;
(function($) {
    var _remove = $.fn.remove,
    isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9);
    $.uidrag = {
        version: "1.6rc4",
        plugin: {
            add: function(module, option, set) {
                var proto = $.uidrag[module].prototype;
                for (var i in set) {
                    proto.plugins[i] = proto.plugins[i] || [];
                    proto.plugins[i].push([option, set[i]]);
                }
            },
            call: function(instance, name, args) {
                var set = instance.plugins[name];
                if (!set) {
                    return;
                }
                for (var i = 0; i < set.length; i++) {
                    if (instance.options[set[i][0]]) {
                        set[i][1].apply(instance.element, args);
                    }
                }
            }
        },
        contains: function(a, b) {
            var safari2 = $.browser.safari && $.browser.version < 522;
            if (a.contains && !safari2) {
                return a.contains(b);
            }
            if (a.compareDocumentPosition) return !! (a.compareDocumentPosition(b) & 16);
            while (b = b.parentNode) if (b == a) return true;
            return false;
        },
        cssCache: {},
        css: function(name) {
            if ($.uidrag.cssCache[name]) {
                return $.uidrag.cssCache[name];
            }
            var tmp = $('<div class="ui-gen">').addClass(name).css({
                position: 'absolute',
                top: '-5000px',
                left: '-5000px',
                display: 'block'
            }).appendTo('body');
            $.uidrag.cssCache[name] = !!((!(/auto|default/).test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) || !(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor'))));
            try {
                $('body').get(0).removeChild(tmp.get(0));
            } catch(e) {}
            return $.uidrag.cssCache[name];
        },
        hasScroll: function(el, a) {
            if ($(el).css('overflow') == 'hidden') {
                return false;
            }
            var scroll = (a && a == 'left') ? 'scrollLeft': 'scrollTop',
            has = false;
            if (el[scroll] > 0) {
                return true;
            }
            el[scroll] = 1;
            has = (el[scroll] > 0);
            el[scroll] = 0;
            return has;
        },
        isOverAxis: function(x, reference, size) {
            return (x > reference) && (x < (reference + size));
        },
        isOver: function(y, x, top, left, height, width) {
            return $.uidrag.isOverAxis(y, top, height) && $.uidrag.isOverAxis(x, left, width);
        },
        keyCode: {
            BACKSPACE: 8,
            CAPS_LOCK: 20,
            COMMA: 188,
            CONTROL: 17,
            DELETE: 46,
            DOWN: 40,
            END: 35,
            ENTER: 13,
            ESCAPE: 27,
            HOME: 36,
            INSERT: 45,
            LEFT: 37,
            NUMPAD_ADD: 107,
            NUMPAD_DECIMAL: 110,
            NUMPAD_DIVIDE: 111,
            NUMPAD_ENTER: 108,
            NUMPAD_MULTIPLY: 106,
            NUMPAD_SUBTRACT: 109,
            PAGE_DOWN: 34,
            PAGE_UP: 33,
            PERIOD: 190,
            RIGHT: 39,
            SHIFT: 16,
            SPACE: 32,
            TAB: 9,
            UP: 38
        }
    };
    if (isFF2) {
        var attr = $.attr,
        removeAttr = $.fn.removeAttr,
        ariaNS = "http://www.w3.org/2005/07/aaa",
        ariaState = /^aria-/,
        ariaRole = /^wairole:/;
        $.attr = function(elem, name, value) {
            var set = value !== undefined;
            return (name == 'role' ? (set ? attr.call(this, elem, name, "wairole:" + value) : (attr.apply(this, arguments) || "").replace(ariaRole, "")) : (ariaState.test(name) ? (set ? elem.setAttributeNS(ariaNS, name.replace(ariaState, "aaa:"), value) : attr.call(this, elem, name.replace(ariaState, "aaa:"))) : attr.apply(this, arguments)));
        };
        $.fn.removeAttr = function(name) {
            return (ariaState.test(name) ? this.each(function() {
                this.removeAttributeNS(ariaNS, name.replace(ariaState, ""));
            }) : removeAttr.call(this, name));
        };
    }
    $.fn.extend({
        remove: function() {
            $("*", this).add(this).each(function() {
                $(this).triggerHandler("remove");
            });
            return _remove.apply(this, arguments);
        },
        enableSelection: function() {
            return this.attr('unselectable', 'off').css('MozUserSelect', '').unbind('selectstart.ui');
        },
        disableSelection: function() {
            return this.attr('unselectable', 'on').css('MozUserSelect', 'none').bind('selectstart.ui',
            function() {
                return false;
            });
        },
        scrollParent: function() {
            var scrollParent;
            if (($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
                scrollParent = this.parents().filter(function() {
                    return (/(relative|absolute|fixed)/).test($.curCSS(this, 'position', 1)) && (/(auto|scroll)/).test($.curCSS(this, 'overflow', 1) + $.curCSS(this, 'overflow-y', 1) + $.curCSS(this, 'overflow-x', 1));
                }).eq(0);
            } else {
                scrollParent = this.parents().filter(function() {
                    return (/(auto|scroll)/).test($.curCSS(this, 'overflow', 1) + $.curCSS(this, 'overflow-y', 1) + $.curCSS(this, 'overflow-x', 1));
                }).eq(0);
            }
            return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
        }
    });
    $.extend($.expr[':'], {
        data: function(a, i, m) {
            return !! $.data(a, m[3]);
        },
        tabbable: function(a, i, m) {
            var nodeName = a.nodeName.toLowerCase();
            function isVisible(element) {
                return ! ($(element).is(':hidden') || $(element).parents(':hidden').length);
            }
            return (a.tabIndex >= 0 && (('a' == nodeName && a.href) || (/input|select|textarea|button/.test(nodeName) && 'hidden' != a.type && !a.disabled)) && isVisible(a));
        }
    });
    function getter(namespace, plugin, method, args) {
        function getMethods(type) {
            var methods = $[namespace][plugin][type] || [];
            return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods);
        }
        var methods = getMethods('getter');
        if (args.length == 1 && typeof args[0] == 'string') {
            methods = methods.concat(getMethods('getterSetter'));
        }
        return ($.inArray(method, methods) != -1);
    }
    $.widgetdrag = function(name, prototype) {
        var namespace = name.split(".")[0];
        name = name.split(".")[1];
        $.fn[name] = function(options) {
            var isMethodCall = (typeof options == 'string'),
            args = Array.prototype.slice.call(arguments, 1);
            if (isMethodCall && options.substring(0, 1) == '_') {
                return this;
            }
            if (isMethodCall && getter(namespace, name, options, args)) {
                var instance = $.data(this[0], name);
                return (instance ? instance[options].apply(instance, args) : undefined);
            }
            return this.each(function() {
                var instance = $.data(this, name);
                (!instance && !isMethodCall && $.data(this, name, new $[namespace][name](this, options)));
                (instance && isMethodCall && $.isFunction(instance[options]) && instance[options].apply(instance, args));
            });
        };
        $[namespace] = $[namespace] || {};
        $[namespace][name] = function(element, options) {
            var self = this;
            this.namespace = namespace;
            this.widgetName = name;
            this.widgetEventPrefix = $[namespace][name].eventPrefix || name;
            this.widgetBaseClass = namespace + '-' + name;
            this.options = $.extend({},
            $.widgetdrag.defaults, $[namespace][name].defaults, $.metadata && $.metadata.get(element)[name], options);
            this.element = $(element).bind('setData.' + name,
            function(event, key, value) {
                if (event.target == element) {
                    return self._setData(key, value);
                }
            }).bind('getData.' + name,
            function(event, key) {
                if (event.target == element) {
                    return self._getData(key);
                }
            }).bind('remove',
            function() {
                return self.destroy();
            });
            this._init();
        };
        $[namespace][name].prototype = $.extend({},
        $.widgetdrag.prototype, prototype);
        $[namespace][name].getterSetter = 'option';
    };
    $.widgetdrag.prototype = {
        _init: function() {},
        destroy: function() {
            this.element.removeData(this.widgetName).removeClass(this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled').removeAttr('aria-disabled');
        },
        option: function(key, value) {
            var options = key,
            self = this;
            if (typeof key == "string") {
                if (value === undefined) {
                    return this._getData(key);
                }
                options = {};
                options[key] = value;
            }
            $.each(options,
            function(key, value) {
                self._setData(key, value);
            });
        },
        _getData: function(key) {
            return this.options[key];
        },
        _setData: function(key, value) {
            this.options[key] = value;
            if (key == 'disabled') {
                this.element[value ? 'addClass': 'removeClass'](this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled').attr("aria-disabled", value);
            }
        },
        enable: function() {
            this._setData('disabled', false);
        },
        disable: function() {
            this._setData('disabled', true);
        },
        _trigger: function(type, event, data) {
            var eventName = (type == this.widgetEventPrefix ? type: this.widgetEventPrefix + type);
            event = event || $.event.fix({
                type: eventName,
                target: this.element[0]
            });
            return this.element.triggerHandler(eventName, [event, data], this.options[type]);
        }
    };
    $.widgetdrag.defaults = {
        disabled: false
    };
    $.uidrag.mouse = {
        _mouseInit: function() {
            var self = this;
            this.element.bind('mousedown.' + this.widgetName,
            function(event) {
                return self._mouseDown(event);
            }).bind('click.' + this.widgetName,
            function(event) {
                if (self._preventClickEvent) {
                    self._preventClickEvent = false;
                    return false;
                }
            });
            if ($.browser.msie) {
                this._mouseUnselectable = this.element.attr('unselectable');
                this.element.attr('unselectable', 'on');
            }
            this.started = false;
        },
        _mouseDestroy: function() {
            this.element.unbind('.' + this.widgetName);
            ($.browser.msie && this.element.attr('unselectable', this._mouseUnselectable));
        },
        _mouseDown: function(event) { (this._mouseStarted && this._mouseUp(event));
        	//if mouseDown select tag . window should not drag.
        	if($(event.target).is('select')){
        		return;
        	}
            this._mouseDownEvent = event;
            var self = this,
            btnIsLeft = (event.which == 1),
            elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length: false);
            if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
                return true;
            }
            this.mouseDelayMet = !this.options.delay;
            if (!this.mouseDelayMet) {
                this._mouseDelayTimer = setTimeout(function() {
                    self.mouseDelayMet = true;
                },
                this.options.delay);
            }
            if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
                this._mouseStarted = (this._mouseStart(event) !== false);
                if (!this._mouseStarted) {
                    event.preventDefault();
                    return true;
                }
            }
            this._mouseMoveDelegate = function(event) {
                return self._mouseMove(event);
            };
            this._mouseUpDelegate = function(event) {
                return self._mouseUp(event);
            };
            $(document).bind('mousemove.' + this.widgetName, this._mouseMoveDelegate).bind('mouseup.' + this.widgetName, this._mouseUpDelegate);
            if (!$.browser.safari) event.preventDefault();
            return true;
        },
        _mouseMove: function(event) {
            if ($.browser.msie && !event.button) {
                return this._mouseUp(event);
            }
            if (this._mouseStarted) {
                this._mouseDrag(event);
                return event.preventDefault();
            }
            if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
                this._mouseStarted = (this._mouseStart(this._mouseDownEvent, event) !== false);
                (this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
            }
            return ! this._mouseStarted;
        },
        _mouseUp: function(event) {
            $(document).unbind('mousemove.' + this.widgetName, this._mouseMoveDelegate).unbind('mouseup.' + this.widgetName, this._mouseUpDelegate);
            if (this._mouseStarted) {
                this._mouseStarted = false;
                this._preventClickEvent = true;
                this._mouseStop(event);
            }
            return false;
        },
        _mouseDistanceMet: function(event) {
            return (Math.max(Math.abs(this._mouseDownEvent.pageX - event.pageX), Math.abs(this._mouseDownEvent.pageY - event.pageY)) >= this.options.distance);
        },
        _mouseDelayMet: function(event) {
            return this.mouseDelayMet;
        },
        _mouseStart: function(event) {},
        _mouseDrag: function(event) {},
        _mouseStop: function(event) {},
        _mouseCapture: function(event) {
            return true;
        }
    };
    $.uidrag.mouse.defaults = {
        cancel: null,
        distance: 1,
        delay: 0
    };
})(jQuery);
(function($) {
    $.widgetdrag("uidrag.draggable", $.extend({},
    $.uidrag.mouse, {
        _init: function() {
            if (this.options.helper == 'original' && !(/^(?:r|a|f)/).test(this.element.css("position"))) this.element[0].style.position = 'relative';
            (this.options.cssNamespace && this.element.addClass(this.options.cssNamespace + "-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 || $(event.target).is('.ui-resizable-handle')) return false;
            this.handle = this._getHandle(event);
            if (!this.handle) return false;
            return true;
        },
        _mouseStart: function(event) {
            var o = this.options;
            this.helper = this._createHelper(event);
            this._cacheHelperProportions();
            if ($.uidrag.ddmanager) $.uidrag.ddmanager.current = this;
            this._cacheMargins();
            this.cssPosition = this.helper.css("position");
            this.scrollParent = this.helper.scrollParent();
            this.offset = this.element.offset();
            this.offset = {
                top: this.offset.top - this.margins.top,
                left: this.offset.left - this.margins.left
            };
            $.extend(this.offset, {
                click: {
                    left: event.pageX - this.offset.left,
                    top: event.pageY - this.offset.top
                },
                parent: this._getParentOffset(),
                relative: this._getRelativeOffset()
            });
            if (o.cursorAt) this._adjustOffsetFromHelper(o.cursorAt);
            this.originalPosition = this._generatePosition(event);
            if (o.containment) this._setContainment();
            this._propagate("start", event);
            this._cacheHelperProportions();
            if ($.uidrag.ddmanager && !o.dropBehaviour) $.uidrag.ddmanager.prepareOffsets(this, event);
            this.helper.addClass("ui-draggable-dragging");
            this._mouseDrag(event, true);
            return true;
        },
        _mouseDrag: function(event, noPropagation) {
            this.position = this._generatePosition(event);
            this.positionAbs = this._convertPositionTo("absolute");
            if (!noPropagation) this.position = this._propagate("drag", event) || this.position;
            if (!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left + 'px';
            if (!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top + 'px';
            if ($.uidrag.ddmanager) $.uidrag.ddmanager.drag(this, event);
            return false;
        },
        _mouseStop: function(event) {
            var dropped = false;
            if ($.uidrag.ddmanager && !this.options.dropBehaviour) var dropped = $.uidrag.ddmanager.drop(this, event);
            if ((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {
                var self = this;
                $(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10),
                function() {
                    self._propagate("stop", event);
                    self._clear();
                });
            } else {
                this._propagate("stop", event);
                this._clear();
            }
            return false;
        },
        _getHandle: function(event) {
            var handle = !this.options.handle || !$(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 = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event])) : (o.helper == 'clone' ? this.element.clone() : this.element);
            if (!helper.parents('body').length) helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode: o.appendTo));
            if (helper[0] != this.element[0] && !(/(fixed|absolute)/).test(helper.css("position"))) helper.css("position", "absolute");
            return helper;
        },
        _adjustOffsetFromHelper: function(obj) {
            if (obj.left != undefined) this.offset.click.left = obj.left + this.margins.left;
            if (obj.right != undefined) this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
            if (obj.top != undefined) this.offset.click.top = obj.top + this.margins.top;
            if (obj.bottom != undefined) this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
        },
        _getParentOffset: function() {
            this.offsetParent = this.helper.offsetParent();
            var po = this.offsetParent.offset();
            if ((this.offsetParent[0] == document.body && $.browser.mozilla) || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) 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, $(o.containment == 'document' ? document: window).width() - this.offset.relative.left - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.element.css("marginRight"), 10) || 0), ($(o.containment == 'document' ? document: window).height() || document.body.parentNode.scrollHeight) - this.offset.relative.top - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.element.css("marginBottom"), 10) || 0)];
            if (! (/^(document|window|parent)$/).test(o.containment)) {
                var ce = $(o.containment)[0];
                var co = $(o.containment).offset();
                var over = ($(ce).css("overflow") != 'hidden');
                this.containment = [co.left + (parseInt($(ce).css("borderLeftWidth"), 10) || 0) - this.offset.relative.left - this.offset.parent.left - this.margins.left, co.top + (parseInt($(ce).css("borderTopWidth"), 10) || 0) - this.offset.relative.top - this.offset.parent.top - this.margins.top, co.left + (over ? Math.max(ce.scrollWidth, ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"), 10) || 0) - this.offset.relative.left - this.offset.parent.left - this.helperProportions.width - this.margins.left, co.top + (over ? Math.max(ce.scrollHeight, ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"), 10) || 0) - this.offset.relative.top - this.offset.parent.top - this.helperProportions.height - this.margins.top];
            }
        },
        _convertPositionTo: function(d, pos) {
            if (!pos) pos = this.position;
            var mod = d == "absolute" ? 1 : -1;
            var scroll = this[(this.cssPosition == 'absolute' ? 'offset': 'scroll') + 'Parent'],
            scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
            return {
                top: (pos.top + this.offset.relative.top * mod + this.offset.parent.top * mod + (this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : (scrollIsRootNode ? 0 : scroll.scrollTop())) * mod + this.margins.top * mod),
                left: (pos.left + this.offset.relative.left * mod + this.offset.parent.left * mod + (this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : (scrollIsRootNode ? 0 : scroll.scrollLeft())) * mod + this.margins.left * mod)
            };
        },
        _generatePosition: function(event) {
            var o = this.options,
            scroll = this[(this.cssPosition == 'absolute' ? 'offset': 'scroll') + 'Parent'],
            scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
            var position = {
                top: (event.pageY - this.offset.click.top - this.offset.relative.top - this.offset.parent.top + (this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : (scrollIsRootNode ? 0 : scroll.scrollTop()))),
                left: (event.pageX - this.offset.click.left - this.offset.relative.left - this.offset.parent.left + (this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft()))
            };
            if (!this.originalPosition) return position;
            if (this.containment) {
                if (position.left < this.containment[0]) position.left = this.containment[0];
                if (position.top < this.containment[1]) position.top = this.containment[1];
                if (position.left > this.containment[2]) position.left = this.containment[2];
                if (position.top > this.containment[3]) position.top = this.containment[3];
            }
            if (o.grid) {
                var top = this.originalPosition.top + Math.round((position.top - this.originalPosition.top) / o.grid[1]) * o.grid[1];
                position.top = this.containment ? (!(top < this.containment[1] || top > this.containment[3]) ? top: (!(top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
                var left = this.originalPosition.left + Math.round((position.left - this.originalPosition.left) / o.grid[0]) * o.grid[0];
                position.left = this.containment ? (!(left < this.containment[0] || left > this.containment[2]) ? left: (!(left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
            }
            return position;
        },
        _clear: function() {
            this.helper.removeClass("ui-draggable-dragging");
            if (this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove();
            this.helper = null;
            this.cancelHelperRemoval = false;
        },
        _propagate: function(n, event) {
            $.uidrag.plugin.call(this, n, [event, this._uiHash()]);
            if (n == "drag") this.positionAbs = this._convertPositionTo("absolute");
            return this.element.triggerHandler(n == "drag" ? n: "drag" + n, [event, this._uiHash()], this.options[n]);
        },
        plugins: {},
        _uiHash: function(event) {
            return {
            	
                helper: this.helper,
                position: this.position,
                absolutePosition: this.positionAbs,
                options: this.options
            };
        }
    }));
    $.extend($.uidrag.draggable, {
        version: "1.6rc4",
        defaults: {
            appendTo: "parent",
            axis: false,
            cancel: ":input",
            connectToSortable: false,
            containment: false,
            cssNamespace: "ui",
            cursor: "default",
            cursorAt: null,
            delay: 0,
            distance: 1,
            grid: false,
            handle: false,
            helper: "original",
            iframeFix: false,
            opacity: 1,
            refreshPositions: false,
            revert: false,
            revertDuration: 500,
            scope: "default",
            scroll: true,
            scrollSensitivity: 20,
            scrollSpeed: 20,
            snap: false,
            snapMode: "both",
            snapTolerance: 20,
            stack: false,
            zIndex: null
        }
    });
    $.uidrag.plugin.add("draggable", "connectToSortable", {
        start: function(event, uidrag) {
            var inst = $(this).data("draggable");
            inst.sortables = [];
            $(uidrag.options.connectToSortable).each(function() {
                $(this + '').each(function() {
                    if ($.data(this, 'sortable')) {
                        var sortable = $.data(this, 'sortable');
                        inst.sortables.push({
                            instance: sortable,
                            shouldRevert: sortable.options.revert
                        });
                        sortable._refreshItems();
                        sortable._propagate("activate", event, inst);
                    }
                });
            });
        },
        stop: function(event, uidrag) {
            var inst = $(this).data("draggable");
            $.each(inst.sortables,
            function() {
                if (this.instance.isOver) {
                    this.instance.isOver = 0;
                    inst.cancelHelperRemoval = true;
                    this.instance.cancelHelperRemoval = false;
                    if (this.shouldRevert) this.instance.options.revert = true;
                    this.instance._mouseStop(event);
                    this.instance.element.triggerHandler("sortreceive", [event, $.extend(this.instance._ui(), {
                        sender: inst.element
                    })], this.instance.options["receive"]);
                    this.instance.options.helper = this.instance.options._helper;
                    if (inst.options.helper == 'original') {
                        this.instance.currentItem.css({
                            top: 'auto',
                            left: 'auto'
                        });
                    }
                } else {
                    this.instance.cancelHelperRemoval = false;
                    this.instance._propagate("deactivate", event, inst);
                }
            });
        },
        drag: function(event, uidrag) {
            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 $.uidrag.isOver(helperTop + dyClick, helperLeft + dxClick, itemTop, itemLeft, itemHeight, itemWidth);
            };
            $.each(inst.sortables,
            function(i) {
                if (checkPos.call(inst, this.instance.containerCache)) {
                    if (!this.instance.isOver) {
                        this.instance.isOver = 1;
                        this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true);
                        this.instance.options._helper = this.instance.options.helper;
                        this.instance.options.helper = function() {
                            return uidrag.helper[0];
                        };
                        event.target = this.instance.currentItem[0];
                        this.instance._mouseCapture(event, true);
                        this.instance._mouseStart(event, true, true);
                        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._propagate("toSortable", event);
                    }
                    if (this.instance.currentItem) this.instance._mouseDrag(event);
                } else {
                    if (this.instance.isOver) {
                        this.instance.isOver = 0;
                        this.instance.cancelHelperRemoval = true;
                        this.instance.options.revert = false;
                        this.instance._mouseStop(event, true);
                        this.instance.options.helper = this.instance.options._helper;
                        this.instance.currentItem.remove();
                        if (this.instance.placeholder) this.instance.placeholder.remove();
                        inst._propagate("fromSortable", event);
                    }
                };
            });
        }
    });
    $.uidrag.plugin.add("draggable", "cursor", {
        start: function(event, uidrag) {
            var t = $('body');
            if (t.css("cursor")) uidrag.options._cursor = t.css("cursor");
            t.css("cursor", uidrag.options.cursor);
        },
        stop: function(event, uidrag) {
            if (uidrag.options._cursor) $('body').css("cursor", uidrag.options._cursor);
        }
    });
    $.uidrag.plugin.add("draggable", "iframeFix", {
        start: function(event, uidrag) {
            $(uidrag.options.iframeFix === true ? "iframe": uidrag.options.iframeFix).each(function() {
                $('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>').css({
                    width: this.offsetWidth + "px",
                    height: this.offsetHeight + "px",
                    position: "absolute",
                    opacity: "0.001",
                    zIndex: 1000
                }).css($(this).offset()).appendTo("body");
            });
        },
        stop: function(event, uidrag) {
            $("div.ui-draggable-iframeFix").each(function() {
                this.parentNode.removeChild(this);
            });
        }
    });
    $.uidrag.plugin.add("draggable", "opacity", {
        start: function(event, uidrag) {
            var t = $(uidrag.helper);
            if (t.css("opacity")) uidrag.options._opacity = t.css("opacity");
            t.css('opacity', uidrag.options.opacity);
        },
        stop: function(event, uidrag) {
            if (uidrag.options._opacity) $(uidrag.helper).css('opacity', uidrag.options._opacity);
        }
    });
    $.uidrag.plugin.add("draggable", "scroll", {
        start: function(event, uidrag) {
            var o = uidrag.options;
            var i = $(this).data("draggable");
            if (i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') i.overflowOffset = i.scrollParent.offset();
        },
        drag: function(event, uidrag) {
            var o = uidrag.options,
            scrolled = false;
            var i = $(this).data("draggable");
            if (i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') {
                if ((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed;
                else if (event.pageY - i.overflowOffset.top < o.scrollSensitivity) i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop - o.scrollSpeed;
                if ((i.overflowOffset.left + i.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft + o.scrollSpeed;
                else if (event.pageX - i.overflowOffset.left < o.scrollSensitivity) i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft - o.scrollSpeed;
            } else {
                if (event.pageY - $(document).scrollTop() < o.scrollSensitivity) scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
                else if ($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
                if (event.pageX - $(document).scrollLeft() < o.scrollSensitivity) scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
                else if ($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
            }
            if (scrolled !== false && $.uidrag.ddmanager && !o.dropBehaviour) $.uidrag.ddmanager.prepareOffsets(i, event);
            if (scrolled !== false && i.cssPosition == 'absolute' && i.scrollParent[0] != document && $.uidrag.contains(i.scrollParent[0], i.offsetParent[0])) {
                i.offset.parent = i._getParentOffset();
            }
            if (scrolled !== false && i.cssPosition == 'relative' && !(i.scrollParent[0] != document && i.scrollParent[0] != i.offsetParent[0])) {
                i.offset.relative = i._getRelativeOffset();
            }
        }
    });
    $.uidrag.plugin.add("draggable", "snap", {
        start: function(event, uidrag) {
            var inst = $(this).data("draggable");
            inst.snapElements = [];
            $(uidrag.options.snap.constructor != String ? (uidrag.options.snap.items || ':data(draggable)') : uidrag.options.snap).each(function() {
                var $t = $(this);
                var $o = $t.offset();
                if (this != inst.element[0]) inst.snapElements.push({
                    item: this,
                    width: $t.outerWidth(),
                    height: $t.outerHeight(),
                    top: $o.top,
                    left: $o.left
                });
            });
        },
        drag: function(event, uidrag) {
            var inst = $(this).data("draggable");
            var d = uidrag.options.snapTolerance;
            var x1 = uidrag.absolutePosition.left,
            x2 = x1 + inst.helperProportions.width,
            y1 = uidrag.absolutePosition.top,
            y2 = y1 + inst.helperProportions.height;
            for (var i = inst.snapElements.length - 1; i >= 0; i--) {
                var l = inst.snapElements[i].left,
                r = l + inst.snapElements[i].width,
                t = inst.snapElements[i].top,
                b = t + inst.snapElements[i].height;
                if (! ((l - d < x1 && x1 < r + d && t - d < y1 && y1 < b + d) || (l - d < x1 && x1 < r + d && t - d < y2 && y2 < b + d) || (l - d < x2 && x2 < r + d && t - d < y1 && y1 < b + d) || (l - d < x2 && x2 < r + d && t - d < y2 && y2 < b + d))) {
                    if (inst.snapElements[i].snapping)(inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), {
                        snapItem: inst.snapElements[i].item
                    })));
                    inst.snapElements[i].snapping = false;
                    continue;
                }
                if (uidrag.options.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) uidrag.position.top = inst._convertPositionTo("relative", {
                        top: t - inst.helperProportions.height,
                        left: 0
                    }).top;
                    if (bs) uidrag.position.top = inst._convertPositionTo("relative", {
                        top: b,
                        left: 0
                    }).top;
                    if (ls) uidrag.position.left = inst._convertPositionTo("relative", {
                        top: 0,
                        left: l - inst.helperProportions.width
                    }).left;
                    if (rs) uidrag.position.left = inst._convertPositionTo("relative", {
                        top: 0,
                        left: r
                    }).left;
                }
                var first = (ts || bs || ls || rs);
                if (uidrag.options.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) uidrag.position.top = inst._convertPositionTo("relative", {
                        top: t,
                        left: 0
                    }).top;
                    if (bs) uidrag.position.top = inst._convertPositionTo("relative", {
                        top: b - inst.helperProportions.height,
                        left: 0
                    }).top;
                    if (ls) uidrag.position.left = inst._convertPositionTo("relative", {
                        top: 0,
                        left: l
                    }).left;
                    if (rs) uidrag.position.left = inst._convertPositionTo("relative", {
                        top: 0,
                        left: r - inst.helperProportions.width
                    }).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);
            };
        }
    });
    $.uidrag.plugin.add("draggable", "stack", {
        start: function(event, uidrag) {
            var group = $.makeArray($(uidrag.options.stack.group)).sort(function(a, b) {
                return (parseInt($(a).css("zIndex"), 10) || uidrag.options.stack.min) - (parseInt($(b).css("zIndex"), 10) || uidrag.options.stack.min);
            });
            $(group).each(function(i) {
                this.style.zIndex = uidrag.options.stack.min + i;
            });
            this[0].style.zIndex = uidrag.options.stack.min + group.length;
        }
    });
    $.uidrag.plugin.add("draggable", "zIndex", {
        start: function(event, uidrag) {
            var t = $(uidrag.helper);
            if (t.css("zIndex")) uidrag.options._zIndex = t.css("zIndex");
            t.css('zIndex', uidrag.options.zIndex);
        },
        stop: function(event, uidrag) {
            if (uidrag.options._zIndex) $(uidrag.helper).css('zIndex', uidrag.options._zIndex);
        }
    });
})(jQuery);