text: /*
   * jQuery UI Selectable 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/Selectables
   *
   * Depends:
   *	ui.core.js
   */
  (function($) {
  
  $.widget("ui.selectable", $.extend({}, $.ui.mouse, {
  
  	_init: function() {
  		var self = this;
  
  		this.element.addClass("ui-selectable");
  
  		this.dragged = false;
  
  		// cache selectee children based on filter
  		var selectees;
  		this.refresh = function() {
  			selectees = $(self.options.filter, self.element[0]);
  			selectees.each(function() {
  				var $this = $(this);
  				var pos = $this.offset();
  				$.data(this, "selectable-item", {
  					element: this,
  					$element: $this,
  					left: pos.left,
  					top: pos.top,
  					right: pos.left + $this.outerWidth(),
  					bottom: pos.top + $this.outerHeight(),
  					startselected: false,
  					selected: $this.hasClass('ui-selected'),
  					selecting: $this.hasClass('ui-selecting'),
  					unselecting: $this.hasClass('ui-unselecting')
  				});
  			});
  		};
  		this.refresh();
  
  		this.selectees = selectees.addClass("ui-selectee");
  
  		this._mouseInit();
  
  		this.helper = $(document.createElement('div'))
  			.css({border:'1px dotted black'})
  			.addClass("ui-selectable-helper");
  	},
  
  	destroy: function() {
  		this.element
  			.removeClass("ui-selectable ui-selectable-disabled")
  			.removeData("selectable")
  			.unbind(".selectable");
  		this._mouseDestroy();
  	},
  
  	_mouseStart: function(event) {
  		var self = this;
  
  		this.opos = [event.pageX, event.pageY];
  
  		if (this.options.disabled)
  			return;
  
  		var options = this.options;
  
  		this.selectees = $(options.filter, this.element[0]);
  
  		this._trigger("start", event);
  
  		$(options.appendTo).append(this.helper);
  		// position helper (lasso)
  		this.helper.css({
  			"z-index": 100,
  			"position": "absolute",
  			"left": event.clientX,
  			"top": event.clientY,
  			"width": 0,
  			"height": 0
  		});
  
  		if (options.autoRefresh) {
  			this.refresh();
  		}
  
  		this.selectees.filter('.ui-selected').each(function() {
  			var selectee = $.data(this, "selectable-item");
  			selectee.startselected = true;
  			if (!event.metaKey) {
  				selectee.$element.removeClass('ui-selected');
  				selectee.selected = false;
  				selectee.$element.addClass('ui-unselecting');
  				selectee.unselecting = true;
  				// selectable UNSELECTING callback
  				self._trigger("unselecting", event, {
  					unselecting: selectee.element
  				});
  			}
  		});
  
  		$(event.target).parents().andSelf().each(function() {
  			var selectee = $.data(this, "selectable-item");
  			if (selectee) {
  				selectee.$element.removeClass("ui-unselecting").addClass('ui-selecting');
  				selectee.unselecting = false;
  				selectee.selecting = true;
  				selectee.selected = true;
  				// selectable SELECTING callback
  				self._trigger("selecting", event, {
  					selecting: selectee.element
  				});
  				return false;
  			}
  		});
  
  	},
  
  	_mouseDrag: function(event) {
  		var self = this;
  		this.dragged = true;
  
  		if (this.options.disabled)
  			return;
  
  		var options = this.options;
  
  		var x1 = this.opos[0], y1 = this.opos[1], x2 = event.pageX, y2 = event.pageY;
  		if (x1 > x2) { var tmp = x2; x2 = x1; x1 = tmp; }
  		if (y1 > y2) { var tmp = y2; y2 = y1; y1 = tmp; }
  		this.helper.css({left: x1, top: y1, width: x2-x1, height: y2-y1});
  
  		this.selectees.each(function() {
  			var selectee = $.data(this, "selectable-item");
  			//prevent helper from being selected if appendTo: selectable
  			if (!selectee || selectee.element == self.element[0])
  				return;
  			var hit = false;
  			if (options.tolerance == 'touch') {
  				hit = ( !(selectee.left > x2 || selectee.right < x1 || selectee.top > y2 || selectee.bottom < y1) );
  			} else if (options.tolerance == 'fit') {
  				hit = (selectee.left > x1 && selectee.right < x2 && selectee.top > y1 && selectee.bottom < y2);
  			}
  
  			if (hit) {
  				// SELECT
  				if (selectee.selected) {
  					selectee.$element.removeClass('ui-selected');
  					selectee.selected = false;
  				}
  				if (selectee.unselecting) {
  					selectee.$element.removeClass('ui-unselecting');
  					selectee.unselecting = false;
  				}
  				if (!selectee.selecting) {
  					selectee.$element.addClass('ui-selecting');
  					selectee.selecting = true;
  					// selectable SELECTING callback
  					self._trigger("selecting", event, {
  						selecting: selectee.element
  					});
  				}
  			} else {
  				// UNSELECT
  				if (selectee.selecting) {
  					if (event.metaKey && selectee.startselected) {
  						selectee.$element.removeClass('ui-selecting');
  						selectee.selecting = false;
  						selectee.$element.addClass('ui-selected');
  						selectee.selected = true;
  					} else {
  						selectee.$element.removeClass('ui-selecting');
  						selectee.selecting = false;
  						if (selectee.startselected) {
  							selectee.$element.addClass('ui-unselecting');
  							selectee.unselecting = true;
  						}
  						// selectable UNSELECTING callback
  						self._trigger("unselecting", event, {
  							unselecting: selectee.element
  						});
  					}
  				}
  				if (selectee.selected) {
  					if (!event.metaKey && !selectee.startselected) {
  						selectee.$element.removeClass('ui-selected');
  						selectee.selected = false;
  
  						selectee.$element.addClass('ui-unselecting');
  						selectee.unselecting = true;
  						// selectable UNSELECTING callback
  						self._trigger("unselecting", event, {
  							unselecting: selectee.element
  						});
  					}
  				}
  			}
  		});
  
  		return false;
  	},
  
  	_mouseStop: function(event) {
  		var self = this;
  
  		this.dragged = false;
  
  		var options = this.options;
  
  		$('.ui-unselecting', this.element[0]).each(function() {
  			var selectee = $.data(this, "selectable-item");
  			selectee.$element.removeClass('ui-unselecting');
  			selectee.unselecting = false;
  			selectee.startselected = false;
  			self._trigger("unselected", event, {
  				unselected: selectee.element
  			});
  		});
  		$('.ui-selecting', this.element[0]).each(function() {
  			var selectee = $.data(this, "selectable-item");
  			selectee.$element.removeClass('ui-selecting').addClass('ui-selected');
  			selectee.selecting = false;
  			selectee.selected = true;
  			selectee.startselected = true;
  			self._trigger("selected", event, {
  				selected: selectee.element
  			});
  		});
  		this._trigger("stop", event);
  
  		this.helper.remove();
  
  		return false;
  	}
  
  }));
  
  $.extend($.ui.selectable, {
  	version: "1.7.1",
  	defaults: {
  		appendTo: 'body',
  		autoRefresh: true,
  		cancel: ":input,option",
  		delay: 0,
  		distance: 0,
  		filter: '*',
  		tolerance: 'touch'
  	}
  });
  
  })(jQuery);
  
  