :\; this.scrollParent,\; scrollIsRootNode\; =\; (/(html|body)/i).test(scroll[0].tagName);\; return\; \{\; top:\; (\; pos.top\; //\; The\; absolute\; mouse\; position\; +\; this.offset.relative.top\; *\; mod\; //\; Only\; for\; relative\; positioned\; nodes:\; Relative\; offset\; from\; element\; to\; offset\; parent\; +\; this.offset.parent.top\; *\; mod\; //\; The\; offsetParent\text{'}s\; offset\; without\; borders\; (offset\; +\; border)\; -\; ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
                          ),
                          left: (
                                  pos.left                                                                                                                                // The absolute mouse position
                                  + this.offset.relative.left * mod                                                                                // Only for relative positioned nodes: Relative offset from element to offset parent
                                  + this.offset.parent.left * mod                                                                                        // The offsetParent's offset without borders (offset + border)
                                  - (};
  
          },
  
          _generatePosition: function(event) {
  
                  var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && .ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
  
                  // This is another very weird special case that only happens for relative elements:
                  // 1. If the css position is relative
                  // 2. and the scroll parent is the document or similar to the offset parent
                  // we have to refresh the relative offset during the scroll so there are no jumps
                  if(this.cssPosition == 'relative' && !(this.scrollParent[0] != document && this.scrollParent[0] != this.offsetParent[0])) {
                          this.offset.relative = this._getRelativeOffset();
                  }
  
                  var pageX = event.pageX;
                  var pageY = event.pageY;
  
                  /*
  		 * - Position constraining -
  		 * Constrain the position to a mix of grid, containment.
  		 */
  
                  if(this.originalPosition) { //If we are not dragging yet, we won't check for options
  
                          if(this.containment) {
                                  if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left;
                                  if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top;
                                  if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left;
                                  if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top;
                          }
  
                          if(o.grid) {
                                  var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
                                  pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] || top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
  
                                  var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
                                  pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] || left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
                          }
  
                  }
  
                  return {
                          top: (
                                  pageY                                                                                                                                // The absolute mouse position
                                  - this.offset.click.top                                                                                                        // Click offset (relative to the element)
                                  - this.offset.relative.top                                                                                                // Only for relative positioned nodes: Relative offset from element to offset parent
                                  - this.offset.parent.top                                                                                                // The offsetParent's offset without borders (offset + border)
                                  + (.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
                          )
                  };
  
          },
  
          _clear: function() {
                  this.helper.removeClass("ui-draggable-dragging");
                  if(this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove();
                  //if($.ui.ddmanager)$.ui.ddmanager.current = null;
                  this.helper = null;
                  this.cancelHelperRemoval = false;
          },
  
          // From now on bulk stuff - mainly helpers
  
          _trigger: function(type, event, ui) {
                  ui = ui || this._uiHash();
                  $.ui.plugin.call(this,\; type,\; [event,\; ui]);\; if(type\; ==\; "drag")\; this.positionAbs\; =\; this.\_convertPositionTo("absolute");\; //The\; absolute\; position\; has\; to\; be\; recalculated\; after\; plugins\; return$.widget.prototype._trigger.call(this, type, event, ui);
          },
  
          plugins: {},
  
          _uiHash: function(event) {
                  return {
                          helper: this.helper,
                          position: this.position,
                          absolutePosition: this.positionAbs, //deprecated
                          offset: this.positionAbs
                  };
          }
  
  }));
  
  $.extend($.ui.draggable, {
          version: "1.7.1",
          eventPrefix: "drag",
          defaults: {
                  addClasses: true,
                  appendTo: "parent",
                  axis: false,
                  cancel: ":input,option",
                  connectToSortable: false,
                  containment: false,
                  cursor: "auto",
                  cursorAt: false,
                  delay: 0,
                  distance: 1,
                  grid: false,
                  handle: false,
                  helper: "original",
                  iframeFix: false,
                  opacity: false,
                  refreshPositions: false,
                  revert: false,
                  revertDuration: 500,
                  scope: "default",
                  scroll: true,
                  scrollSensitivity: 20,
                  scrollSpeed: 20,
                  snap: false,
                  snapMode: "both",
                  snapTolerance: 20,
                  stack: false,
                  zIndex: false
          }
  });
  
  $.ui.plugin.add("draggable",\; "connectToSortable",\; \{\; start:\; function(event,\; ui)\; \{\; var\; inst\; =\; this.data("draggable"),\; o\; =\; inst.options,\; uiSortable\; =$.extend({}, ui, { item: inst.element });
                  inst.sortables = [];
                  $(o.connectToSortable).each(function() {
                          var sortable = .extend({}, ui, { item: inst.element });
  
                  $.each(inst.sortables, function() {
                          if(this.instance.isOver) {
  
                                  this.instance.isOver = 0;
  
                                  inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance
                                  this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work)
  
                                  //The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: 'valid/invalid'
                                  if(this.shouldRevert) this.instance.options.revert = true;
  
                                  //Trigger the stop of the sortable
                                  this.instance._mouseStop(event);
  
                                  this.instance.options.helper = this.instance.options._helper;
  
                                  //If the helper has been the original item, restore properties in the sortable
                                  if(inst.options.helper == 'original')
                                          this.instance.currentItem.css({ top: 'auto', left: 'auto' });
  
                          } else {
                                  this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance
                                  this.instance._trigger("deactivate", event, uiSortable);
                          }
  
                  });
  
          },
          drag: function(event, ui) {
  
                  var inst = this.data("draggable"), self = this;
  
                  var checkPos = function(o) {
                          var dyClick = this.offset.click.top, dxClick = this.offset.click.left;
                          var helperTop = this.positionAbs.top, helperLeft = this.positionAbs.left;
                          var itemHeight = o.height, itemWidth = o.width;
                          var itemTop = o.top, itemLeft = o.left;
  
                          return $.ui.isOver(helperTop + dyClick, helperLeft + dxClick, itemTop, itemLeft, itemHeight, itemWidth);
                  };
  
                  $.each(inst.sortables, function(i) {
                          
                          //Copy over some variables to allow calling the sortable's native _intersectsWith
                          this.instance.positionAbs = inst.positionAbs;
                          this.instance.helperProportions = inst.helperProportions;
                          this.instance.offset.click = inst.offset.click;
                          
                          if(this.instance._intersectsWith(this.instance.containerCache)) {
  
                                  //If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once
                                  if(!this.instance.isOver) {
  
                                          this.instance.isOver = 1;
                                          //Now we fake the start of dragging for the sortable instance,
                                          //by cloning the list group item, appending it to the sortable and using it as inst.currentItem
                                          //We can then fire the start event of the sortable with our passed browser event, and our own helper (so it doesn't create a new one)
                                          this.instance.currentItem = self.clone().appendTo(this.instance.element).data("sortable-item", true);
                                          this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it
                                          this.instance.options.helper = function() { return ui.helper[0]; $};
  
                                          event.target = this.instance.currentItem[0];
                                          this.instance._mouseCapture(event, true);
                                          this.instance._mouseStart(event, true, true);
  
                                          //Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes
                                          this.instance.offset.click.top = inst.offset.click.top;
                                          this.instance.offset.click.left = inst.offset.click.left;
                                          this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left;
                                          this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top;
  
                                          inst._trigger("toSortable", event);
                                          inst.dropped = this.instance.element; //draggable revert needs that
                                          //hack so receive/update callbacks work (mostly)
                                          inst.currentItem = inst.element;
                                          this.instance.fromOutside = inst;
  
                                  }
  
                                  //Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable
                                  if(this.instance.currentItem) this.instance._mouseDrag(event);
  
                          } else {
  
                                  //If it doesn't intersect with the sortable, and it intersected before,
                                  //we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval
                                  if(this.instance.isOver) {
  
                                          this.instance.isOver = 0;
                                          this.instance.cancelHelperRemoval = true;
                                          
                                          //Prevent reverting on this forced stop
                                          this.instance.options.revert = false;
                                          
                                          // The out event needs to be triggered independently
                                          this.instance._trigger('out', event, this.instance._uiHash(this.instance));
                                          
                                          this.instance._mouseStop(event, true);
                                          this.instance.options.helper = this.instance.options._helper;
  
                                          //Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size
                                          this.instance.currentItem.remove();
                                          if(this.instance.placeholder) this.instance.placeholder.remove();
  
                                          inst._trigger("fromSortable", event);
                                          inst.dropped = false; //draggable revert needs that
                                  }
  
                          };
  
                  });
  
          }
  });
  
  .ui.plugin.add("draggable", "cursor", {
          start: function(event, ui) {
                  var t = $('body'), o = this.data('draggable').options;
                  if (t.css("cursor")) o._cursor = t.css("cursor");
                  t.css("cursor", o.cursor);
          },
          stop: function(event, ui) {
                  var o = this.data('draggable').options;
                  if (o._cursor) $('body').css("cursor", o._cursor);
          }
  });
  
  $.ui.plugin.add("draggable",\; "iframeFix",\; \{\; start:\; function(event,\; ui)\; \{\; var\; o\; =\; this.data(\text{'}draggable\text{'}).options;\; \$(o.iframeFix\; ===\; true\; ?\; "iframe"\; :\; o.iframeFix).each(function()\; \{\; \$(\text{'}$<div class="ui-draggable-iframeFix" style="background: #fff;"></div>')
                          .css({
                                  width: this.offsetWidth+"px", height: this.offsetHeight+"px",
                                  position: "absolute", opacity: "0.001", zIndex: 1000
                          })
                          .css(this.offset())
                          .appendTo("body");
                  });
          },
          stop: function(event, ui) {
                  $("div.ui-draggable-iframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers
          }
  });
  
  .ui.plugin.add("draggable", "opacity", {
          start: function(event, ui) {
                  var t = $(ui.helper), o = this.data('draggable').options;
                  if(t.css("opacity")) o._opacity = t.css("opacity");
                  t.css('opacity', o.opacity);
          },
          stop: function(event, ui) {
                  var o = this.data('draggable').options;
                  if(o._opacity) $(ui.helper).css('opacity', o._opacity);
          }
  });
  
  .ui.ddmanager && !o.dropBehaviour)
                          $.ui.ddmanager.prepareOffsets(i,\; event);\; \}\; \});$.ui.plugin.add("draggable", "snap", {
          start: function(event, ui) {
  
                  var i = this.data("draggable"), o = i.options;
                  i.snapElements = [];
  
                  $(o.snap.constructor != String ? ( o.snap.items || ':data(draggable)' ) : o.snap).each(function() {
                          var $t\; =\; this;\; var$o = $t.offset();\; if(this\; !=\; i.element[0])\; i.snapElements.push(\{\; item:\; this,\; width:$t.outerWidth(), height: $t.outerHeight(),\; top:$o.top, left: .extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
                                  inst.snapElements[i].snapping = false;
                                  continue;
                          }
  
                          if(o.snapMode != 'inner') {
                                  var ts = Math.abs(t - y2) <= d;
                                  var bs = Math.abs(b - y1) <= d;
                                  var ls = Math.abs(l - x2) <= d;
                                  var rs = Math.abs(r - x1) <= d;
                                  if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top - inst.margins.top;
                                  if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top - inst.margins.top;
                                  if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left - inst.margins.left;
                                  if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left - inst.margins.left;
                          }
  
                          var first = (ts || bs || ls || rs);
  
                          if(o.snapMode != 'outer') {
                                  var ts = Math.abs(t - y1) <= d;
                                  var bs = Math.abs(b - y2) <= d;
                                  var ls = Math.abs(l - x1) <= d;
                                  var rs = Math.abs(r - x2) <= d;
                                  if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top - inst.margins.top;
                                  if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top - inst.margins.top;
                                  if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left - inst.margins.left;
                                  if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left - inst.margins.left;
                          }
  
                          if(!inst.snapElements[i].snapping && (ts || bs || ls || rs || first))
                                  (inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst.\_uiHash(),\; \{\; snapItem:\; inst.snapElements[i].item\; \})));\; inst.snapElements[i].snapping\; =\; (ts\; ||\; bs\; ||\; ls\; ||\; rs\; ||\; first);$};
  
          }
  });
  
  .ui.plugin.add("draggable", "stack", {
          start: function(event, ui) {
  
                  var o = this.data("draggable").options;
  
                  var group = $.makeArray(\$(o.stack.group)).sort(function(a,b)\; \{\; return\; (parseInt(a.css("zIndex"),10)\; ||\; o.stack.min)\; -\; (parseInt(b.css("zIndex"),10)\; ||\; o.stack.min);\; \});\; group.each(function(i)\; \{\; this.style.zIndex\; =\; o.stack.min\; +\; i;\; \});\; this[0].style.zIndex\; =\; o.stack.min\; +\; group.length;\; \}\; \});$.ui.plugin.add("draggable", "zIndex", {
          start: function(event, ui) {
                  var t = $(ui.helper), o = this.data("draggable").options;
                  if(t.css("zIndex")) o._zIndex = t.css("zIndex");
                  t.css('zIndex', o.zIndex);
          },
          stop: function(event, ui) {
                  var o = this.data("draggable").options;
                  if(o._zIndex) $(ui.helper).css('zIndex', o._zIndex);
          }
  });
  
  })(jQuery);